A UNIFORM ASTEROSEISMIC ANALYSIS OF 22 SOLAR-TYPE STARS OBSERVED BY KEPLER
Identifieur interne : 001458 ( PascalFrancis/Corpus ); précédent : 001457; suivant : 001459A UNIFORM ASTEROSEISMIC ANALYSIS OF 22 SOLAR-TYPE STARS OBSERVED BY KEPLER
Auteurs : S. Mathur ; T. S. Metcalfe ; M. Woitaszek ; H. Bruntt ; G. A. Verner ; J. Christensen-Dalsgaard ; O. L. Creevey ; G. Dogan ; S. Basu ; C. Karoff ; D. Stello ; T. Appourchaux ; T. L. Campante ; W. J. Chaplin ; R. A. Garcia ; T. R. Bedding ; O. Benomar ; A. Bonanno ; S. Deheuvels ; Y. Elsworth ; P. Gaulme ; J. A. Guzik ; R. Handberg ; S. Hekker ; W. Herzberg ; M. J. P. F. G. Monteiro ; L. Piau ; P.-O. Quirion ; C. Regulo ; M. Roth ; D. Salabert ; A. Serenelli ; M. J. Thompson ; R. Trampedach ; T. R. White ; J. Ballot ; I. M. Brandao ; J. Molenda-Zakowicz ; H. Kjeldsen ; J. D. Twicken ; K. Uddin ; B. WohlerSource :
- The Astrophysical journal [ 0004-637X ] ; 2012.
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Abstract
Asteroseismology with the Kepler space telescope is providing not only an improved characterization of exoplanets and their host stars, but also a new window on stellar structure and evolution for the large sample of solar-type stars in the field. We perform a uniform analysis of 22 of the brightest asteroseismic targets with the highest signal-to-noise ratio observed for 1 month each during the first year of the mission, and we quantify the precision and relative accuracy of asteroseismic determinations of the stellar radius, mass, and age that are possible using various methods. We present the properties of each star in the sample derived from an automated analysis of the individual oscillation frequencies and other observational constraints using the Asteroseismic Modeling Portal (AMP), and we compare them to the results of model-grid-based methods that fit the global oscillation properties. We find that fitting the individual frequencies typically yields asteroseismic radii and masses to ∼1% precision, and ages to ∼2.5% precision (respectively, 2, 5, and 8 times better than fitting the global oscillation properties). The absolute level of agreement between the results from different approaches is also encouraging, with model-grid-based methods yielding slightly smaller estimates of the radius and mass and slightly older values for the stellar age relative to AMP, which computes a large number of dedicated models for each star. The sample of targets for which this type of analysis is possible will grow as longer data sets are obtained during the remainder of the mission.
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Format Inist (serveur)
| NO : | PASCAL 12-0186779 INIST |
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| ET : | A UNIFORM ASTEROSEISMIC ANALYSIS OF 22 SOLAR-TYPE STARS OBSERVED BY KEPLER |
| AU : | MATHUR (S.); METCALFE (T. S.); WOITASZEK (M.); BRUNTT (H.); VERNER (G. A.); CHRISTENSEN-DALSGAARD (J.); CREEVEY (O. L.); DOGAN (G.); BASU (S.); KAROFF (C.); STELLO (D.); APPOURCHAUX (T.); CAMPANTE (T. L.); CHAPLIN (W. J.); GARCIA (R. A.); BEDDING (T. R.); BENOMAR (O.); BONANNO (A.); DEHEUVELS (S.); ELSWORTH (Y.); GAULME (P.); GUZIK (J. A.); HANDBERG (R.); HEKKER (S.); HERZBERG (W.); MONTEIRO (M. J. P. F. G.); PIAU (L.); QUIRION (P.-O.); REGULO (C.); ROTH (M.); SALABERT (D.); SERENELLI (A.); THOMPSON (M. J.); TRAMPEDACH (R.); WHITE (T. R.); BALLOT (J.); BRANDAO (I. M.); MOLENDA-ZAKOWICZ (J.); KJELDSEN (H.); TWICKEN (J. D.); UDDIN (K.); WOHLER (B.) |
| AF : | High Altitude Observatory, NCAR. P.O. Box 3000/Boulder, CO 80307/Etats-Unis (1 aut., 2 aut., 6 aut., 8 aut., 33 aut.); Computational & Information Systems Laboratory, NCAR. P.O. Box 3000/Boulder, CO 80307/Etats-Unis (2 aut., 3 aut.); Department of Physics and Astronomy, Aarhus University/8000 Aarhus C/Danemark (4 aut., 6 aut., 8 aut., 10 aut., 13 aut., 23 aut., 39 aut.); LESIA, UMR8109, Université Pierre et Marie Curie, Université Denis Diderot, Obs. de Paris/92195 Meudon/France (4 aut.); School of Physics and Astronomy. University of Birmingham, Edgbaston/Birmingham B15 2TT/Royaume-Uni (5 aut., 10 aut., 14 aut., 20 aut., 24 aut.); Laboratoire Lagrange, UMR7293, Université de Nice Sophia-Antipolis, CNRS, Observatoire de la Cote d'Azur, BP 4229/06304 Nice/France (7 aut., 31 aut.); Department of Astronomy. Yale University, P.O. Box 208101/New Haven. CT 06520-8101/Etats-Unis (9 aut., 19 aut.); Sydney Institute for Astronomy. School of Physics, University of Sydney/NSW 2006/Australie (11 aut., 16 aut., 17 aut., 35 aut.); Institut d'Astrophysique Spatiale, UMR8617, Universite Paris XI. Batiment 121/91405 Orsay/France (12 aut., 21 aut.); Centro de Astrofísica and Faculdade de Ciências, Universidade do Porto, Rua das Estrelas/4150-762 Porto/Portugal (13 aut., 26 aut., 37 aut.); Laboratoire AIM. CEA/DSM-CNRS-Universite Paris Diderot/91191 Gif-sur-Yvette/France (15 aut.); IRFU/SAp, Centre de Saclay/91191 Gif-sur-Yvette/France (15 aut.); INAF Osservatorio Astrofisico di Catania, Via S. Sofia 78/95123 Catania/Italie (18 aut.); Los Alamos National Laboratory. X-2 MS T-086/Los Alamos, NM 87545-2345/Etats-Unis (22 aut.); Astronomical Institute "Anton Pannekoek," University of Amsterdam, P.O. Box 94249/1090 GE Amsterdam/Pays-Bas (24 aut., 30 aut.); Kiepenheuer-Institut für Sonnenphysik/79104 Freiburg/Allemagne (25 aut.); LATMOS, 11 Boulevard d'Alembert/78280 Guyancourt/France (27 aut.); Canadian Space Agency, 6767 Route de l'Aéroport/Saint-Hubert. QC J3Y 8Y9/Canada (28 aut.); Dpto de Astrofísica, Universidad de La Laguna/38206 Tenerife/Espagne (29 aut.); Instituto de Astrofísica de Canarias, 38205 La Laguna/Tenerife/Espagne (29 aut.); Instituto de Ciencias del Espacio (CSIC-IEEC), Facultad de Ciencias. Campus UAB/08193 Bellaterra/Espagne (32 aut.); JILA. University of Colorado and National Institute of Standards and Technology, 440 UCB/Boulder, CO 80309/Etats-Unis (34 aut.); CNRS, Institut de Recherche en Astrophysique et Planétologie, 14 avenue Edouard Belin/31400 Toulouse/France (36 aut.); Université de Toulouse, UPS-OMP, IRAP/31400 Toulouse/France (36 aut.); Astronomical Institute. University of Wrocław, ul. Kopernika 11/51-622 Wrocław/Pologne (38 aut.) |
| DT : | Publication en série; Niveau analytique |
| SO : | The Astrophysical journal; ISSN 0004-637X; Coden ASJOAB; Royaume-Uni; Da. 2012; Vol. 749; No. 2 p. 1; 152.1-152.14; Bibl. 3/4 p. |
| LA : | Anglais |
| EA : | Asteroseismology with the Kepler space telescope is providing not only an improved characterization of exoplanets and their host stars, but also a new window on stellar structure and evolution for the large sample of solar-type stars in the field. We perform a uniform analysis of 22 of the brightest asteroseismic targets with the highest signal-to-noise ratio observed for 1 month each during the first year of the mission, and we quantify the precision and relative accuracy of asteroseismic determinations of the stellar radius, mass, and age that are possible using various methods. We present the properties of each star in the sample derived from an automated analysis of the individual oscillation frequencies and other observational constraints using the Asteroseismic Modeling Portal (AMP), and we compare them to the results of model-grid-based methods that fit the global oscillation properties. We find that fitting the individual frequencies typically yields asteroseismic radii and masses to ∼1% precision, and ages to ∼2.5% precision (respectively, 2, 5, and 8 times better than fitting the global oscillation properties). The absolute level of agreement between the results from different approaches is also encouraging, with model-grid-based methods yielding slightly smaller estimates of the radius and mass and slightly older values for the stellar age relative to AMP, which computes a large number of dedicated models for each star. The sample of targets for which this type of analysis is possible will grow as longer data sets are obtained during the remainder of the mission. |
| CC : | 001E03 |
| FD : | Etoile type solaire; Astéroséismologie; Planète extrasolaire; Evolution stellaire; Structure stellaire; Rapport signal bruit; Masse stellaire; Age; Fréquence oscillation; Modélisation; Modèle; Méthode numérique |
| ED : | Solar type star; Astroseismology; Extrasolar planets; Stellar evolution; Stellar structure; Signal-to-noise ratio; Stellar mass; Age; Oscillation frequency; Modelling; Models; Numerical method |
| SD : | Estrella tipo solar; Edad; Frecuencia oscilación; Modelo; Método numérico |
| LO : | INIST-512.354000509807480570 |
| ID : | 12-0186779 |
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University of Birmingham, Edgbaston</s1><s2>Birmingham B15 2TT</s2><s3>GBR</s3><sZ>5 aut.</sZ><sZ>10 aut.</sZ><sZ>14 aut.</sZ><sZ>20 aut.</sZ><sZ>24 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Christensen Dalsgaard, J" sort="Christensen Dalsgaard, J" uniqKey="Christensen Dalsgaard J" first="J." last="Christensen-Dalsgaard">J. Christensen-Dalsgaard</name><affiliation><inist:fA14 i1="01"><s1>High Altitude Observatory, NCAR. P.O. Box 3000</s1><s2>Boulder, CO 80307</s2><s3>USA</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>6 aut.</sZ><sZ>8 aut.</sZ><sZ>33 aut.</sZ></inist:fA14></affiliation><affiliation><inist:fA14 i1="03"><s1>Department of Physics and Astronomy, Aarhus University</s1><s2>8000 Aarhus C</s2><s3>DNK</s3><sZ>4 aut.</sZ><sZ>6 aut.</sZ><sZ>8 aut.</sZ><sZ>10 aut.</sZ><sZ>13 aut.</sZ><sZ>23 aut.</sZ><sZ>39 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Creevey, O L" sort="Creevey, O L" uniqKey="Creevey O" first="O. L." last="Creevey">O. L. Creevey</name><affiliation><inist:fA14 i1="06"><s1>Laboratoire Lagrange, UMR7293, Université de Nice Sophia-Antipolis, CNRS, Observatoire de la Cote d'Azur, BP 4229</s1><s2>06304 Nice</s2><s3>FRA</s3><sZ>7 aut.</sZ><sZ>31 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Dogan, G" sort="Dogan, G" uniqKey="Dogan G" first="G." last="Dogan">G. Dogan</name><affiliation><inist:fA14 i1="01"><s1>High Altitude Observatory, NCAR. P.O. Box 3000</s1><s2>Boulder, CO 80307</s2><s3>USA</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>6 aut.</sZ><sZ>8 aut.</sZ><sZ>33 aut.</sZ></inist:fA14></affiliation><affiliation><inist:fA14 i1="03"><s1>Department of Physics and Astronomy, Aarhus University</s1><s2>8000 Aarhus C</s2><s3>DNK</s3><sZ>4 aut.</sZ><sZ>6 aut.</sZ><sZ>8 aut.</sZ><sZ>10 aut.</sZ><sZ>13 aut.</sZ><sZ>23 aut.</sZ><sZ>39 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Basu, S" sort="Basu, S" uniqKey="Basu S" first="S." last="Basu">S. Basu</name><affiliation><inist:fA14 i1="07"><s1>Department of Astronomy. Yale University, P.O. Box 208101</s1><s2>New Haven. CT 06520-8101</s2><s3>USA</s3><sZ>9 aut.</sZ><sZ>19 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Karoff, C" sort="Karoff, C" uniqKey="Karoff C" first="C." last="Karoff">C. Karoff</name><affiliation><inist:fA14 i1="03"><s1>Department of Physics and Astronomy, Aarhus University</s1><s2>8000 Aarhus C</s2><s3>DNK</s3><sZ>4 aut.</sZ><sZ>6 aut.</sZ><sZ>8 aut.</sZ><sZ>10 aut.</sZ><sZ>13 aut.</sZ><sZ>23 aut.</sZ><sZ>39 aut.</sZ></inist:fA14></affiliation><affiliation><inist:fA14 i1="05"><s1>School of Physics and Astronomy. University of Birmingham, Edgbaston</s1><s2>Birmingham B15 2TT</s2><s3>GBR</s3><sZ>5 aut.</sZ><sZ>10 aut.</sZ><sZ>14 aut.</sZ><sZ>20 aut.</sZ><sZ>24 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Stello, D" sort="Stello, D" uniqKey="Stello D" first="D." last="Stello">D. Stello</name><affiliation><inist:fA14 i1="08"><s1>Sydney Institute for Astronomy. School of Physics, University of Sydney</s1><s2>NSW 2006</s2><s3>AUS</s3><sZ>11 aut.</sZ><sZ>16 aut.</sZ><sZ>17 aut.</sZ><sZ>35 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Appourchaux, T" sort="Appourchaux, T" uniqKey="Appourchaux T" first="T." last="Appourchaux">T. Appourchaux</name><affiliation><inist:fA14 i1="09"><s1>Institut d'Astrophysique Spatiale, UMR8617, Universite Paris XI. Batiment 121</s1><s2>91405 Orsay</s2><s3>FRA</s3><sZ>12 aut.</sZ><sZ>21 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Campante, T L" sort="Campante, T L" uniqKey="Campante T" first="T. L." last="Campante">T. L. Campante</name><affiliation><inist:fA14 i1="03"><s1>Department of Physics and Astronomy, Aarhus University</s1><s2>8000 Aarhus C</s2><s3>DNK</s3><sZ>4 aut.</sZ><sZ>6 aut.</sZ><sZ>8 aut.</sZ><sZ>10 aut.</sZ><sZ>13 aut.</sZ><sZ>23 aut.</sZ><sZ>39 aut.</sZ></inist:fA14></affiliation><affiliation><inist:fA14 i1="10"><s1>Centro de Astrofísica and Faculdade de Ciências, Universidade do Porto, Rua das Estrelas</s1><s2>4150-762 Porto</s2><s3>PRT</s3><sZ>13 aut.</sZ><sZ>26 aut.</sZ><sZ>37 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Chaplin, W J" sort="Chaplin, W J" uniqKey="Chaplin W" first="W. J." last="Chaplin">W. J. Chaplin</name><affiliation><inist:fA14 i1="05"><s1>School of Physics and Astronomy. University of Birmingham, Edgbaston</s1><s2>Birmingham B15 2TT</s2><s3>GBR</s3><sZ>5 aut.</sZ><sZ>10 aut.</sZ><sZ>14 aut.</sZ><sZ>20 aut.</sZ><sZ>24 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Garcia, R A" sort="Garcia, R A" uniqKey="Garcia R" first="R. A." last="Garcia">R. A. Garcia</name><affiliation><inist:fA14 i1="11"><s1>Laboratoire AIM. CEA/DSM-CNRS-Universite Paris Diderot</s1><s2>91191 Gif-sur-Yvette</s2><s3>FRA</s3><sZ>15 aut.</sZ></inist:fA14></affiliation><affiliation><inist:fA14 i1="12"><s1>IRFU/SAp, Centre de Saclay</s1><s2>91191 Gif-sur-Yvette</s2><s3>FRA</s3><sZ>15 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Bedding, T R" sort="Bedding, T R" uniqKey="Bedding T" first="T. R." last="Bedding">T. R. Bedding</name><affiliation><inist:fA14 i1="08"><s1>Sydney Institute for Astronomy. School of Physics, University of Sydney</s1><s2>NSW 2006</s2><s3>AUS</s3><sZ>11 aut.</sZ><sZ>16 aut.</sZ><sZ>17 aut.</sZ><sZ>35 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Benomar, O" sort="Benomar, O" uniqKey="Benomar O" first="O." last="Benomar">O. Benomar</name><affiliation><inist:fA14 i1="08"><s1>Sydney Institute for Astronomy. School of Physics, University of Sydney</s1><s2>NSW 2006</s2><s3>AUS</s3><sZ>11 aut.</sZ><sZ>16 aut.</sZ><sZ>17 aut.</sZ><sZ>35 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Bonanno, A" sort="Bonanno, A" uniqKey="Bonanno A" first="A." last="Bonanno">A. Bonanno</name><affiliation><inist:fA14 i1="13"><s1>INAF Osservatorio Astrofisico di Catania, Via S. Sofia 78</s1><s2>95123 Catania</s2><s3>ITA</s3><sZ>18 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Deheuvels, S" sort="Deheuvels, S" uniqKey="Deheuvels S" first="S." last="Deheuvels">S. Deheuvels</name><affiliation><inist:fA14 i1="07"><s1>Department of Astronomy. Yale University, P.O. Box 208101</s1><s2>New Haven. CT 06520-8101</s2><s3>USA</s3><sZ>9 aut.</sZ><sZ>19 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Elsworth, Y" sort="Elsworth, Y" uniqKey="Elsworth Y" first="Y." last="Elsworth">Y. Elsworth</name><affiliation><inist:fA14 i1="05"><s1>School of Physics and Astronomy. University of Birmingham, Edgbaston</s1><s2>Birmingham B15 2TT</s2><s3>GBR</s3><sZ>5 aut.</sZ><sZ>10 aut.</sZ><sZ>14 aut.</sZ><sZ>20 aut.</sZ><sZ>24 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Gaulme, P" sort="Gaulme, P" uniqKey="Gaulme P" first="P." last="Gaulme">P. Gaulme</name><affiliation><inist:fA14 i1="09"><s1>Institut d'Astrophysique Spatiale, UMR8617, Universite Paris XI. Batiment 121</s1><s2>91405 Orsay</s2><s3>FRA</s3><sZ>12 aut.</sZ><sZ>21 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Guzik, J A" sort="Guzik, J A" uniqKey="Guzik J" first="J. A." last="Guzik">J. A. Guzik</name><affiliation><inist:fA14 i1="14"><s1>Los Alamos National Laboratory. X-2 MS T-086</s1><s2>Los Alamos, NM 87545-2345</s2><s3>USA</s3><sZ>22 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Handberg, R" sort="Handberg, R" uniqKey="Handberg R" first="R." last="Handberg">R. Handberg</name><affiliation><inist:fA14 i1="03"><s1>Department of Physics and Astronomy, Aarhus University</s1><s2>8000 Aarhus C</s2><s3>DNK</s3><sZ>4 aut.</sZ><sZ>6 aut.</sZ><sZ>8 aut.</sZ><sZ>10 aut.</sZ><sZ>13 aut.</sZ><sZ>23 aut.</sZ><sZ>39 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Hekker, S" sort="Hekker, S" uniqKey="Hekker S" first="S." last="Hekker">S. Hekker</name><affiliation><inist:fA14 i1="05"><s1>School of Physics and Astronomy. University of Birmingham, Edgbaston</s1><s2>Birmingham B15 2TT</s2><s3>GBR</s3><sZ>5 aut.</sZ><sZ>10 aut.</sZ><sZ>14 aut.</sZ><sZ>20 aut.</sZ><sZ>24 aut.</sZ></inist:fA14></affiliation><affiliation><inist:fA14 i1="15"><s1>Astronomical Institute "Anton Pannekoek," University of Amsterdam, P.O. Box 94249</s1><s2>1090 GE Amsterdam</s2><s3>NLD</s3><sZ>24 aut.</sZ><sZ>30 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Herzberg, W" sort="Herzberg, W" uniqKey="Herzberg W" first="W." last="Herzberg">W. Herzberg</name><affiliation><inist:fA14 i1="16"><s1>Kiepenheuer-Institut für Sonnenphysik</s1><s2>79104 Freiburg</s2><s3>DEU</s3><sZ>25 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Monteiro, M J P F G" sort="Monteiro, M J P F G" uniqKey="Monteiro M" first="M. J. P. F. G." last="Monteiro">M. J. P. F. G. Monteiro</name><affiliation><inist:fA14 i1="10"><s1>Centro de Astrofísica and Faculdade de Ciências, Universidade do Porto, Rua das Estrelas</s1><s2>4150-762 Porto</s2><s3>PRT</s3><sZ>13 aut.</sZ><sZ>26 aut.</sZ><sZ>37 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Piau, L" sort="Piau, L" uniqKey="Piau L" first="L." last="Piau">L. Piau</name><affiliation><inist:fA14 i1="17"><s1>LATMOS, 11 Boulevard d'Alembert</s1><s2>78280 Guyancourt</s2><s3>FRA</s3><sZ>27 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Quirion, P O" sort="Quirion, P O" uniqKey="Quirion P" first="P.-O." last="Quirion">P.-O. Quirion</name><affiliation><inist:fA14 i1="18"><s1>Canadian Space Agency, 6767 Route de l'Aéroport</s1><s2>Saint-Hubert. QC J3Y 8Y9</s2><s3>CAN</s3><sZ>28 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Regulo, C" sort="Regulo, C" uniqKey="Regulo C" first="C." last="Regulo">C. Regulo</name><affiliation><inist:fA14 i1="19"><s1>Dpto de Astrofísica, Universidad de La Laguna</s1><s2>38206 Tenerife</s2><s3>ESP</s3><sZ>29 aut.</sZ></inist:fA14></affiliation><affiliation><inist:fA14 i1="20"><s1>Instituto de Astrofísica de Canarias, 38205 La Laguna</s1><s2>Tenerife</s2><s3>ESP</s3><sZ>29 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Roth, M" sort="Roth, M" uniqKey="Roth M" first="M." last="Roth">M. Roth</name><affiliation><inist:fA14 i1="15"><s1>Astronomical Institute "Anton Pannekoek," University of Amsterdam, P.O. Box 94249</s1><s2>1090 GE Amsterdam</s2><s3>NLD</s3><sZ>24 aut.</sZ><sZ>30 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Salabert, D" sort="Salabert, D" uniqKey="Salabert D" first="D." last="Salabert">D. Salabert</name><affiliation><inist:fA14 i1="06"><s1>Laboratoire Lagrange, UMR7293, Université de Nice Sophia-Antipolis, CNRS, Observatoire de la Cote d'Azur, BP 4229</s1><s2>06304 Nice</s2><s3>FRA</s3><sZ>7 aut.</sZ><sZ>31 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Serenelli, A" sort="Serenelli, A" uniqKey="Serenelli A" first="A." last="Serenelli">A. Serenelli</name><affiliation><inist:fA14 i1="21"><s1>Instituto de Ciencias del Espacio (CSIC-IEEC), Facultad de Ciencias. Campus UAB</s1><s2>08193 Bellaterra</s2><s3>ESP</s3><sZ>32 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Thompson, M J" sort="Thompson, M J" uniqKey="Thompson M" first="M. J." last="Thompson">M. J. Thompson</name><affiliation><inist:fA14 i1="01"><s1>High Altitude Observatory, NCAR. P.O. Box 3000</s1><s2>Boulder, CO 80307</s2><s3>USA</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>6 aut.</sZ><sZ>8 aut.</sZ><sZ>33 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Trampedach, R" sort="Trampedach, R" uniqKey="Trampedach R" first="R." last="Trampedach">R. Trampedach</name><affiliation><inist:fA14 i1="22"><s1>JILA. University of Colorado and National Institute of Standards and Technology, 440 UCB</s1><s2>Boulder, CO 80309</s2><s3>USA</s3><sZ>34 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="White, T R" sort="White, T R" uniqKey="White T" first="T. R." last="White">T. R. White</name><affiliation><inist:fA14 i1="08"><s1>Sydney Institute for Astronomy. School of Physics, University of Sydney</s1><s2>NSW 2006</s2><s3>AUS</s3><sZ>11 aut.</sZ><sZ>16 aut.</sZ><sZ>17 aut.</sZ><sZ>35 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Ballot, J" sort="Ballot, J" uniqKey="Ballot J" first="J." last="Ballot">J. Ballot</name><affiliation><inist:fA14 i1="23"><s1>CNRS, Institut de Recherche en Astrophysique et Planétologie, 14 avenue Edouard Belin</s1><s2>31400 Toulouse</s2><s3>FRA</s3><sZ>36 aut.</sZ></inist:fA14></affiliation><affiliation><inist:fA14 i1="24"><s1>Université de Toulouse, UPS-OMP, IRAP</s1><s2>31400 Toulouse</s2><s3>FRA</s3><sZ>36 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Brandao, I M" sort="Brandao, I M" uniqKey="Brandao I" first="I. M." last="Brandao">I. M. Brandao</name><affiliation><inist:fA14 i1="10"><s1>Centro de Astrofísica and Faculdade de Ciências, Universidade do Porto, Rua das Estrelas</s1><s2>4150-762 Porto</s2><s3>PRT</s3><sZ>13 aut.</sZ><sZ>26 aut.</sZ><sZ>37 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Molenda Zakowicz, J" sort="Molenda Zakowicz, J" uniqKey="Molenda Zakowicz J" first="J." last="Molenda-Zakowicz">J. Molenda-Zakowicz</name><affiliation><inist:fA14 i1="25"><s1>Astronomical Institute. University of Wrocław, ul. Kopernika 11</s1><s2>51-622 Wrocław</s2><s3>POL</s3><sZ>38 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Kjeldsen, H" sort="Kjeldsen, H" uniqKey="Kjeldsen H" first="H." last="Kjeldsen">H. Kjeldsen</name><affiliation><inist:fA14 i1="03"><s1>Department of Physics and Astronomy, Aarhus University</s1><s2>8000 Aarhus C</s2><s3>DNK</s3><sZ>4 aut.</sZ><sZ>6 aut.</sZ><sZ>8 aut.</sZ><sZ>10 aut.</sZ><sZ>13 aut.</sZ><sZ>23 aut.</sZ><sZ>39 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Twicken, J D" sort="Twicken, J D" uniqKey="Twicken J" first="J. D." last="Twicken">J. D. Twicken</name></author><author><name sortKey="Uddin, K" sort="Uddin, K" uniqKey="Uddin K" first="K." last="Uddin">K. Uddin</name></author><author><name sortKey="Wohler, B" sort="Wohler, B" uniqKey="Wohler B" first="B." last="Wohler">B. Wohler</name></author></titleStmt><publicationStmt><idno type="wicri:source">INIST</idno><idno type="inist">12-0186779</idno><date when="2012">2012</date><idno type="stanalyst">PASCAL 12-0186779 INIST</idno><idno type="RBID">Pascal:12-0186779</idno><idno type="wicri:Area/PascalFrancis/Corpus">001458</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en" level="a">A UNIFORM ASTEROSEISMIC ANALYSIS OF 22 SOLAR-TYPE STARS OBSERVED BY KEPLER</title><author><name sortKey="Mathur, S" sort="Mathur, S" uniqKey="Mathur S" first="S." last="Mathur">S. Mathur</name><affiliation><inist:fA14 i1="01"><s1>High Altitude Observatory, NCAR. P.O. Box 3000</s1><s2>Boulder, CO 80307</s2><s3>USA</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>6 aut.</sZ><sZ>8 aut.</sZ><sZ>33 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Metcalfe, T S" sort="Metcalfe, T S" uniqKey="Metcalfe T" first="T. S." last="Metcalfe">T. S. Metcalfe</name><affiliation><inist:fA14 i1="01"><s1>High Altitude Observatory, NCAR. P.O. Box 3000</s1><s2>Boulder, CO 80307</s2><s3>USA</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>6 aut.</sZ><sZ>8 aut.</sZ><sZ>33 aut.</sZ></inist:fA14></affiliation><affiliation><inist:fA14 i1="02"><s1>Computational & Information Systems Laboratory, NCAR. P.O. Box 3000</s1><s2>Boulder, CO 80307</s2><s3>USA</s3><sZ>2 aut.</sZ><sZ>3 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Woitaszek, M" sort="Woitaszek, M" uniqKey="Woitaszek M" first="M." last="Woitaszek">M. Woitaszek</name><affiliation><inist:fA14 i1="02"><s1>Computational & Information Systems Laboratory, NCAR. P.O. Box 3000</s1><s2>Boulder, CO 80307</s2><s3>USA</s3><sZ>2 aut.</sZ><sZ>3 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Bruntt, H" sort="Bruntt, H" uniqKey="Bruntt H" first="H." last="Bruntt">H. Bruntt</name><affiliation><inist:fA14 i1="03"><s1>Department of Physics and Astronomy, Aarhus University</s1><s2>8000 Aarhus C</s2><s3>DNK</s3><sZ>4 aut.</sZ><sZ>6 aut.</sZ><sZ>8 aut.</sZ><sZ>10 aut.</sZ><sZ>13 aut.</sZ><sZ>23 aut.</sZ><sZ>39 aut.</sZ></inist:fA14></affiliation><affiliation><inist:fA14 i1="04"><s1>LESIA, UMR8109, Université Pierre et Marie Curie, Université Denis Diderot, Obs. de Paris</s1><s2>92195 Meudon</s2><s3>FRA</s3><sZ>4 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Verner, G A" sort="Verner, G A" uniqKey="Verner G" first="G. A." last="Verner">G. A. Verner</name><affiliation><inist:fA14 i1="05"><s1>School of Physics and Astronomy. University of Birmingham, Edgbaston</s1><s2>Birmingham B15 2TT</s2><s3>GBR</s3><sZ>5 aut.</sZ><sZ>10 aut.</sZ><sZ>14 aut.</sZ><sZ>20 aut.</sZ><sZ>24 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Christensen Dalsgaard, J" sort="Christensen Dalsgaard, J" uniqKey="Christensen Dalsgaard J" first="J." last="Christensen-Dalsgaard">J. Christensen-Dalsgaard</name><affiliation><inist:fA14 i1="01"><s1>High Altitude Observatory, NCAR. P.O. Box 3000</s1><s2>Boulder, CO 80307</s2><s3>USA</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>6 aut.</sZ><sZ>8 aut.</sZ><sZ>33 aut.</sZ></inist:fA14></affiliation><affiliation><inist:fA14 i1="03"><s1>Department of Physics and Astronomy, Aarhus University</s1><s2>8000 Aarhus C</s2><s3>DNK</s3><sZ>4 aut.</sZ><sZ>6 aut.</sZ><sZ>8 aut.</sZ><sZ>10 aut.</sZ><sZ>13 aut.</sZ><sZ>23 aut.</sZ><sZ>39 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Creevey, O L" sort="Creevey, O L" uniqKey="Creevey O" first="O. L." last="Creevey">O. L. Creevey</name><affiliation><inist:fA14 i1="06"><s1>Laboratoire Lagrange, UMR7293, Université de Nice Sophia-Antipolis, CNRS, Observatoire de la Cote d'Azur, BP 4229</s1><s2>06304 Nice</s2><s3>FRA</s3><sZ>7 aut.</sZ><sZ>31 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Dogan, G" sort="Dogan, G" uniqKey="Dogan G" first="G." last="Dogan">G. Dogan</name><affiliation><inist:fA14 i1="01"><s1>High Altitude Observatory, NCAR. P.O. Box 3000</s1><s2>Boulder, CO 80307</s2><s3>USA</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>6 aut.</sZ><sZ>8 aut.</sZ><sZ>33 aut.</sZ></inist:fA14></affiliation><affiliation><inist:fA14 i1="03"><s1>Department of Physics and Astronomy, Aarhus University</s1><s2>8000 Aarhus C</s2><s3>DNK</s3><sZ>4 aut.</sZ><sZ>6 aut.</sZ><sZ>8 aut.</sZ><sZ>10 aut.</sZ><sZ>13 aut.</sZ><sZ>23 aut.</sZ><sZ>39 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Basu, S" sort="Basu, S" uniqKey="Basu S" first="S." last="Basu">S. Basu</name><affiliation><inist:fA14 i1="07"><s1>Department of Astronomy. Yale University, P.O. Box 208101</s1><s2>New Haven. CT 06520-8101</s2><s3>USA</s3><sZ>9 aut.</sZ><sZ>19 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Karoff, C" sort="Karoff, C" uniqKey="Karoff C" first="C." last="Karoff">C. Karoff</name><affiliation><inist:fA14 i1="03"><s1>Department of Physics and Astronomy, Aarhus University</s1><s2>8000 Aarhus C</s2><s3>DNK</s3><sZ>4 aut.</sZ><sZ>6 aut.</sZ><sZ>8 aut.</sZ><sZ>10 aut.</sZ><sZ>13 aut.</sZ><sZ>23 aut.</sZ><sZ>39 aut.</sZ></inist:fA14></affiliation><affiliation><inist:fA14 i1="05"><s1>School of Physics and Astronomy. University of Birmingham, Edgbaston</s1><s2>Birmingham B15 2TT</s2><s3>GBR</s3><sZ>5 aut.</sZ><sZ>10 aut.</sZ><sZ>14 aut.</sZ><sZ>20 aut.</sZ><sZ>24 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Stello, D" sort="Stello, D" uniqKey="Stello D" first="D." last="Stello">D. Stello</name><affiliation><inist:fA14 i1="08"><s1>Sydney Institute for Astronomy. School of Physics, University of Sydney</s1><s2>NSW 2006</s2><s3>AUS</s3><sZ>11 aut.</sZ><sZ>16 aut.</sZ><sZ>17 aut.</sZ><sZ>35 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Appourchaux, T" sort="Appourchaux, T" uniqKey="Appourchaux T" first="T." last="Appourchaux">T. Appourchaux</name><affiliation><inist:fA14 i1="09"><s1>Institut d'Astrophysique Spatiale, UMR8617, Universite Paris XI. Batiment 121</s1><s2>91405 Orsay</s2><s3>FRA</s3><sZ>12 aut.</sZ><sZ>21 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Campante, T L" sort="Campante, T L" uniqKey="Campante T" first="T. L." last="Campante">T. L. Campante</name><affiliation><inist:fA14 i1="03"><s1>Department of Physics and Astronomy, Aarhus University</s1><s2>8000 Aarhus C</s2><s3>DNK</s3><sZ>4 aut.</sZ><sZ>6 aut.</sZ><sZ>8 aut.</sZ><sZ>10 aut.</sZ><sZ>13 aut.</sZ><sZ>23 aut.</sZ><sZ>39 aut.</sZ></inist:fA14></affiliation><affiliation><inist:fA14 i1="10"><s1>Centro de Astrofísica and Faculdade de Ciências, Universidade do Porto, Rua das Estrelas</s1><s2>4150-762 Porto</s2><s3>PRT</s3><sZ>13 aut.</sZ><sZ>26 aut.</sZ><sZ>37 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Chaplin, W J" sort="Chaplin, W J" uniqKey="Chaplin W" first="W. J." last="Chaplin">W. J. Chaplin</name><affiliation><inist:fA14 i1="05"><s1>School of Physics and Astronomy. University of Birmingham, Edgbaston</s1><s2>Birmingham B15 2TT</s2><s3>GBR</s3><sZ>5 aut.</sZ><sZ>10 aut.</sZ><sZ>14 aut.</sZ><sZ>20 aut.</sZ><sZ>24 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Garcia, R A" sort="Garcia, R A" uniqKey="Garcia R" first="R. A." last="Garcia">R. A. Garcia</name><affiliation><inist:fA14 i1="11"><s1>Laboratoire AIM. CEA/DSM-CNRS-Universite Paris Diderot</s1><s2>91191 Gif-sur-Yvette</s2><s3>FRA</s3><sZ>15 aut.</sZ></inist:fA14></affiliation><affiliation><inist:fA14 i1="12"><s1>IRFU/SAp, Centre de Saclay</s1><s2>91191 Gif-sur-Yvette</s2><s3>FRA</s3><sZ>15 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Bedding, T R" sort="Bedding, T R" uniqKey="Bedding T" first="T. R." last="Bedding">T. R. Bedding</name><affiliation><inist:fA14 i1="08"><s1>Sydney Institute for Astronomy. School of Physics, University of Sydney</s1><s2>NSW 2006</s2><s3>AUS</s3><sZ>11 aut.</sZ><sZ>16 aut.</sZ><sZ>17 aut.</sZ><sZ>35 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Benomar, O" sort="Benomar, O" uniqKey="Benomar O" first="O." last="Benomar">O. Benomar</name><affiliation><inist:fA14 i1="08"><s1>Sydney Institute for Astronomy. School of Physics, University of Sydney</s1><s2>NSW 2006</s2><s3>AUS</s3><sZ>11 aut.</sZ><sZ>16 aut.</sZ><sZ>17 aut.</sZ><sZ>35 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Bonanno, A" sort="Bonanno, A" uniqKey="Bonanno A" first="A." last="Bonanno">A. Bonanno</name><affiliation><inist:fA14 i1="13"><s1>INAF Osservatorio Astrofisico di Catania, Via S. Sofia 78</s1><s2>95123 Catania</s2><s3>ITA</s3><sZ>18 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Deheuvels, S" sort="Deheuvels, S" uniqKey="Deheuvels S" first="S." last="Deheuvels">S. Deheuvels</name><affiliation><inist:fA14 i1="07"><s1>Department of Astronomy. Yale University, P.O. Box 208101</s1><s2>New Haven. CT 06520-8101</s2><s3>USA</s3><sZ>9 aut.</sZ><sZ>19 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Elsworth, Y" sort="Elsworth, Y" uniqKey="Elsworth Y" first="Y." last="Elsworth">Y. Elsworth</name><affiliation><inist:fA14 i1="05"><s1>School of Physics and Astronomy. University of Birmingham, Edgbaston</s1><s2>Birmingham B15 2TT</s2><s3>GBR</s3><sZ>5 aut.</sZ><sZ>10 aut.</sZ><sZ>14 aut.</sZ><sZ>20 aut.</sZ><sZ>24 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Gaulme, P" sort="Gaulme, P" uniqKey="Gaulme P" first="P." last="Gaulme">P. Gaulme</name><affiliation><inist:fA14 i1="09"><s1>Institut d'Astrophysique Spatiale, UMR8617, Universite Paris XI. Batiment 121</s1><s2>91405 Orsay</s2><s3>FRA</s3><sZ>12 aut.</sZ><sZ>21 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Guzik, J A" sort="Guzik, J A" uniqKey="Guzik J" first="J. A." last="Guzik">J. A. Guzik</name><affiliation><inist:fA14 i1="14"><s1>Los Alamos National Laboratory. X-2 MS T-086</s1><s2>Los Alamos, NM 87545-2345</s2><s3>USA</s3><sZ>22 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Handberg, R" sort="Handberg, R" uniqKey="Handberg R" first="R." last="Handberg">R. Handberg</name><affiliation><inist:fA14 i1="03"><s1>Department of Physics and Astronomy, Aarhus University</s1><s2>8000 Aarhus C</s2><s3>DNK</s3><sZ>4 aut.</sZ><sZ>6 aut.</sZ><sZ>8 aut.</sZ><sZ>10 aut.</sZ><sZ>13 aut.</sZ><sZ>23 aut.</sZ><sZ>39 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Hekker, S" sort="Hekker, S" uniqKey="Hekker S" first="S." last="Hekker">S. Hekker</name><affiliation><inist:fA14 i1="05"><s1>School of Physics and Astronomy. University of Birmingham, Edgbaston</s1><s2>Birmingham B15 2TT</s2><s3>GBR</s3><sZ>5 aut.</sZ><sZ>10 aut.</sZ><sZ>14 aut.</sZ><sZ>20 aut.</sZ><sZ>24 aut.</sZ></inist:fA14></affiliation><affiliation><inist:fA14 i1="15"><s1>Astronomical Institute "Anton Pannekoek," University of Amsterdam, P.O. Box 94249</s1><s2>1090 GE Amsterdam</s2><s3>NLD</s3><sZ>24 aut.</sZ><sZ>30 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Herzberg, W" sort="Herzberg, W" uniqKey="Herzberg W" first="W." last="Herzberg">W. Herzberg</name><affiliation><inist:fA14 i1="16"><s1>Kiepenheuer-Institut für Sonnenphysik</s1><s2>79104 Freiburg</s2><s3>DEU</s3><sZ>25 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Monteiro, M J P F G" sort="Monteiro, M J P F G" uniqKey="Monteiro M" first="M. J. P. F. G." last="Monteiro">M. J. P. F. G. Monteiro</name><affiliation><inist:fA14 i1="10"><s1>Centro de Astrofísica and Faculdade de Ciências, Universidade do Porto, Rua das Estrelas</s1><s2>4150-762 Porto</s2><s3>PRT</s3><sZ>13 aut.</sZ><sZ>26 aut.</sZ><sZ>37 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Piau, L" sort="Piau, L" uniqKey="Piau L" first="L." last="Piau">L. Piau</name><affiliation><inist:fA14 i1="17"><s1>LATMOS, 11 Boulevard d'Alembert</s1><s2>78280 Guyancourt</s2><s3>FRA</s3><sZ>27 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Quirion, P O" sort="Quirion, P O" uniqKey="Quirion P" first="P.-O." last="Quirion">P.-O. Quirion</name><affiliation><inist:fA14 i1="18"><s1>Canadian Space Agency, 6767 Route de l'Aéroport</s1><s2>Saint-Hubert. QC J3Y 8Y9</s2><s3>CAN</s3><sZ>28 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Regulo, C" sort="Regulo, C" uniqKey="Regulo C" first="C." last="Regulo">C. Regulo</name><affiliation><inist:fA14 i1="19"><s1>Dpto de Astrofísica, Universidad de La Laguna</s1><s2>38206 Tenerife</s2><s3>ESP</s3><sZ>29 aut.</sZ></inist:fA14></affiliation><affiliation><inist:fA14 i1="20"><s1>Instituto de Astrofísica de Canarias, 38205 La Laguna</s1><s2>Tenerife</s2><s3>ESP</s3><sZ>29 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Roth, M" sort="Roth, M" uniqKey="Roth M" first="M." last="Roth">M. Roth</name><affiliation><inist:fA14 i1="15"><s1>Astronomical Institute "Anton Pannekoek," University of Amsterdam, P.O. Box 94249</s1><s2>1090 GE Amsterdam</s2><s3>NLD</s3><sZ>24 aut.</sZ><sZ>30 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Salabert, D" sort="Salabert, D" uniqKey="Salabert D" first="D." last="Salabert">D. Salabert</name><affiliation><inist:fA14 i1="06"><s1>Laboratoire Lagrange, UMR7293, Université de Nice Sophia-Antipolis, CNRS, Observatoire de la Cote d'Azur, BP 4229</s1><s2>06304 Nice</s2><s3>FRA</s3><sZ>7 aut.</sZ><sZ>31 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Serenelli, A" sort="Serenelli, A" uniqKey="Serenelli A" first="A." last="Serenelli">A. Serenelli</name><affiliation><inist:fA14 i1="21"><s1>Instituto de Ciencias del Espacio (CSIC-IEEC), Facultad de Ciencias. Campus UAB</s1><s2>08193 Bellaterra</s2><s3>ESP</s3><sZ>32 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Thompson, M J" sort="Thompson, M J" uniqKey="Thompson M" first="M. J." last="Thompson">M. J. Thompson</name><affiliation><inist:fA14 i1="01"><s1>High Altitude Observatory, NCAR. P.O. Box 3000</s1><s2>Boulder, CO 80307</s2><s3>USA</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>6 aut.</sZ><sZ>8 aut.</sZ><sZ>33 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Trampedach, R" sort="Trampedach, R" uniqKey="Trampedach R" first="R." last="Trampedach">R. Trampedach</name><affiliation><inist:fA14 i1="22"><s1>JILA. University of Colorado and National Institute of Standards and Technology, 440 UCB</s1><s2>Boulder, CO 80309</s2><s3>USA</s3><sZ>34 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="White, T R" sort="White, T R" uniqKey="White T" first="T. R." last="White">T. R. White</name><affiliation><inist:fA14 i1="08"><s1>Sydney Institute for Astronomy. School of Physics, University of Sydney</s1><s2>NSW 2006</s2><s3>AUS</s3><sZ>11 aut.</sZ><sZ>16 aut.</sZ><sZ>17 aut.</sZ><sZ>35 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Ballot, J" sort="Ballot, J" uniqKey="Ballot J" first="J." last="Ballot">J. Ballot</name><affiliation><inist:fA14 i1="23"><s1>CNRS, Institut de Recherche en Astrophysique et Planétologie, 14 avenue Edouard Belin</s1><s2>31400 Toulouse</s2><s3>FRA</s3><sZ>36 aut.</sZ></inist:fA14></affiliation><affiliation><inist:fA14 i1="24"><s1>Université de Toulouse, UPS-OMP, IRAP</s1><s2>31400 Toulouse</s2><s3>FRA</s3><sZ>36 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Brandao, I M" sort="Brandao, I M" uniqKey="Brandao I" first="I. M." last="Brandao">I. M. Brandao</name><affiliation><inist:fA14 i1="10"><s1>Centro de Astrofísica and Faculdade de Ciências, Universidade do Porto, Rua das Estrelas</s1><s2>4150-762 Porto</s2><s3>PRT</s3><sZ>13 aut.</sZ><sZ>26 aut.</sZ><sZ>37 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Molenda Zakowicz, J" sort="Molenda Zakowicz, J" uniqKey="Molenda Zakowicz J" first="J." last="Molenda-Zakowicz">J. Molenda-Zakowicz</name><affiliation><inist:fA14 i1="25"><s1>Astronomical Institute. University of Wrocław, ul. Kopernika 11</s1><s2>51-622 Wrocław</s2><s3>POL</s3><sZ>38 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Kjeldsen, H" sort="Kjeldsen, H" uniqKey="Kjeldsen H" first="H." last="Kjeldsen">H. Kjeldsen</name><affiliation><inist:fA14 i1="03"><s1>Department of Physics and Astronomy, Aarhus University</s1><s2>8000 Aarhus C</s2><s3>DNK</s3><sZ>4 aut.</sZ><sZ>6 aut.</sZ><sZ>8 aut.</sZ><sZ>10 aut.</sZ><sZ>13 aut.</sZ><sZ>23 aut.</sZ><sZ>39 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Twicken, J D" sort="Twicken, J D" uniqKey="Twicken J" first="J. D." last="Twicken">J. D. Twicken</name></author><author><name sortKey="Uddin, K" sort="Uddin, K" uniqKey="Uddin K" first="K." last="Uddin">K. Uddin</name></author><author><name sortKey="Wohler, B" sort="Wohler, B" uniqKey="Wohler B" first="B." last="Wohler">B. Wohler</name></author></analytic><series><title level="j" type="main">The Astrophysical journal</title><title level="j" type="abbreviated">Astrophys. j.</title><idno type="ISSN">0004-637X</idno><imprint><date when="2012">2012</date></imprint></series></biblStruct></sourceDesc><seriesStmt><title level="j" type="main">The Astrophysical journal</title><title level="j" type="abbreviated">Astrophys. j.</title><idno type="ISSN">0004-637X</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Age</term><term>Astroseismology</term><term>Extrasolar planets</term><term>Modelling</term><term>Models</term><term>Numerical method</term><term>Oscillation frequency</term><term>Signal-to-noise ratio</term><term>Solar type star</term><term>Stellar evolution</term><term>Stellar mass</term><term>Stellar structure</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>Etoile type solaire</term><term>Astéroséismologie</term><term>Planète extrasolaire</term><term>Evolution stellaire</term><term>Structure stellaire</term><term>Rapport signal bruit</term><term>Masse stellaire</term><term>Age</term><term>Fréquence oscillation</term><term>Modélisation</term><term>Modèle</term><term>Méthode numérique</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Asteroseismology with the Kepler space telescope is providing not only an improved characterization of exoplanets and their host stars, but also a new window on stellar structure and evolution for the large sample of solar-type stars in the field. We perform a uniform analysis of 22 of the brightest asteroseismic targets with the highest signal-to-noise ratio observed for 1 month each during the first year of the mission, and we quantify the precision and relative accuracy of asteroseismic determinations of the stellar radius, mass, and age that are possible using various methods. We present the properties of each star in the sample derived from an automated analysis of the individual oscillation frequencies and other observational constraints using the Asteroseismic Modeling Portal (AMP), and we compare them to the results of model-grid-based methods that fit the global oscillation properties. We find that fitting the individual frequencies typically yields asteroseismic radii and masses to ∼1% precision, and ages to ∼2.5% precision (respectively, 2, 5, and 8 times better than fitting the global oscillation properties). The absolute level of agreement between the results from different approaches is also encouraging, with model-grid-based methods yielding slightly smaller estimates of the radius and mass and slightly older values for the stellar age relative to AMP, which computes a large number of dedicated models for each star. The sample of targets for which this type of analysis is possible will grow as longer data sets are obtained during the remainder of the mission.</div></front></TEI><inist><standard h6="B"><pA><fA01 i1="01" i2="1"><s0>0004-637X</s0></fA01><fA02 i1="01"><s0>ASJOAB</s0></fA02><fA03 i2="1"><s0>Astrophys. j.</s0></fA03><fA05><s2>749</s2></fA05><fA06><s2>2</s2><s3>p. 1</s3></fA06><fA08 i1="01" i2="1" l="ENG"><s1>A UNIFORM ASTEROSEISMIC ANALYSIS OF 22 SOLAR-TYPE STARS OBSERVED BY KEPLER</s1></fA08><fA11 i1="01" i2="1"><s1>MATHUR (S.)</s1></fA11><fA11 i1="02" i2="1"><s1>METCALFE (T. S.)</s1></fA11><fA11 i1="03" i2="1"><s1>WOITASZEK (M.)</s1></fA11><fA11 i1="04" i2="1"><s1>BRUNTT (H.)</s1></fA11><fA11 i1="05" i2="1"><s1>VERNER (G. A.)</s1></fA11><fA11 i1="06" i2="1"><s1>CHRISTENSEN-DALSGAARD (J.)</s1></fA11><fA11 i1="07" i2="1"><s1>CREEVEY (O. L.)</s1></fA11><fA11 i1="08" i2="1"><s1>DOGAN (G.)</s1></fA11><fA11 i1="09" i2="1"><s1>BASU (S.)</s1></fA11><fA11 i1="10" i2="1"><s1>KAROFF (C.)</s1></fA11><fA11 i1="11" i2="1"><s1>STELLO (D.)</s1></fA11><fA11 i1="12" i2="1"><s1>APPOURCHAUX (T.)</s1></fA11><fA11 i1="13" i2="1"><s1>CAMPANTE (T. L.)</s1></fA11><fA11 i1="14" i2="1"><s1>CHAPLIN (W. J.)</s1></fA11><fA11 i1="15" i2="1"><s1>GARCIA (R. A.)</s1></fA11><fA11 i1="16" i2="1"><s1>BEDDING (T. R.)</s1></fA11><fA11 i1="17" i2="1"><s1>BENOMAR (O.)</s1></fA11><fA11 i1="18" i2="1"><s1>BONANNO (A.)</s1></fA11><fA11 i1="19" i2="1"><s1>DEHEUVELS (S.)</s1></fA11><fA11 i1="20" i2="1"><s1>ELSWORTH (Y.)</s1></fA11><fA11 i1="21" i2="1"><s1>GAULME (P.)</s1></fA11><fA11 i1="22" i2="1"><s1>GUZIK (J. A.)</s1></fA11><fA11 i1="23" i2="1"><s1>HANDBERG (R.)</s1></fA11><fA11 i1="24" i2="1"><s1>HEKKER (S.)</s1></fA11><fA11 i1="25" i2="1"><s1>HERZBERG (W.)</s1></fA11><fA11 i1="26" i2="1"><s1>MONTEIRO (M. J. P. F. G.)</s1></fA11><fA11 i1="27" i2="1"><s1>PIAU (L.)</s1></fA11><fA11 i1="28" i2="1"><s1>QUIRION (P.-O.)</s1></fA11><fA11 i1="29" i2="1"><s1>REGULO (C.)</s1></fA11><fA11 i1="30" i2="1"><s1>ROTH (M.)</s1></fA11><fA11 i1="31" i2="1"><s1>SALABERT (D.)</s1></fA11><fA11 i1="32" i2="1"><s1>SERENELLI (A.)</s1></fA11><fA11 i1="33" i2="1"><s1>THOMPSON (M. J.)</s1></fA11><fA11 i1="34" i2="1"><s1>TRAMPEDACH (R.)</s1></fA11><fA11 i1="35" i2="1"><s1>WHITE (T. R.)</s1></fA11><fA11 i1="36" i2="1"><s1>BALLOT (J.)</s1></fA11><fA11 i1="37" i2="1"><s1>BRANDAO (I. M.)</s1></fA11><fA11 i1="38" i2="1"><s1>MOLENDA-ZAKOWICZ (J.)</s1></fA11><fA11 i1="39" i2="1"><s1>KJELDSEN (H.)</s1></fA11><fA11 i1="40" i2="1"><s1>TWICKEN (J. D.)</s1></fA11><fA11 i1="41" i2="1"><s1>UDDIN (K.)</s1></fA11><fA11 i1="42" i2="1"><s1>WOHLER (B.)</s1></fA11><fA14 i1="01"><s1>High Altitude Observatory, NCAR. P.O. Box 3000</s1><s2>Boulder, CO 80307</s2><s3>USA</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>6 aut.</sZ><sZ>8 aut.</sZ><sZ>33 aut.</sZ></fA14><fA14 i1="02"><s1>Computational & Information Systems Laboratory, NCAR. P.O. Box 3000</s1><s2>Boulder, CO 80307</s2><s3>USA</s3><sZ>2 aut.</sZ><sZ>3 aut.</sZ></fA14><fA14 i1="03"><s1>Department of Physics and Astronomy, Aarhus University</s1><s2>8000 Aarhus C</s2><s3>DNK</s3><sZ>4 aut.</sZ><sZ>6 aut.</sZ><sZ>8 aut.</sZ><sZ>10 aut.</sZ><sZ>13 aut.</sZ><sZ>23 aut.</sZ><sZ>39 aut.</sZ></fA14><fA14 i1="04"><s1>LESIA, UMR8109, Université Pierre et Marie Curie, Université Denis Diderot, Obs. de Paris</s1><s2>92195 Meudon</s2><s3>FRA</s3><sZ>4 aut.</sZ></fA14><fA14 i1="05"><s1>School of Physics and Astronomy. University of Birmingham, Edgbaston</s1><s2>Birmingham B15 2TT</s2><s3>GBR</s3><sZ>5 aut.</sZ><sZ>10 aut.</sZ><sZ>14 aut.</sZ><sZ>20 aut.</sZ><sZ>24 aut.</sZ></fA14><fA14 i1="06"><s1>Laboratoire Lagrange, UMR7293, Université de Nice Sophia-Antipolis, CNRS, Observatoire de la Cote d'Azur, BP 4229</s1><s2>06304 Nice</s2><s3>FRA</s3><sZ>7 aut.</sZ><sZ>31 aut.</sZ></fA14><fA14 i1="07"><s1>Department of Astronomy. Yale University, P.O. Box 208101</s1><s2>New Haven. CT 06520-8101</s2><s3>USA</s3><sZ>9 aut.</sZ><sZ>19 aut.</sZ></fA14><fA14 i1="08"><s1>Sydney Institute for Astronomy. School of Physics, University of Sydney</s1><s2>NSW 2006</s2><s3>AUS</s3><sZ>11 aut.</sZ><sZ>16 aut.</sZ><sZ>17 aut.</sZ><sZ>35 aut.</sZ></fA14><fA14 i1="09"><s1>Institut d'Astrophysique Spatiale, UMR8617, Universite Paris XI. Batiment 121</s1><s2>91405 Orsay</s2><s3>FRA</s3><sZ>12 aut.</sZ><sZ>21 aut.</sZ></fA14><fA14 i1="10"><s1>Centro de Astrofísica and Faculdade de Ciências, Universidade do Porto, Rua das Estrelas</s1><s2>4150-762 Porto</s2><s3>PRT</s3><sZ>13 aut.</sZ><sZ>26 aut.</sZ><sZ>37 aut.</sZ></fA14><fA14 i1="11"><s1>Laboratoire AIM. CEA/DSM-CNRS-Universite Paris Diderot</s1><s2>91191 Gif-sur-Yvette</s2><s3>FRA</s3><sZ>15 aut.</sZ></fA14><fA14 i1="12"><s1>IRFU/SAp, Centre de Saclay</s1><s2>91191 Gif-sur-Yvette</s2><s3>FRA</s3><sZ>15 aut.</sZ></fA14><fA14 i1="13"><s1>INAF Osservatorio Astrofisico di Catania, Via S. Sofia 78</s1><s2>95123 Catania</s2><s3>ITA</s3><sZ>18 aut.</sZ></fA14><fA14 i1="14"><s1>Los Alamos National Laboratory. X-2 MS T-086</s1><s2>Los Alamos, NM 87545-2345</s2><s3>USA</s3><sZ>22 aut.</sZ></fA14><fA14 i1="15"><s1>Astronomical Institute "Anton Pannekoek," University of Amsterdam, P.O. Box 94249</s1><s2>1090 GE Amsterdam</s2><s3>NLD</s3><sZ>24 aut.</sZ><sZ>30 aut.</sZ></fA14><fA14 i1="16"><s1>Kiepenheuer-Institut für Sonnenphysik</s1><s2>79104 Freiburg</s2><s3>DEU</s3><sZ>25 aut.</sZ></fA14><fA14 i1="17"><s1>LATMOS, 11 Boulevard d'Alembert</s1><s2>78280 Guyancourt</s2><s3>FRA</s3><sZ>27 aut.</sZ></fA14><fA14 i1="18"><s1>Canadian Space Agency, 6767 Route de l'Aéroport</s1><s2>Saint-Hubert. QC J3Y 8Y9</s2><s3>CAN</s3><sZ>28 aut.</sZ></fA14><fA14 i1="19"><s1>Dpto de Astrofísica, Universidad de La Laguna</s1><s2>38206 Tenerife</s2><s3>ESP</s3><sZ>29 aut.</sZ></fA14><fA14 i1="20"><s1>Instituto de Astrofísica de Canarias, 38205 La Laguna</s1><s2>Tenerife</s2><s3>ESP</s3><sZ>29 aut.</sZ></fA14><fA14 i1="21"><s1>Instituto de Ciencias del Espacio (CSIC-IEEC), Facultad de Ciencias. Campus UAB</s1><s2>08193 Bellaterra</s2><s3>ESP</s3><sZ>32 aut.</sZ></fA14><fA14 i1="22"><s1>JILA. University of Colorado and National Institute of Standards and Technology, 440 UCB</s1><s2>Boulder, CO 80309</s2><s3>USA</s3><sZ>34 aut.</sZ></fA14><fA14 i1="23"><s1>CNRS, Institut de Recherche en Astrophysique et Planétologie, 14 avenue Edouard Belin</s1><s2>31400 Toulouse</s2><s3>FRA</s3><sZ>36 aut.</sZ></fA14><fA14 i1="24"><s1>Université de Toulouse, UPS-OMP, IRAP</s1><s2>31400 Toulouse</s2><s3>FRA</s3><sZ>36 aut.</sZ></fA14><fA14 i1="25"><s1>Astronomical Institute. University of Wrocław, ul. Kopernika 11</s1><s2>51-622 Wrocław</s2><s3>POL</s3><sZ>38 aut.</sZ></fA14><fA20><s2>152.1-152.14</s2></fA20><fA21><s1>2012</s1></fA21><fA23 i1="01"><s0>ENG</s0></fA23><fA43 i1="01"><s1>INIST</s1><s2>512</s2><s5>354000509807480570</s5></fA43><fA44><s0>0000</s0><s1>© 2012 INIST-CNRS. All rights reserved.</s1></fA44><fA45><s0>3/4 p.</s0></fA45><fA47 i1="01" i2="1"><s0>12-0186779</s0></fA47><fA60><s1>P</s1></fA60><fA61><s0>A</s0></fA61><fA64 i1="01" i2="1"><s0>The Astrophysical journal</s0></fA64><fA66 i1="01"><s0>GBR</s0></fA66><fC01 i1="01" l="ENG"><s0>Asteroseismology with the Kepler space telescope is providing not only an improved characterization of exoplanets and their host stars, but also a new window on stellar structure and evolution for the large sample of solar-type stars in the field. We perform a uniform analysis of 22 of the brightest asteroseismic targets with the highest signal-to-noise ratio observed for 1 month each during the first year of the mission, and we quantify the precision and relative accuracy of asteroseismic determinations of the stellar radius, mass, and age that are possible using various methods. We present the properties of each star in the sample derived from an automated analysis of the individual oscillation frequencies and other observational constraints using the Asteroseismic Modeling Portal (AMP), and we compare them to the results of model-grid-based methods that fit the global oscillation properties. We find that fitting the individual frequencies typically yields asteroseismic radii and masses to ∼1% precision, and ages to ∼2.5% precision (respectively, 2, 5, and 8 times better than fitting the global oscillation properties). The absolute level of agreement between the results from different approaches is also encouraging, with model-grid-based methods yielding slightly smaller estimates of the radius and mass and slightly older values for the stellar age relative to AMP, which computes a large number of dedicated models for each star. The sample of targets for which this type of analysis is possible will grow as longer data sets are obtained during the remainder of the mission.</s0></fC01><fC02 i1="01" i2="3"><s0>001E03</s0></fC02><fC03 i1="01" i2="X" l="FRE"><s0>Etoile type solaire</s0><s5>26</s5></fC03><fC03 i1="01" i2="X" l="ENG"><s0>Solar type star</s0><s5>26</s5></fC03><fC03 i1="01" i2="X" l="SPA"><s0>Estrella tipo solar</s0><s5>26</s5></fC03><fC03 i1="02" i2="3" l="FRE"><s0>Astéroséismologie</s0><s5>27</s5></fC03><fC03 i1="02" i2="3" l="ENG"><s0>Astroseismology</s0><s5>27</s5></fC03><fC03 i1="03" i2="3" l="FRE"><s0>Planète extrasolaire</s0><s5>28</s5></fC03><fC03 i1="03" i2="3" l="ENG"><s0>Extrasolar planets</s0><s5>28</s5></fC03><fC03 i1="04" i2="3" l="FRE"><s0>Evolution stellaire</s0><s5>29</s5></fC03><fC03 i1="04" i2="3" l="ENG"><s0>Stellar evolution</s0><s5>29</s5></fC03><fC03 i1="05" i2="3" l="FRE"><s0>Structure stellaire</s0><s5>30</s5></fC03><fC03 i1="05" i2="3" l="ENG"><s0>Stellar structure</s0><s5>30</s5></fC03><fC03 i1="06" i2="3" l="FRE"><s0>Rapport signal bruit</s0><s5>31</s5></fC03><fC03 i1="06" i2="3" l="ENG"><s0>Signal-to-noise ratio</s0><s5>31</s5></fC03><fC03 i1="07" i2="3" l="FRE"><s0>Masse stellaire</s0><s5>32</s5></fC03><fC03 i1="07" i2="3" l="ENG"><s0>Stellar mass</s0><s5>32</s5></fC03><fC03 i1="08" i2="X" l="FRE"><s0>Age</s0><s5>33</s5></fC03><fC03 i1="08" i2="X" l="ENG"><s0>Age</s0><s5>33</s5></fC03><fC03 i1="08" i2="X" l="SPA"><s0>Edad</s0><s5>33</s5></fC03><fC03 i1="09" i2="X" l="FRE"><s0>Fréquence oscillation</s0><s5>34</s5></fC03><fC03 i1="09" i2="X" l="ENG"><s0>Oscillation frequency</s0><s5>34</s5></fC03><fC03 i1="09" i2="X" l="SPA"><s0>Frecuencia oscilación</s0><s5>34</s5></fC03><fC03 i1="10" i2="3" l="FRE"><s0>Modélisation</s0><s5>35</s5></fC03><fC03 i1="10" i2="3" l="ENG"><s0>Modelling</s0><s5>35</s5></fC03><fC03 i1="11" i2="X" l="FRE"><s0>Modèle</s0><s5>36</s5></fC03><fC03 i1="11" i2="X" l="ENG"><s0>Models</s0><s5>36</s5></fC03><fC03 i1="11" i2="X" l="SPA"><s0>Modelo</s0><s5>36</s5></fC03><fC03 i1="12" i2="X" l="FRE"><s0>Méthode numérique</s0><s5>37</s5></fC03><fC03 i1="12" i2="X" l="ENG"><s0>Numerical method</s0><s5>37</s5></fC03><fC03 i1="12" i2="X" l="SPA"><s0>Método numérico</s0><s5>37</s5></fC03><fN21><s1>142</s1></fN21><fN44 i1="01"><s1>OTO</s1></fN44><fN82><s1>OTO</s1></fN82></pA></standard><server><NO>PASCAL 12-0186779 INIST</NO><ET>A UNIFORM ASTEROSEISMIC ANALYSIS OF 22 SOLAR-TYPE STARS OBSERVED BY KEPLER</ET><AU>MATHUR (S.); METCALFE (T. S.); WOITASZEK (M.); BRUNTT (H.); VERNER (G. A.); CHRISTENSEN-DALSGAARD (J.); CREEVEY (O. L.); DOGAN (G.); BASU (S.); KAROFF (C.); STELLO (D.); APPOURCHAUX (T.); CAMPANTE (T. L.); CHAPLIN (W. J.); GARCIA (R. A.); BEDDING (T. R.); BENOMAR (O.); BONANNO (A.); DEHEUVELS (S.); ELSWORTH (Y.); GAULME (P.); GUZIK (J. A.); HANDBERG (R.); HEKKER (S.); HERZBERG (W.); MONTEIRO (M. J. P. F. G.); PIAU (L.); QUIRION (P.-O.); REGULO (C.); ROTH (M.); SALABERT (D.); SERENELLI (A.); THOMPSON (M. J.); TRAMPEDACH (R.); WHITE (T. R.); BALLOT (J.); BRANDAO (I. M.); MOLENDA-ZAKOWICZ (J.); KJELDSEN (H.); TWICKEN (J. D.); UDDIN (K.); WOHLER (B.)</AU><AF>High Altitude Observatory, NCAR. P.O. Box 3000/Boulder, CO 80307/Etats-Unis (1 aut., 2 aut., 6 aut., 8 aut., 33 aut.); Computational & Information Systems Laboratory, NCAR. P.O. Box 3000/Boulder, CO 80307/Etats-Unis (2 aut., 3 aut.); Department of Physics and Astronomy, Aarhus University/8000 Aarhus C/Danemark (4 aut., 6 aut., 8 aut., 10 aut., 13 aut., 23 aut., 39 aut.); LESIA, UMR8109, Université Pierre et Marie Curie, Université Denis Diderot, Obs. de Paris/92195 Meudon/France (4 aut.); School of Physics and Astronomy. University of Birmingham, Edgbaston/Birmingham B15 2TT/Royaume-Uni (5 aut., 10 aut., 14 aut., 20 aut., 24 aut.); Laboratoire Lagrange, UMR7293, Université de Nice Sophia-Antipolis, CNRS, Observatoire de la Cote d'Azur, BP 4229/06304 Nice/France (7 aut., 31 aut.); Department of Astronomy. Yale University, P.O. Box 208101/New Haven. CT 06520-8101/Etats-Unis (9 aut., 19 aut.); Sydney Institute for Astronomy. School of Physics, University of Sydney/NSW 2006/Australie (11 aut., 16 aut., 17 aut., 35 aut.); Institut d'Astrophysique Spatiale, UMR8617, Universite Paris XI. Batiment 121/91405 Orsay/France (12 aut., 21 aut.); Centro de Astrofísica and Faculdade de Ciências, Universidade do Porto, Rua das Estrelas/4150-762 Porto/Portugal (13 aut., 26 aut., 37 aut.); Laboratoire AIM. CEA/DSM-CNRS-Universite Paris Diderot/91191 Gif-sur-Yvette/France (15 aut.); IRFU/SAp, Centre de Saclay/91191 Gif-sur-Yvette/France (15 aut.); INAF Osservatorio Astrofisico di Catania, Via S. Sofia 78/95123 Catania/Italie (18 aut.); Los Alamos National Laboratory. X-2 MS T-086/Los Alamos, NM 87545-2345/Etats-Unis (22 aut.); Astronomical Institute "Anton Pannekoek," University of Amsterdam, P.O. Box 94249/1090 GE Amsterdam/Pays-Bas (24 aut., 30 aut.); Kiepenheuer-Institut für Sonnenphysik/79104 Freiburg/Allemagne (25 aut.); LATMOS, 11 Boulevard d'Alembert/78280 Guyancourt/France (27 aut.); Canadian Space Agency, 6767 Route de l'Aéroport/Saint-Hubert. QC J3Y 8Y9/Canada (28 aut.); Dpto de Astrofísica, Universidad de La Laguna/38206 Tenerife/Espagne (29 aut.); Instituto de Astrofísica de Canarias, 38205 La Laguna/Tenerife/Espagne (29 aut.); Instituto de Ciencias del Espacio (CSIC-IEEC), Facultad de Ciencias. Campus UAB/08193 Bellaterra/Espagne (32 aut.); JILA. University of Colorado and National Institute of Standards and Technology, 440 UCB/Boulder, CO 80309/Etats-Unis (34 aut.); CNRS, Institut de Recherche en Astrophysique et Planétologie, 14 avenue Edouard Belin/31400 Toulouse/France (36 aut.); Université de Toulouse, UPS-OMP, IRAP/31400 Toulouse/France (36 aut.); Astronomical Institute. University of Wrocław, ul. Kopernika 11/51-622 Wrocław/Pologne (38 aut.)</AF><DT>Publication en série; Niveau analytique</DT><SO>The Astrophysical journal; ISSN 0004-637X; Coden ASJOAB; Royaume-Uni; Da. 2012; Vol. 749; No. 2 p. 1; 152.1-152.14; Bibl. 3/4 p.</SO><LA>Anglais</LA><EA>Asteroseismology with the Kepler space telescope is providing not only an improved characterization of exoplanets and their host stars, but also a new window on stellar structure and evolution for the large sample of solar-type stars in the field. We perform a uniform analysis of 22 of the brightest asteroseismic targets with the highest signal-to-noise ratio observed for 1 month each during the first year of the mission, and we quantify the precision and relative accuracy of asteroseismic determinations of the stellar radius, mass, and age that are possible using various methods. We present the properties of each star in the sample derived from an automated analysis of the individual oscillation frequencies and other observational constraints using the Asteroseismic Modeling Portal (AMP), and we compare them to the results of model-grid-based methods that fit the global oscillation properties. We find that fitting the individual frequencies typically yields asteroseismic radii and masses to ∼1% precision, and ages to ∼2.5% precision (respectively, 2, 5, and 8 times better than fitting the global oscillation properties). The absolute level of agreement between the results from different approaches is also encouraging, with model-grid-based methods yielding slightly smaller estimates of the radius and mass and slightly older values for the stellar age relative to AMP, which computes a large number of dedicated models for each star. The sample of targets for which this type of analysis is possible will grow as longer data sets are obtained during the remainder of the mission.</EA><CC>001E03</CC><FD>Etoile type solaire; Astéroséismologie; Planète extrasolaire; Evolution stellaire; Structure stellaire; Rapport signal bruit; Masse stellaire; Age; Fréquence oscillation; Modélisation; Modèle; Méthode numérique</FD><ED>Solar type star; Astroseismology; Extrasolar planets; Stellar evolution; Stellar structure; Signal-to-noise ratio; Stellar mass; Age; Oscillation frequency; Modelling; Models; Numerical method</ED><SD>Estrella tipo solar; Edad; Frecuencia oscilación; Modelo; Método numérico</SD><LO>INIST-512.354000509807480570</LO><ID>12-0186779</ID></server></inist></record>Pour manipuler ce document sous Unix (Dilib)
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