PTF10ops - a subluminous, normal-width light curve Type Ia supernova in the middle of nowhere
Identifieur interne : 001759 ( PascalFrancis/Corpus ); précédent : 001758; suivant : 001760PTF10ops - a subluminous, normal-width light curve Type Ia supernova in the middle of nowhere
Auteurs : K. Maguire ; M. Sullivan ; R. C. Thomas ; P. Nugent ; D. A. Howell ; A. Gal-Yam ; I. Arcavi ; S. Ben-Ami ; S. Blake ; J. Botyanszki ; C. Buton ; J. Cooke ; R. S. Ellis ; I. M. Hook ; M. M. Kasliwal ; Y.-C. Pan ; R. Pereira ; P. Podsiadlowski ; A. Sternberg ; N. Suzuki ; D. Xu ; O. Yaron ; J. S. Bloom ; S. B. Cenko ; S. R. Kulkami ; N. Law ; E. O. Ofek ; D. Poznanski ; R. M. QuimbySource :
- Monthly Notices of the Royal Astronomical Society [ 0035-8711 ] ; 2011.
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Abstract
PTF10ops is a Type Ia supernova (SN Ia), whose light curve and spectral properties place it outside the current SN Ia subtype classifications. Its spectra display the characteristic lines of subluminous SNe Ia, but it has a normal-width light curve with a long rise time, typical of normal-luminosity SNe Ia. The early-time optical spectra of PTF10ops were modelled using a spectral fitting code and found to have all the lines typically seen in subluminous SNe Ia, without the need to invoke more uncommon elements. The host galaxy environment of PTF10ops is also unusual with no galaxy detected at the position of the SN down to an absolute limiting magnitude of r ≥ -12.0 mag, but a very massive galaxy is present at a separation of ∼148 kpc and at the same redshift as suggested by the SN spectral features. The progenitor of PTFlOops is most likely a very old star, possibly in a low-metallicity environment, which affects its explosion mechanism and observational characteristics. PTFlOops does not easily fit into any of the current models of either subluminous or normal SN Ia progenitor channels.
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| NO : | PASCAL 12-0007326 INIST |
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| ET : | PTF10ops - a subluminous, normal-width light curve Type Ia supernova in the middle of nowhere |
| AU : | MAGUIRE (K.); SULLIVAN (M.); THOMAS (R. C.); NUGENT (P.); HOWELL (D. A.); GAL-YAM (A.); ARCAVI (I.); BEN-AMI (S.); BLAKE (S.); BOTYANSZKI (J.); BUTON (C.); COOKE (J.); ELLIS (R. S.); HOOK (I. M.); KASLIWAL (M. M.); PAN (Y.-C.); PEREIRA (R.); PODSIADLOWSKI (P.); STERNBERG (A.); SUZUKI (N.); XU (D.); YARON (O.); BLOOM (J. S.); CENKO (S. B.); KULKAMI (S. R.); LAW (N.); OFEK (E. O.); POZNANSKI (D.); QUIMBY (R. M.) |
| AF : | Department of Physics (Astrophysics), University of Oxford, DWB, Keble Road/Oxford OX1 3RH/Royaume-Uni (1 aut., 2 aut., 9 aut., 14 aut., 16 aut., 18 aut.); Computational Cosmology Center, Lawrence Berkeley National Laboratory, 1 Cyclotron Rd./Berkeley, CA 94720/Etats-Unis (3 aut., 4 aut., 10 aut., 20 aut., 28 aut.); Department of Astronomy, University of California/Berkeley, CA 94720-3411/Etats-Unis (3 aut., 4 aut., 23 aut., 24 aut., 28 aut.); Las Cumbres Observatory Global Telescope Network, 6740 Cortona Dr., Suite 102/Goleta, CA 93117/Etats-Unis (5 aut.); Department of Physics, University of California at Santa Barbara/Santa Barbara, CA 93196/Etats-Unis (5 aut.); Department of Particle Physics and Astrophysics, Faculty of Physics, The Weizmann Institute of Science/Rehovot 76100/Israël (6 aut., 7 aut., 8 aut., 19 aut., 21 aut., 22 aut.); Department of Physics, University of California/Berkeley, CA 94720-3411/Etats-Unis (10 aut.); Physikalisches Institut Universitat Bonn, Nussallee 12/53115 Bonn/Allemagne (11 aut.); Swinburne University, of Technology/Melbourne, Victoria 3122/Australie (12 aut.); Cahill Center for Astrophysics, California Institute of Technology/Pasadena, CA 91125/Etats-Unis (13 aut., 15 aut., 25 aut., 27 aut., 29 aut.); INAF - Osservatorio Astronomico di Roma, via Frascati 33/00040 Monteporzio (RM)/Italie (14 aut.); Université de Lyon/69622/France (17 aut.); Université de Lyon 1, Villeurbanne; CNRS/IN2P3, Institut de Physique Nucléaire de Lyon/France (17 aut.); Dunlap Institute for Astronomy and Astrophysics, University of Toronto, 50 St George Street/Toronto M5S 3H4, Ontario/Canada (26 aut.) |
| DT : | Publication en série; Niveau analytique |
| SO : | Monthly Notices of the Royal Astronomical Society; ISSN 0035-8711; Coden MNRAA4; Etats-Unis; Da. 2011; Vol. 418; No. 2; Pp. 747-758; Bibl. 3/4 p. |
| LA : | Anglais |
| EA : | PTF10ops is a Type Ia supernova (SN Ia), whose light curve and spectral properties place it outside the current SN Ia subtype classifications. Its spectra display the characteristic lines of subluminous SNe Ia, but it has a normal-width light curve with a long rise time, typical of normal-luminosity SNe Ia. The early-time optical spectra of PTF10ops were modelled using a spectral fitting code and found to have all the lines typically seen in subluminous SNe Ia, without the need to invoke more uncommon elements. The host galaxy environment of PTF10ops is also unusual with no galaxy detected at the position of the SN down to an absolute limiting magnitude of r ≥ -12.0 mag, but a very massive galaxy is present at a separation of ∼148 kpc and at the same redshift as suggested by the SN spectral features. The progenitor of PTFlOops is most likely a very old star, possibly in a low-metallicity environment, which affects its explosion mechanism and observational characteristics. PTFlOops does not easily fit into any of the current models of either subluminous or normal SN Ia progenitor channels. |
| CC : | 001E03 |
| FD : | Courbe lumière; Supernova type I; Propriété spectrale; Classification; Luminosité; Spectre optique; Galaxies; Position; Magnitude absolue; Déplacement vers le rouge; Métallicité; Modèle |
| ED : | Light curves; Type I supernova; Spectral properties; Classification; Luminosity; Optical spectrum; Galaxies; Positions; Absolute magnitude; Red shift; Metallicity; Models |
| SD : | Supernova tipo I; Propiedad espectral; Espectro óptico; Magnitud absoluta; Metalicidad; Modelo |
| LO : | INIST-2067.354000505646090030 |
| ID : | 12-0007326 |
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Sullivan</name><affiliation><inist:fA14 i1="01"><s1>Department of Physics (Astrophysics), University of Oxford, DWB, Keble Road</s1><s2>Oxford OX1 3RH</s2><s3>GBR</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>9 aut.</sZ><sZ>14 aut.</sZ><sZ>16 aut.</sZ><sZ>18 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Thomas, R C" sort="Thomas, R C" uniqKey="Thomas R" first="R. C." last="Thomas">R. C. 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Howell</name><affiliation><inist:fA14 i1="04"><s1>Las Cumbres Observatory Global Telescope Network, 6740 Cortona Dr., Suite 102</s1><s2>Goleta, CA 93117</s2><s3>USA</s3><sZ>5 aut.</sZ></inist:fA14></affiliation><affiliation><inist:fA14 i1="05"><s1>Department of Physics, University of California at Santa Barbara</s1><s2>Santa Barbara, CA 93196</s2><s3>USA</s3><sZ>5 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Gal Yam, A" sort="Gal Yam, A" uniqKey="Gal Yam A" first="A." last="Gal-Yam">A. Gal-Yam</name><affiliation><inist:fA14 i1="06"><s1>Department of Particle Physics and Astrophysics, Faculty of Physics, The Weizmann Institute of Science</s1><s2>Rehovot 76100</s2><s3>ISR</s3><sZ>6 aut.</sZ><sZ>7 aut.</sZ><sZ>8 aut.</sZ><sZ>19 aut.</sZ><sZ>21 aut.</sZ><sZ>22 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Arcavi, I" sort="Arcavi, I" uniqKey="Arcavi I" first="I." last="Arcavi">I. Arcavi</name><affiliation><inist:fA14 i1="06"><s1>Department of Particle Physics and Astrophysics, Faculty of Physics, The Weizmann Institute of Science</s1><s2>Rehovot 76100</s2><s3>ISR</s3><sZ>6 aut.</sZ><sZ>7 aut.</sZ><sZ>8 aut.</sZ><sZ>19 aut.</sZ><sZ>21 aut.</sZ><sZ>22 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Ben Ami, S" sort="Ben Ami, S" uniqKey="Ben Ami S" first="S." last="Ben-Ami">S. Ben-Ami</name><affiliation><inist:fA14 i1="06"><s1>Department of Particle Physics and Astrophysics, Faculty of Physics, The Weizmann Institute of Science</s1><s2>Rehovot 76100</s2><s3>ISR</s3><sZ>6 aut.</sZ><sZ>7 aut.</sZ><sZ>8 aut.</sZ><sZ>19 aut.</sZ><sZ>21 aut.</sZ><sZ>22 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Blake, S" sort="Blake, S" uniqKey="Blake S" first="S." last="Blake">S. Blake</name><affiliation><inist:fA14 i1="01"><s1>Department of Physics (Astrophysics), University of Oxford, DWB, Keble Road</s1><s2>Oxford OX1 3RH</s2><s3>GBR</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>9 aut.</sZ><sZ>14 aut.</sZ><sZ>16 aut.</sZ><sZ>18 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Botyanszki, J" sort="Botyanszki, J" uniqKey="Botyanszki J" first="J." last="Botyanszki">J. Botyanszki</name><affiliation><inist:fA14 i1="02"><s1>Computational Cosmology Center, Lawrence Berkeley National Laboratory, 1 Cyclotron Rd.</s1><s2>Berkeley, CA 94720</s2><s3>USA</s3><sZ>3 aut.</sZ><sZ>4 aut.</sZ><sZ>10 aut.</sZ><sZ>20 aut.</sZ><sZ>28 aut.</sZ></inist:fA14></affiliation><affiliation><inist:fA14 i1="07"><s1>Department of Physics, University of California</s1><s2>Berkeley, CA 94720-3411</s2><s3>USA</s3><sZ>10 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Buton, C" sort="Buton, C" uniqKey="Buton C" first="C." last="Buton">C. Buton</name><affiliation><inist:fA14 i1="08"><s1>Physikalisches Institut Universitat Bonn, Nussallee 12</s1><s2>53115 Bonn</s2><s3>DEU</s3><sZ>11 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Cooke, J" sort="Cooke, J" uniqKey="Cooke J" first="J." last="Cooke">J. Cooke</name><affiliation><inist:fA14 i1="09"><s1>Swinburne University, of Technology</s1><s2>Melbourne, Victoria 3122</s2><s3>AUS</s3><sZ>12 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Ellis, R S" sort="Ellis, R S" uniqKey="Ellis R" first="R. S." last="Ellis">R. S. Ellis</name><affiliation><inist:fA14 i1="10"><s1>Cahill Center for Astrophysics, California Institute of Technology</s1><s2>Pasadena, CA 91125</s2><s3>USA</s3><sZ>13 aut.</sZ><sZ>15 aut.</sZ><sZ>25 aut.</sZ><sZ>27 aut.</sZ><sZ>29 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Hook, I M" sort="Hook, I M" uniqKey="Hook I" first="I. M." last="Hook">I. M. Hook</name><affiliation><inist:fA14 i1="01"><s1>Department of Physics (Astrophysics), University of Oxford, DWB, Keble Road</s1><s2>Oxford OX1 3RH</s2><s3>GBR</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>9 aut.</sZ><sZ>14 aut.</sZ><sZ>16 aut.</sZ><sZ>18 aut.</sZ></inist:fA14></affiliation><affiliation><inist:fA14 i1="11"><s1>INAF - Osservatorio Astronomico di Roma, via Frascati 33</s1><s2>00040 Monteporzio (RM)</s2><s3>ITA</s3><sZ>14 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Kasliwal, M M" sort="Kasliwal, M M" uniqKey="Kasliwal M" first="M. M." last="Kasliwal">M. M. Kasliwal</name><affiliation><inist:fA14 i1="10"><s1>Cahill Center for Astrophysics, California Institute of Technology</s1><s2>Pasadena, CA 91125</s2><s3>USA</s3><sZ>13 aut.</sZ><sZ>15 aut.</sZ><sZ>25 aut.</sZ><sZ>27 aut.</sZ><sZ>29 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Pan, Y C" sort="Pan, Y C" uniqKey="Pan Y" first="Y.-C." last="Pan">Y.-C. Pan</name><affiliation><inist:fA14 i1="01"><s1>Department of Physics (Astrophysics), University of Oxford, DWB, Keble Road</s1><s2>Oxford OX1 3RH</s2><s3>GBR</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>9 aut.</sZ><sZ>14 aut.</sZ><sZ>16 aut.</sZ><sZ>18 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Pereira, R" sort="Pereira, R" uniqKey="Pereira R" first="R." last="Pereira">R. Pereira</name><affiliation><inist:fA14 i1="12"><s1>Université de Lyon</s1><s2>69622</s2><s3>FRA</s3><sZ>17 aut.</sZ></inist:fA14></affiliation><affiliation><inist:fA14 i1="13"><s1>Université de Lyon 1, Villeurbanne; CNRS/IN2P3, Institut de Physique Nucléaire de Lyon</s1><s3>FRA</s3><sZ>17 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Podsiadlowski, P" sort="Podsiadlowski, P" uniqKey="Podsiadlowski P" first="P." last="Podsiadlowski">P. Podsiadlowski</name><affiliation><inist:fA14 i1="01"><s1>Department of Physics (Astrophysics), University of Oxford, DWB, Keble Road</s1><s2>Oxford OX1 3RH</s2><s3>GBR</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>9 aut.</sZ><sZ>14 aut.</sZ><sZ>16 aut.</sZ><sZ>18 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Sternberg, A" sort="Sternberg, A" uniqKey="Sternberg A" first="A." last="Sternberg">A. Sternberg</name><affiliation><inist:fA14 i1="06"><s1>Department of Particle Physics and Astrophysics, Faculty of Physics, The Weizmann Institute of Science</s1><s2>Rehovot 76100</s2><s3>ISR</s3><sZ>6 aut.</sZ><sZ>7 aut.</sZ><sZ>8 aut.</sZ><sZ>19 aut.</sZ><sZ>21 aut.</sZ><sZ>22 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Suzuki, N" sort="Suzuki, N" uniqKey="Suzuki N" first="N." last="Suzuki">N. Suzuki</name><affiliation><inist:fA14 i1="02"><s1>Computational Cosmology Center, Lawrence Berkeley National Laboratory, 1 Cyclotron Rd.</s1><s2>Berkeley, CA 94720</s2><s3>USA</s3><sZ>3 aut.</sZ><sZ>4 aut.</sZ><sZ>10 aut.</sZ><sZ>20 aut.</sZ><sZ>28 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Xu, D" sort="Xu, D" uniqKey="Xu D" first="D." last="Xu">D. Xu</name><affiliation><inist:fA14 i1="06"><s1>Department of Particle Physics and Astrophysics, Faculty of Physics, The Weizmann Institute of Science</s1><s2>Rehovot 76100</s2><s3>ISR</s3><sZ>6 aut.</sZ><sZ>7 aut.</sZ><sZ>8 aut.</sZ><sZ>19 aut.</sZ><sZ>21 aut.</sZ><sZ>22 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Yaron, O" sort="Yaron, O" uniqKey="Yaron O" first="O." last="Yaron">O. Yaron</name><affiliation><inist:fA14 i1="06"><s1>Department of Particle Physics and Astrophysics, Faculty of Physics, The Weizmann Institute of Science</s1><s2>Rehovot 76100</s2><s3>ISR</s3><sZ>6 aut.</sZ><sZ>7 aut.</sZ><sZ>8 aut.</sZ><sZ>19 aut.</sZ><sZ>21 aut.</sZ><sZ>22 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Bloom, J S" sort="Bloom, J S" uniqKey="Bloom J" first="J. S." last="Bloom">J. S. Bloom</name><affiliation><inist:fA14 i1="03"><s1>Department of Astronomy, University of California</s1><s2>Berkeley, CA 94720-3411</s2><s3>USA</s3><sZ>3 aut.</sZ><sZ>4 aut.</sZ><sZ>23 aut.</sZ><sZ>24 aut.</sZ><sZ>28 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Cenko, S B" sort="Cenko, S B" uniqKey="Cenko S" first="S. B." last="Cenko">S. B. Cenko</name><affiliation><inist:fA14 i1="03"><s1>Department of Astronomy, University of California</s1><s2>Berkeley, CA 94720-3411</s2><s3>USA</s3><sZ>3 aut.</sZ><sZ>4 aut.</sZ><sZ>23 aut.</sZ><sZ>24 aut.</sZ><sZ>28 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Kulkami, S R" sort="Kulkami, S R" uniqKey="Kulkami S" first="S. R." last="Kulkami">S. R. Kulkami</name><affiliation><inist:fA14 i1="10"><s1>Cahill Center for Astrophysics, California Institute of Technology</s1><s2>Pasadena, CA 91125</s2><s3>USA</s3><sZ>13 aut.</sZ><sZ>15 aut.</sZ><sZ>25 aut.</sZ><sZ>27 aut.</sZ><sZ>29 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Law, N" sort="Law, N" uniqKey="Law N" first="N." last="Law">N. Law</name><affiliation><inist:fA14 i1="14"><s1>Dunlap Institute for Astronomy and Astrophysics, University of Toronto, 50 St George Street</s1><s2>Toronto M5S 3H4, Ontario</s2><s3>CAN</s3><sZ>26 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Ofek, E O" sort="Ofek, E O" uniqKey="Ofek E" first="E. O." last="Ofek">E. O. Ofek</name><affiliation><inist:fA14 i1="10"><s1>Cahill Center for Astrophysics, California Institute of Technology</s1><s2>Pasadena, CA 91125</s2><s3>USA</s3><sZ>13 aut.</sZ><sZ>15 aut.</sZ><sZ>25 aut.</sZ><sZ>27 aut.</sZ><sZ>29 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Poznanski, D" sort="Poznanski, D" uniqKey="Poznanski D" first="D." last="Poznanski">D. Poznanski</name><affiliation><inist:fA14 i1="02"><s1>Computational Cosmology Center, Lawrence Berkeley National Laboratory, 1 Cyclotron Rd.</s1><s2>Berkeley, CA 94720</s2><s3>USA</s3><sZ>3 aut.</sZ><sZ>4 aut.</sZ><sZ>10 aut.</sZ><sZ>20 aut.</sZ><sZ>28 aut.</sZ></inist:fA14></affiliation><affiliation><inist:fA14 i1="03"><s1>Department of Astronomy, University of California</s1><s2>Berkeley, CA 94720-3411</s2><s3>USA</s3><sZ>3 aut.</sZ><sZ>4 aut.</sZ><sZ>23 aut.</sZ><sZ>24 aut.</sZ><sZ>28 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Quimby, R M" sort="Quimby, R M" uniqKey="Quimby R" first="R. M." last="Quimby">R. M. Quimby</name><affiliation><inist:fA14 i1="10"><s1>Cahill Center for Astrophysics, California Institute of Technology</s1><s2>Pasadena, CA 91125</s2><s3>USA</s3><sZ>13 aut.</sZ><sZ>15 aut.</sZ><sZ>25 aut.</sZ><sZ>27 aut.</sZ><sZ>29 aut.</sZ></inist:fA14></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">INIST</idno><idno type="inist">12-0007326</idno><date when="2011">2011</date><idno type="stanalyst">PASCAL 12-0007326 INIST</idno><idno type="RBID">Pascal:12-0007326</idno><idno type="wicri:Area/PascalFrancis/Corpus">001759</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en" level="a">PTF10ops - a subluminous, normal-width light curve Type Ia supernova in the middle of nowhere</title><author><name sortKey="Maguire, K" sort="Maguire, K" uniqKey="Maguire K" first="K." last="Maguire">K. Maguire</name><affiliation><inist:fA14 i1="01"><s1>Department of Physics (Astrophysics), University of Oxford, DWB, Keble Road</s1><s2>Oxford OX1 3RH</s2><s3>GBR</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>9 aut.</sZ><sZ>14 aut.</sZ><sZ>16 aut.</sZ><sZ>18 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Sullivan, M" sort="Sullivan, M" uniqKey="Sullivan M" first="M." last="Sullivan">M. Sullivan</name><affiliation><inist:fA14 i1="01"><s1>Department of Physics (Astrophysics), University of Oxford, DWB, Keble Road</s1><s2>Oxford OX1 3RH</s2><s3>GBR</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>9 aut.</sZ><sZ>14 aut.</sZ><sZ>16 aut.</sZ><sZ>18 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Thomas, R C" sort="Thomas, R C" uniqKey="Thomas R" first="R. C." last="Thomas">R. C. Thomas</name><affiliation><inist:fA14 i1="02"><s1>Computational Cosmology Center, Lawrence Berkeley National Laboratory, 1 Cyclotron Rd.</s1><s2>Berkeley, CA 94720</s2><s3>USA</s3><sZ>3 aut.</sZ><sZ>4 aut.</sZ><sZ>10 aut.</sZ><sZ>20 aut.</sZ><sZ>28 aut.</sZ></inist:fA14></affiliation><affiliation><inist:fA14 i1="03"><s1>Department of Astronomy, University of California</s1><s2>Berkeley, CA 94720-3411</s2><s3>USA</s3><sZ>3 aut.</sZ><sZ>4 aut.</sZ><sZ>23 aut.</sZ><sZ>24 aut.</sZ><sZ>28 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Nugent, P" sort="Nugent, P" uniqKey="Nugent P" first="P." last="Nugent">P. Nugent</name><affiliation><inist:fA14 i1="02"><s1>Computational Cosmology Center, Lawrence Berkeley National Laboratory, 1 Cyclotron Rd.</s1><s2>Berkeley, CA 94720</s2><s3>USA</s3><sZ>3 aut.</sZ><sZ>4 aut.</sZ><sZ>10 aut.</sZ><sZ>20 aut.</sZ><sZ>28 aut.</sZ></inist:fA14></affiliation><affiliation><inist:fA14 i1="03"><s1>Department of Astronomy, University of California</s1><s2>Berkeley, CA 94720-3411</s2><s3>USA</s3><sZ>3 aut.</sZ><sZ>4 aut.</sZ><sZ>23 aut.</sZ><sZ>24 aut.</sZ><sZ>28 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Howell, D A" sort="Howell, D A" uniqKey="Howell D" first="D. A." last="Howell">D. A. Howell</name><affiliation><inist:fA14 i1="04"><s1>Las Cumbres Observatory Global Telescope Network, 6740 Cortona Dr., Suite 102</s1><s2>Goleta, CA 93117</s2><s3>USA</s3><sZ>5 aut.</sZ></inist:fA14></affiliation><affiliation><inist:fA14 i1="05"><s1>Department of Physics, University of California at Santa Barbara</s1><s2>Santa Barbara, CA 93196</s2><s3>USA</s3><sZ>5 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Gal Yam, A" sort="Gal Yam, A" uniqKey="Gal Yam A" first="A." last="Gal-Yam">A. Gal-Yam</name><affiliation><inist:fA14 i1="06"><s1>Department of Particle Physics and Astrophysics, Faculty of Physics, The Weizmann Institute of Science</s1><s2>Rehovot 76100</s2><s3>ISR</s3><sZ>6 aut.</sZ><sZ>7 aut.</sZ><sZ>8 aut.</sZ><sZ>19 aut.</sZ><sZ>21 aut.</sZ><sZ>22 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Arcavi, I" sort="Arcavi, I" uniqKey="Arcavi I" first="I." last="Arcavi">I. Arcavi</name><affiliation><inist:fA14 i1="06"><s1>Department of Particle Physics and Astrophysics, Faculty of Physics, The Weizmann Institute of Science</s1><s2>Rehovot 76100</s2><s3>ISR</s3><sZ>6 aut.</sZ><sZ>7 aut.</sZ><sZ>8 aut.</sZ><sZ>19 aut.</sZ><sZ>21 aut.</sZ><sZ>22 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Ben Ami, S" sort="Ben Ami, S" uniqKey="Ben Ami S" first="S." last="Ben-Ami">S. Ben-Ami</name><affiliation><inist:fA14 i1="06"><s1>Department of Particle Physics and Astrophysics, Faculty of Physics, The Weizmann Institute of Science</s1><s2>Rehovot 76100</s2><s3>ISR</s3><sZ>6 aut.</sZ><sZ>7 aut.</sZ><sZ>8 aut.</sZ><sZ>19 aut.</sZ><sZ>21 aut.</sZ><sZ>22 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Blake, S" sort="Blake, S" uniqKey="Blake S" first="S." last="Blake">S. Blake</name><affiliation><inist:fA14 i1="01"><s1>Department of Physics (Astrophysics), University of Oxford, DWB, Keble Road</s1><s2>Oxford OX1 3RH</s2><s3>GBR</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>9 aut.</sZ><sZ>14 aut.</sZ><sZ>16 aut.</sZ><sZ>18 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Botyanszki, J" sort="Botyanszki, J" uniqKey="Botyanszki J" first="J." last="Botyanszki">J. Botyanszki</name><affiliation><inist:fA14 i1="02"><s1>Computational Cosmology Center, Lawrence Berkeley National Laboratory, 1 Cyclotron Rd.</s1><s2>Berkeley, CA 94720</s2><s3>USA</s3><sZ>3 aut.</sZ><sZ>4 aut.</sZ><sZ>10 aut.</sZ><sZ>20 aut.</sZ><sZ>28 aut.</sZ></inist:fA14></affiliation><affiliation><inist:fA14 i1="07"><s1>Department of Physics, University of California</s1><s2>Berkeley, CA 94720-3411</s2><s3>USA</s3><sZ>10 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Buton, C" sort="Buton, C" uniqKey="Buton C" first="C." last="Buton">C. Buton</name><affiliation><inist:fA14 i1="08"><s1>Physikalisches Institut Universitat Bonn, Nussallee 12</s1><s2>53115 Bonn</s2><s3>DEU</s3><sZ>11 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Cooke, J" sort="Cooke, J" uniqKey="Cooke J" first="J." last="Cooke">J. Cooke</name><affiliation><inist:fA14 i1="09"><s1>Swinburne University, of Technology</s1><s2>Melbourne, Victoria 3122</s2><s3>AUS</s3><sZ>12 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Ellis, R S" sort="Ellis, R S" uniqKey="Ellis R" first="R. S." last="Ellis">R. S. Ellis</name><affiliation><inist:fA14 i1="10"><s1>Cahill Center for Astrophysics, California Institute of Technology</s1><s2>Pasadena, CA 91125</s2><s3>USA</s3><sZ>13 aut.</sZ><sZ>15 aut.</sZ><sZ>25 aut.</sZ><sZ>27 aut.</sZ><sZ>29 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Hook, I M" sort="Hook, I M" uniqKey="Hook I" first="I. M." last="Hook">I. M. Hook</name><affiliation><inist:fA14 i1="01"><s1>Department of Physics (Astrophysics), University of Oxford, DWB, Keble Road</s1><s2>Oxford OX1 3RH</s2><s3>GBR</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>9 aut.</sZ><sZ>14 aut.</sZ><sZ>16 aut.</sZ><sZ>18 aut.</sZ></inist:fA14></affiliation><affiliation><inist:fA14 i1="11"><s1>INAF - Osservatorio Astronomico di Roma, via Frascati 33</s1><s2>00040 Monteporzio (RM)</s2><s3>ITA</s3><sZ>14 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Kasliwal, M M" sort="Kasliwal, M M" uniqKey="Kasliwal M" first="M. M." last="Kasliwal">M. M. Kasliwal</name><affiliation><inist:fA14 i1="10"><s1>Cahill Center for Astrophysics, California Institute of Technology</s1><s2>Pasadena, CA 91125</s2><s3>USA</s3><sZ>13 aut.</sZ><sZ>15 aut.</sZ><sZ>25 aut.</sZ><sZ>27 aut.</sZ><sZ>29 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Pan, Y C" sort="Pan, Y C" uniqKey="Pan Y" first="Y.-C." last="Pan">Y.-C. Pan</name><affiliation><inist:fA14 i1="01"><s1>Department of Physics (Astrophysics), University of Oxford, DWB, Keble Road</s1><s2>Oxford OX1 3RH</s2><s3>GBR</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>9 aut.</sZ><sZ>14 aut.</sZ><sZ>16 aut.</sZ><sZ>18 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Pereira, R" sort="Pereira, R" uniqKey="Pereira R" first="R." last="Pereira">R. Pereira</name><affiliation><inist:fA14 i1="12"><s1>Université de Lyon</s1><s2>69622</s2><s3>FRA</s3><sZ>17 aut.</sZ></inist:fA14></affiliation><affiliation><inist:fA14 i1="13"><s1>Université de Lyon 1, Villeurbanne; CNRS/IN2P3, Institut de Physique Nucléaire de Lyon</s1><s3>FRA</s3><sZ>17 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Podsiadlowski, P" sort="Podsiadlowski, P" uniqKey="Podsiadlowski P" first="P." last="Podsiadlowski">P. Podsiadlowski</name><affiliation><inist:fA14 i1="01"><s1>Department of Physics (Astrophysics), University of Oxford, DWB, Keble Road</s1><s2>Oxford OX1 3RH</s2><s3>GBR</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>9 aut.</sZ><sZ>14 aut.</sZ><sZ>16 aut.</sZ><sZ>18 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Sternberg, A" sort="Sternberg, A" uniqKey="Sternberg A" first="A." last="Sternberg">A. Sternberg</name><affiliation><inist:fA14 i1="06"><s1>Department of Particle Physics and Astrophysics, Faculty of Physics, The Weizmann Institute of Science</s1><s2>Rehovot 76100</s2><s3>ISR</s3><sZ>6 aut.</sZ><sZ>7 aut.</sZ><sZ>8 aut.</sZ><sZ>19 aut.</sZ><sZ>21 aut.</sZ><sZ>22 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Suzuki, N" sort="Suzuki, N" uniqKey="Suzuki N" first="N." last="Suzuki">N. Suzuki</name><affiliation><inist:fA14 i1="02"><s1>Computational Cosmology Center, Lawrence Berkeley National Laboratory, 1 Cyclotron Rd.</s1><s2>Berkeley, CA 94720</s2><s3>USA</s3><sZ>3 aut.</sZ><sZ>4 aut.</sZ><sZ>10 aut.</sZ><sZ>20 aut.</sZ><sZ>28 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Xu, D" sort="Xu, D" uniqKey="Xu D" first="D." last="Xu">D. Xu</name><affiliation><inist:fA14 i1="06"><s1>Department of Particle Physics and Astrophysics, Faculty of Physics, The Weizmann Institute of Science</s1><s2>Rehovot 76100</s2><s3>ISR</s3><sZ>6 aut.</sZ><sZ>7 aut.</sZ><sZ>8 aut.</sZ><sZ>19 aut.</sZ><sZ>21 aut.</sZ><sZ>22 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Yaron, O" sort="Yaron, O" uniqKey="Yaron O" first="O." last="Yaron">O. Yaron</name><affiliation><inist:fA14 i1="06"><s1>Department of Particle Physics and Astrophysics, Faculty of Physics, The Weizmann Institute of Science</s1><s2>Rehovot 76100</s2><s3>ISR</s3><sZ>6 aut.</sZ><sZ>7 aut.</sZ><sZ>8 aut.</sZ><sZ>19 aut.</sZ><sZ>21 aut.</sZ><sZ>22 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Bloom, J S" sort="Bloom, J S" uniqKey="Bloom J" first="J. S." last="Bloom">J. S. Bloom</name><affiliation><inist:fA14 i1="03"><s1>Department of Astronomy, University of California</s1><s2>Berkeley, CA 94720-3411</s2><s3>USA</s3><sZ>3 aut.</sZ><sZ>4 aut.</sZ><sZ>23 aut.</sZ><sZ>24 aut.</sZ><sZ>28 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Cenko, S B" sort="Cenko, S B" uniqKey="Cenko S" first="S. B." last="Cenko">S. B. Cenko</name><affiliation><inist:fA14 i1="03"><s1>Department of Astronomy, University of California</s1><s2>Berkeley, CA 94720-3411</s2><s3>USA</s3><sZ>3 aut.</sZ><sZ>4 aut.</sZ><sZ>23 aut.</sZ><sZ>24 aut.</sZ><sZ>28 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Kulkami, S R" sort="Kulkami, S R" uniqKey="Kulkami S" first="S. R." last="Kulkami">S. R. Kulkami</name><affiliation><inist:fA14 i1="10"><s1>Cahill Center for Astrophysics, California Institute of Technology</s1><s2>Pasadena, CA 91125</s2><s3>USA</s3><sZ>13 aut.</sZ><sZ>15 aut.</sZ><sZ>25 aut.</sZ><sZ>27 aut.</sZ><sZ>29 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Law, N" sort="Law, N" uniqKey="Law N" first="N." last="Law">N. Law</name><affiliation><inist:fA14 i1="14"><s1>Dunlap Institute for Astronomy and Astrophysics, University of Toronto, 50 St George Street</s1><s2>Toronto M5S 3H4, Ontario</s2><s3>CAN</s3><sZ>26 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Ofek, E O" sort="Ofek, E O" uniqKey="Ofek E" first="E. O." last="Ofek">E. O. Ofek</name><affiliation><inist:fA14 i1="10"><s1>Cahill Center for Astrophysics, California Institute of Technology</s1><s2>Pasadena, CA 91125</s2><s3>USA</s3><sZ>13 aut.</sZ><sZ>15 aut.</sZ><sZ>25 aut.</sZ><sZ>27 aut.</sZ><sZ>29 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Poznanski, D" sort="Poznanski, D" uniqKey="Poznanski D" first="D." last="Poznanski">D. Poznanski</name><affiliation><inist:fA14 i1="02"><s1>Computational Cosmology Center, Lawrence Berkeley National Laboratory, 1 Cyclotron Rd.</s1><s2>Berkeley, CA 94720</s2><s3>USA</s3><sZ>3 aut.</sZ><sZ>4 aut.</sZ><sZ>10 aut.</sZ><sZ>20 aut.</sZ><sZ>28 aut.</sZ></inist:fA14></affiliation><affiliation><inist:fA14 i1="03"><s1>Department of Astronomy, University of California</s1><s2>Berkeley, CA 94720-3411</s2><s3>USA</s3><sZ>3 aut.</sZ><sZ>4 aut.</sZ><sZ>23 aut.</sZ><sZ>24 aut.</sZ><sZ>28 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Quimby, R M" sort="Quimby, R M" uniqKey="Quimby R" first="R. M." last="Quimby">R. M. Quimby</name><affiliation><inist:fA14 i1="10"><s1>Cahill Center for Astrophysics, California Institute of Technology</s1><s2>Pasadena, CA 91125</s2><s3>USA</s3><sZ>13 aut.</sZ><sZ>15 aut.</sZ><sZ>25 aut.</sZ><sZ>27 aut.</sZ><sZ>29 aut.</sZ></inist:fA14></affiliation></author></analytic><series><title level="j" type="main">Monthly Notices of the Royal Astronomical Society</title><title level="j" type="abbreviated">Mon. Not. R. Astron. Soc.</title><idno type="ISSN">0035-8711</idno><imprint><date when="2011">2011</date></imprint></series></biblStruct></sourceDesc><seriesStmt><title level="j" type="main">Monthly Notices of the Royal Astronomical Society</title><title level="j" type="abbreviated">Mon. Not. R. Astron. Soc.</title><idno type="ISSN">0035-8711</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Absolute magnitude</term><term>Classification</term><term>Galaxies</term><term>Light curves</term><term>Luminosity</term><term>Metallicity</term><term>Models</term><term>Optical spectrum</term><term>Positions</term><term>Red shift</term><term>Spectral properties</term><term>Type I supernova</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>Courbe lumière</term><term>Supernova type I</term><term>Propriété spectrale</term><term>Classification</term><term>Luminosité</term><term>Spectre optique</term><term>Galaxies</term><term>Position</term><term>Magnitude absolue</term><term>Déplacement vers le rouge</term><term>Métallicité</term><term>Modèle</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">PTF10ops is a Type Ia supernova (SN Ia), whose light curve and spectral properties place it outside the current SN Ia subtype classifications. Its spectra display the characteristic lines of subluminous SNe Ia, but it has a normal-width light curve with a long rise time, typical of normal-luminosity SNe Ia. The early-time optical spectra of PTF10ops were modelled using a spectral fitting code and found to have all the lines typically seen in subluminous SNe Ia, without the need to invoke more uncommon elements. The host galaxy environment of PTF10ops is also unusual with no galaxy detected at the position of the SN down to an absolute limiting magnitude of r ≥ -12.0 mag, but a very massive galaxy is present at a separation of ∼148 kpc and at the same redshift as suggested by the SN spectral features. The progenitor of PTFlOops is most likely a very old star, possibly in a low-metallicity environment, which affects its explosion mechanism and observational characteristics. PTFlOops does not easily fit into any of the current models of either subluminous or normal SN Ia progenitor channels.</div></front></TEI><inist><standard h6="B"><pA><fA01 i1="01" i2="1"><s0>0035-8711</s0></fA01><fA02 i1="01"><s0>MNRAA4</s0></fA02><fA03 i2="1"><s0>Mon. Not. R. Astron. Soc.</s0></fA03><fA05><s2>418</s2></fA05><fA06><s2>2</s2></fA06><fA08 i1="01" i2="1" l="ENG"><s1>PTF10ops - a subluminous, normal-width light curve Type Ia supernova in the middle of nowhere</s1></fA08><fA11 i1="01" i2="1"><s1>MAGUIRE (K.)</s1></fA11><fA11 i1="02" i2="1"><s1>SULLIVAN (M.)</s1></fA11><fA11 i1="03" i2="1"><s1>THOMAS (R. C.)</s1></fA11><fA11 i1="04" i2="1"><s1>NUGENT (P.)</s1></fA11><fA11 i1="05" i2="1"><s1>HOWELL (D. A.)</s1></fA11><fA11 i1="06" i2="1"><s1>GAL-YAM (A.)</s1></fA11><fA11 i1="07" i2="1"><s1>ARCAVI (I.)</s1></fA11><fA11 i1="08" i2="1"><s1>BEN-AMI (S.)</s1></fA11><fA11 i1="09" i2="1"><s1>BLAKE (S.)</s1></fA11><fA11 i1="10" i2="1"><s1>BOTYANSZKI (J.)</s1></fA11><fA11 i1="11" i2="1"><s1>BUTON (C.)</s1></fA11><fA11 i1="12" i2="1"><s1>COOKE (J.)</s1></fA11><fA11 i1="13" i2="1"><s1>ELLIS (R. S.)</s1></fA11><fA11 i1="14" i2="1"><s1>HOOK (I. M.)</s1></fA11><fA11 i1="15" i2="1"><s1>KASLIWAL (M. M.)</s1></fA11><fA11 i1="16" i2="1"><s1>PAN (Y.-C.)</s1></fA11><fA11 i1="17" i2="1"><s1>PEREIRA (R.)</s1></fA11><fA11 i1="18" i2="1"><s1>PODSIADLOWSKI (P.)</s1></fA11><fA11 i1="19" i2="1"><s1>STERNBERG (A.)</s1></fA11><fA11 i1="20" i2="1"><s1>SUZUKI (N.)</s1></fA11><fA11 i1="21" i2="1"><s1>XU (D.)</s1></fA11><fA11 i1="22" i2="1"><s1>YARON (O.)</s1></fA11><fA11 i1="23" i2="1"><s1>BLOOM (J. S.)</s1></fA11><fA11 i1="24" i2="1"><s1>CENKO (S. B.)</s1></fA11><fA11 i1="25" i2="1"><s1>KULKAMI (S. R.)</s1></fA11><fA11 i1="26" i2="1"><s1>LAW (N.)</s1></fA11><fA11 i1="27" i2="1"><s1>OFEK (E. O.)</s1></fA11><fA11 i1="28" i2="1"><s1>POZNANSKI (D.)</s1></fA11><fA11 i1="29" i2="1"><s1>QUIMBY (R. M.)</s1></fA11><fA14 i1="01"><s1>Department of Physics (Astrophysics), University of Oxford, DWB, Keble Road</s1><s2>Oxford OX1 3RH</s2><s3>GBR</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>9 aut.</sZ><sZ>14 aut.</sZ><sZ>16 aut.</sZ><sZ>18 aut.</sZ></fA14><fA14 i1="02"><s1>Computational Cosmology Center, Lawrence Berkeley National Laboratory, 1 Cyclotron Rd.</s1><s2>Berkeley, CA 94720</s2><s3>USA</s3><sZ>3 aut.</sZ><sZ>4 aut.</sZ><sZ>10 aut.</sZ><sZ>20 aut.</sZ><sZ>28 aut.</sZ></fA14><fA14 i1="03"><s1>Department of Astronomy, University of California</s1><s2>Berkeley, CA 94720-3411</s2><s3>USA</s3><sZ>3 aut.</sZ><sZ>4 aut.</sZ><sZ>23 aut.</sZ><sZ>24 aut.</sZ><sZ>28 aut.</sZ></fA14><fA14 i1="04"><s1>Las Cumbres Observatory Global Telescope Network, 6740 Cortona Dr., Suite 102</s1><s2>Goleta, CA 93117</s2><s3>USA</s3><sZ>5 aut.</sZ></fA14><fA14 i1="05"><s1>Department of Physics, University of California at Santa Barbara</s1><s2>Santa Barbara, CA 93196</s2><s3>USA</s3><sZ>5 aut.</sZ></fA14><fA14 i1="06"><s1>Department of Particle Physics and Astrophysics, Faculty of Physics, The Weizmann Institute of Science</s1><s2>Rehovot 76100</s2><s3>ISR</s3><sZ>6 aut.</sZ><sZ>7 aut.</sZ><sZ>8 aut.</sZ><sZ>19 aut.</sZ><sZ>21 aut.</sZ><sZ>22 aut.</sZ></fA14><fA14 i1="07"><s1>Department of Physics, University of California</s1><s2>Berkeley, CA 94720-3411</s2><s3>USA</s3><sZ>10 aut.</sZ></fA14><fA14 i1="08"><s1>Physikalisches Institut Universitat Bonn, Nussallee 12</s1><s2>53115 Bonn</s2><s3>DEU</s3><sZ>11 aut.</sZ></fA14><fA14 i1="09"><s1>Swinburne University, of Technology</s1><s2>Melbourne, Victoria 3122</s2><s3>AUS</s3><sZ>12 aut.</sZ></fA14><fA14 i1="10"><s1>Cahill Center for Astrophysics, California Institute of Technology</s1><s2>Pasadena, CA 91125</s2><s3>USA</s3><sZ>13 aut.</sZ><sZ>15 aut.</sZ><sZ>25 aut.</sZ><sZ>27 aut.</sZ><sZ>29 aut.</sZ></fA14><fA14 i1="11"><s1>INAF - Osservatorio Astronomico di Roma, via Frascati 33</s1><s2>00040 Monteporzio (RM)</s2><s3>ITA</s3><sZ>14 aut.</sZ></fA14><fA14 i1="12"><s1>Université de Lyon</s1><s2>69622</s2><s3>FRA</s3><sZ>17 aut.</sZ></fA14><fA14 i1="13"><s1>Université de Lyon 1, Villeurbanne; CNRS/IN2P3, Institut de Physique Nucléaire de Lyon</s1><s3>FRA</s3><sZ>17 aut.</sZ></fA14><fA14 i1="14"><s1>Dunlap Institute for Astronomy and Astrophysics, University of Toronto, 50 St George Street</s1><s2>Toronto M5S 3H4, Ontario</s2><s3>CAN</s3><sZ>26 aut.</sZ></fA14><fA20><s1>747-758</s1></fA20><fA21><s1>2011</s1></fA21><fA23 i1="01"><s0>ENG</s0></fA23><fA43 i1="01"><s1>INIST</s1><s2>2067</s2><s5>354000505646090030</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>12-0007326</s0></fA47><fA60><s1>P</s1></fA60><fA61><s0>A</s0></fA61><fA64 i1="01" i2="1"><s0>Monthly Notices of the Royal Astronomical Society</s0></fA64><fA66 i1="01"><s0>USA</s0></fA66><fC01 i1="01" l="ENG"><s0>PTF10ops is a Type Ia supernova (SN Ia), whose light curve and spectral properties place it outside the current SN Ia subtype classifications. Its spectra display the characteristic lines of subluminous SNe Ia, but it has a normal-width light curve with a long rise time, typical of normal-luminosity SNe Ia. The early-time optical spectra of PTF10ops were modelled using a spectral fitting code and found to have all the lines typically seen in subluminous SNe Ia, without the need to invoke more uncommon elements. The host galaxy environment of PTF10ops is also unusual with no galaxy detected at the position of the SN down to an absolute limiting magnitude of r ≥ -12.0 mag, but a very massive galaxy is present at a separation of ∼148 kpc and at the same redshift as suggested by the SN spectral features. The progenitor of PTFlOops is most likely a very old star, possibly in a low-metallicity environment, which affects its explosion mechanism and observational characteristics. PTFlOops does not easily fit into any of the current models of either subluminous or normal SN Ia progenitor channels.</s0></fC01><fC02 i1="01" i2="3"><s0>001E03</s0></fC02><fC03 i1="01" i2="3" l="FRE"><s0>Courbe lumière</s0><s5>26</s5></fC03><fC03 i1="01" i2="3" l="ENG"><s0>Light curves</s0><s5>26</s5></fC03><fC03 i1="02" i2="X" l="FRE"><s0>Supernova type I</s0><s5>27</s5></fC03><fC03 i1="02" i2="X" l="ENG"><s0>Type I supernova</s0><s5>27</s5></fC03><fC03 i1="02" i2="X" l="SPA"><s0>Supernova tipo I</s0><s5>27</s5></fC03><fC03 i1="03" i2="X" l="FRE"><s0>Propriété spectrale</s0><s5>28</s5></fC03><fC03 i1="03" i2="X" l="ENG"><s0>Spectral properties</s0><s5>28</s5></fC03><fC03 i1="03" i2="X" l="SPA"><s0>Propiedad espectral</s0><s5>28</s5></fC03><fC03 i1="04" i2="3" l="FRE"><s0>Classification</s0><s5>29</s5></fC03><fC03 i1="04" i2="3" l="ENG"><s0>Classification</s0><s5>29</s5></fC03><fC03 i1="05" i2="3" l="FRE"><s0>Luminosité</s0><s5>30</s5></fC03><fC03 i1="05" i2="3" l="ENG"><s0>Luminosity</s0><s5>30</s5></fC03><fC03 i1="06" i2="X" l="FRE"><s0>Spectre optique</s0><s5>31</s5></fC03><fC03 i1="06" i2="X" l="ENG"><s0>Optical spectrum</s0><s5>31</s5></fC03><fC03 i1="06" i2="X" l="SPA"><s0>Espectro óptico</s0><s5>31</s5></fC03><fC03 i1="07" i2="3" l="FRE"><s0>Galaxies</s0><s5>32</s5></fC03><fC03 i1="07" i2="3" l="ENG"><s0>Galaxies</s0><s5>32</s5></fC03><fC03 i1="08" i2="3" l="FRE"><s0>Position</s0><s5>33</s5></fC03><fC03 i1="08" i2="3" l="ENG"><s0>Positions</s0><s5>33</s5></fC03><fC03 i1="09" i2="X" l="FRE"><s0>Magnitude absolue</s0><s5>34</s5></fC03><fC03 i1="09" i2="X" l="ENG"><s0>Absolute magnitude</s0><s5>34</s5></fC03><fC03 i1="09" i2="X" l="SPA"><s0>Magnitud absoluta</s0><s5>34</s5></fC03><fC03 i1="10" i2="3" l="FRE"><s0>Déplacement vers le rouge</s0><s5>35</s5></fC03><fC03 i1="10" i2="3" l="ENG"><s0>Red shift</s0><s5>35</s5></fC03><fC03 i1="11" i2="X" l="FRE"><s0>Métallicité</s0><s5>36</s5></fC03><fC03 i1="11" i2="X" l="ENG"><s0>Metallicity</s0><s5>36</s5></fC03><fC03 i1="11" i2="X" l="SPA"><s0>Metalicidad</s0><s5>36</s5></fC03><fC03 i1="12" i2="X" l="FRE"><s0>Modèle</s0><s5>37</s5></fC03><fC03 i1="12" i2="X" l="ENG"><s0>Models</s0><s5>37</s5></fC03><fC03 i1="12" i2="X" l="SPA"><s0>Modelo</s0><s5>37</s5></fC03><fN21><s1>002</s1></fN21><fN44 i1="01"><s1>OTO</s1></fN44><fN82><s1>OTO</s1></fN82></pA></standard><server><NO>PASCAL 12-0007326 INIST</NO><ET>PTF10ops - a subluminous, normal-width light curve Type Ia supernova in the middle of nowhere</ET><AU>MAGUIRE (K.); SULLIVAN (M.); THOMAS (R. C.); NUGENT (P.); HOWELL (D. A.); GAL-YAM (A.); ARCAVI (I.); BEN-AMI (S.); BLAKE (S.); BOTYANSZKI (J.); BUTON (C.); COOKE (J.); ELLIS (R. S.); HOOK (I. M.); KASLIWAL (M. M.); PAN (Y.-C.); PEREIRA (R.); PODSIADLOWSKI (P.); STERNBERG (A.); SUZUKI (N.); XU (D.); YARON (O.); BLOOM (J. S.); CENKO (S. B.); KULKAMI (S. R.); LAW (N.); OFEK (E. O.); POZNANSKI (D.); QUIMBY (R. M.)</AU><AF>Department of Physics (Astrophysics), University of Oxford, DWB, Keble Road/Oxford OX1 3RH/Royaume-Uni (1 aut., 2 aut., 9 aut., 14 aut., 16 aut., 18 aut.); Computational Cosmology Center, Lawrence Berkeley National Laboratory, 1 Cyclotron Rd./Berkeley, CA 94720/Etats-Unis (3 aut., 4 aut., 10 aut., 20 aut., 28 aut.); Department of Astronomy, University of California/Berkeley, CA 94720-3411/Etats-Unis (3 aut., 4 aut., 23 aut., 24 aut., 28 aut.); Las Cumbres Observatory Global Telescope Network, 6740 Cortona Dr., Suite 102/Goleta, CA 93117/Etats-Unis (5 aut.); Department of Physics, University of California at Santa Barbara/Santa Barbara, CA 93196/Etats-Unis (5 aut.); Department of Particle Physics and Astrophysics, Faculty of Physics, The Weizmann Institute of Science/Rehovot 76100/Israël (6 aut., 7 aut., 8 aut., 19 aut., 21 aut., 22 aut.); Department of Physics, University of California/Berkeley, CA 94720-3411/Etats-Unis (10 aut.); Physikalisches Institut Universitat Bonn, Nussallee 12/53115 Bonn/Allemagne (11 aut.); Swinburne University, of Technology/Melbourne, Victoria 3122/Australie (12 aut.); Cahill Center for Astrophysics, California Institute of Technology/Pasadena, CA 91125/Etats-Unis (13 aut., 15 aut., 25 aut., 27 aut., 29 aut.); INAF - Osservatorio Astronomico di Roma, via Frascati 33/00040 Monteporzio (RM)/Italie (14 aut.); Université de Lyon/69622/France (17 aut.); Université de Lyon 1, Villeurbanne; CNRS/IN2P3, Institut de Physique Nucléaire de Lyon/France (17 aut.); Dunlap Institute for Astronomy and Astrophysics, University of Toronto, 50 St George Street/Toronto M5S 3H4, Ontario/Canada (26 aut.)</AF><DT>Publication en série; Niveau analytique</DT><SO>Monthly Notices of the Royal Astronomical Society; ISSN 0035-8711; Coden MNRAA4; Etats-Unis; Da. 2011; Vol. 418; No. 2; Pp. 747-758; Bibl. 3/4 p.</SO><LA>Anglais</LA><EA>PTF10ops is a Type Ia supernova (SN Ia), whose light curve and spectral properties place it outside the current SN Ia subtype classifications. Its spectra display the characteristic lines of subluminous SNe Ia, but it has a normal-width light curve with a long rise time, typical of normal-luminosity SNe Ia. The early-time optical spectra of PTF10ops were modelled using a spectral fitting code and found to have all the lines typically seen in subluminous SNe Ia, without the need to invoke more uncommon elements. The host galaxy environment of PTF10ops is also unusual with no galaxy detected at the position of the SN down to an absolute limiting magnitude of r ≥ -12.0 mag, but a very massive galaxy is present at a separation of ∼148 kpc and at the same redshift as suggested by the SN spectral features. The progenitor of PTFlOops is most likely a very old star, possibly in a low-metallicity environment, which affects its explosion mechanism and observational characteristics. PTFlOops does not easily fit into any of the current models of either subluminous or normal SN Ia progenitor channels.</EA><CC>001E03</CC><FD>Courbe lumière; Supernova type I; Propriété spectrale; Classification; Luminosité; Spectre optique; Galaxies; Position; Magnitude absolue; Déplacement vers le rouge; Métallicité; Modèle</FD><ED>Light curves; Type I supernova; Spectral properties; Classification; Luminosity; Optical spectrum; Galaxies; Positions; Absolute magnitude; Red shift; Metallicity; Models</ED><SD>Supernova tipo I; Propiedad espectral; Espectro óptico; Magnitud absoluta; Metalicidad; Modelo</SD><LO>INIST-2067.354000505646090030</LO><ID>12-0007326</ID></server></inist></record>Pour manipuler ce document sous Unix (Dilib)
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