The Supernova Legacy Survey 3-year sample: Type la supernovae photometric distances and cosmological constraints
Identifieur interne : 003F74 ( PascalFrancis/Curation ); précédent : 003F73; suivant : 003F75The Supernova Legacy Survey 3-year sample: Type la supernovae photometric distances and cosmological constraints
Auteurs : J. Guy [France] ; M. Sullivan [Royaume-Uni] ; A. Conley [États-Unis, Canada] ; N. Regnault [France] ; P. Astier [France] ; C. Balland [France] ; S. Basa [France] ; R. G. Carlberg [Canada] ; D. Fouchez [France] ; D. Hardin [France] ; I. M. Hook [Royaume-Uni, Italie] ; D. A. Howell [États-Unis] ; R. Pain [France] ; N. Palanque-Delabrouille [France] ; K. M. Perrett [Canada] ; C. J. Pritchet [Canada] ; J. Rich [France] ; V. Ruhlmann-Kleider [France] ; D. Balam [Canada] ; S. Baumont [France] ; R. S. Ellis [Royaume-Uni, États-Unis] ; S. Fabbro [Canada, Portugal] ; H. K. Fakhouri [États-Unis] ; N. Fourrnanoit [France] ; S. Gonzalez-Gaitan [Canada] ; M. L. Graham [Canada] ; E. Hsiao [États-Unis] ; T. Kronborg [France] ; C. Lidman [Australie] ; A. M. Mourao [Portugal] ; S. Perlmutter [États-Unis] ; P. Ripoche [France, États-Unis] ; N. Suzuki [États-Unis] ; E. S. Walker [Royaume-Uni, Italie]Source :
- Astronomy and astrophysics : (Berlin. Print) [ 0004-6361 ] ; 2010.
Descripteurs français
- Pascal (Inist)
- Wicri :
- topic : Spectrométrie, Cosmologie.
English descriptors
- KwdEn :
Abstract
Aims. We present photometric properties and distance measurements of 252 high redshift Type Ia supernovae (0.15 < z < 1.1) discovered during the first three years of the Supernova Legacy Survey (SNLS). These events were detected and their multi-colour light curves measured using the MegaPrime/MegaCam instrument at the Canada-France-Hawaii Telescope (CFHT), by repeatedly imaging four one-square degree fields in four bands. Follow-up spectroscopy was performed at the VLT, Gemini and Keck telescopes to confirm the nature of the supernovae and to measure their redshifts. Methods. Systematic uncertainties arising from light curve modeling are studied, making use of two techniques to derive the peak magnitude, shape and colour of the supernovae, and taking advantage of a precise calibration of the SNLS fields. Results. A flat ACDM cosmological fit to 231 SNLS high redshift type Ia supernovae alone gives ΩM = 0.211 ± 0.034(stat) ± 0.069(sys). The dominant systematic uncertainty comes from uncertainties in the photometric calibration. Systematic uncertainties from light curve fitters come next with a total contribution of ±0.026 on ΩM. No clear evidence is found for a possible evolution of the slope (β) of the colour-luminosity relation with redshift.
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Sullivan</name><affiliation wicri:level="1"><inist:fA14 i1="02"><s1>Department of Physics (Astrophysics), University of Oxford, DWB, Keble Road</s1><s2>Oxford OX1 3RH</s2><s3>GBR</s3><sZ>2 aut.</sZ><sZ>11 aut.</sZ><sZ>21 aut.</sZ><sZ>34 aut.</sZ></inist:fA14><country>Royaume-Uni</country></affiliation></author><author><name sortKey="Conley, A" sort="Conley, A" uniqKey="Conley A" first="A." last="Conley">A. 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Pain</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>PNHE, CNRS/IN2P3, Université Pierre et Marie Curie Paris 6, Université Denis Diderot Paris 7, 4 place Jussieu</s1><s2>75252 Paris</s2><s3>FRA</s3><sZ>1 aut.</sZ><sZ>4 aut.</sZ><sZ>5 aut.</sZ><sZ>6 aut.</sZ><sZ>10 aut.</sZ><sZ>13 aut.</sZ><sZ>24 aut.</sZ><sZ>28 aut.</sZ><sZ>32 aut.</sZ></inist:fA14><country>France</country></affiliation></author><author><name sortKey="Palanque Delabrouille, N" sort="Palanque Delabrouille, N" uniqKey="Palanque Delabrouille N" first="N." last="Palanque-Delabrouille">N. Palanque-Delabrouille</name><affiliation wicri:level="1"><inist:fA14 i1="11"><s1>CEA, Centre de Saclay, Irfu/SPP</s1><s2>91191 Gif-sur-Yvette</s2><s3>FRA</s3><sZ>14 aut.</sZ><sZ>17 aut.</sZ><sZ>18 aut.</sZ></inist:fA14><country>France</country></affiliation></author><author><name sortKey="Perrett, K M" sort="Perrett, K M" uniqKey="Perrett K" first="K. M." last="Perrett">K. M. Perrett</name><affiliation wicri:level="1"><inist:fA14 i1="04"><s1>Department of Astronomy and Astrophysics, University of Toronto, 50 St. George Street</s1><s2>Toronto ON M5S 3H4</s2><s3>CAN</s3><sZ>3 aut.</sZ><sZ>8 aut.</sZ><sZ>15 aut.</sZ><sZ>25 aut.</sZ></inist:fA14><country>Canada</country></affiliation><affiliation wicri:level="1"><inist:fA14 i1="12"><s1>Network Information Operations, DRDC-Ottawa, 3701 Carling Avenue</s1><s2>Ottawa, ON, K1A 0Z4</s2><s3>CAN</s3><sZ>15 aut.</sZ></inist:fA14><country>Canada</country></affiliation></author><author><name sortKey="Pritchet, C J" sort="Pritchet, C J" uniqKey="Pritchet C" first="C. J." last="Pritchet">C. J. Pritchet</name><affiliation wicri:level="1"><inist:fA14 i1="13"><s1>Department of Physics and Astronomy, University of Victoria, PO Box 3055 STN CSC</s1><s2>Victoria BC V8T 1M8</s2><s3>CAN</s3><sZ>16 aut.</sZ><sZ>19 aut.</sZ><sZ>22 aut.</sZ><sZ>26 aut.</sZ></inist:fA14><country>Canada</country></affiliation></author><author><name sortKey="Rich, J" sort="Rich, J" uniqKey="Rich J" first="J." last="Rich">J. Rich</name><affiliation wicri:level="1"><inist:fA14 i1="11"><s1>CEA, Centre de Saclay, Irfu/SPP</s1><s2>91191 Gif-sur-Yvette</s2><s3>FRA</s3><sZ>14 aut.</sZ><sZ>17 aut.</sZ><sZ>18 aut.</sZ></inist:fA14><country>France</country></affiliation></author><author><name sortKey="Ruhlmann Kleider, V" sort="Ruhlmann Kleider, V" uniqKey="Ruhlmann Kleider V" first="V." last="Ruhlmann-Kleider">V. Ruhlmann-Kleider</name><affiliation wicri:level="1"><inist:fA14 i1="11"><s1>CEA, Centre de Saclay, Irfu/SPP</s1><s2>91191 Gif-sur-Yvette</s2><s3>FRA</s3><sZ>14 aut.</sZ><sZ>17 aut.</sZ><sZ>18 aut.</sZ></inist:fA14><country>France</country></affiliation></author><author><name sortKey="Balam, D" sort="Balam, D" uniqKey="Balam D" first="D." last="Balam">D. Balam</name><affiliation wicri:level="1"><inist:fA14 i1="13"><s1>Department of Physics and Astronomy, University of Victoria, PO Box 3055 STN CSC</s1><s2>Victoria BC V8T 1M8</s2><s3>CAN</s3><sZ>16 aut.</sZ><sZ>19 aut.</sZ><sZ>22 aut.</sZ><sZ>26 aut.</sZ></inist:fA14><country>Canada</country></affiliation></author><author><name sortKey="Baumont, S" sort="Baumont, S" uniqKey="Baumont S" first="S." last="Baumont">S. Baumont</name><affiliation wicri:level="1"><inist:fA14 i1="14"><s1>LPSC, CNRS-IN2P3, 53 rue des Martyrs</s1><s2>38026 Grenoble</s2><s3>FRA</s3><sZ>20 aut.</sZ></inist:fA14><country>France</country></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 wicri:level="1"><inist:fA14 i1="02"><s1>Department of Physics (Astrophysics), University of Oxford, DWB, Keble Road</s1><s2>Oxford OX1 3RH</s2><s3>GBR</s3><sZ>2 aut.</sZ><sZ>11 aut.</sZ><sZ>21 aut.</sZ><sZ>34 aut.</sZ></inist:fA14><country>Royaume-Uni</country></affiliation><affiliation wicri:level="1"><inist:fA14 i1="15"><s1>Department of Astrophysics, California Institute of Technology, MS 105-24</s1><s2>Pasadena, CA 91125</s2><s3>USA</s3><sZ>21 aut.</sZ></inist:fA14><country>États-Unis</country></affiliation></author><author><name sortKey="Fabbro, S" sort="Fabbro, S" uniqKey="Fabbro S" first="S." last="Fabbro">S. Fabbro</name><affiliation wicri:level="1"><inist:fA14 i1="13"><s1>Department of Physics and Astronomy, University of Victoria, PO Box 3055 STN CSC</s1><s2>Victoria BC V8T 1M8</s2><s3>CAN</s3><sZ>16 aut.</sZ><sZ>19 aut.</sZ><sZ>22 aut.</sZ><sZ>26 aut.</sZ></inist:fA14><country>Canada</country></affiliation><affiliation wicri:level="1"><inist:fA14 i1="16"><s1>CENTRA-Centro M. de Astrofisica and Department of Physics, IST</s1><s2>Lisbon</s2><s3>PRT</s3><sZ>22 aut.</sZ><sZ>30 aut.</sZ></inist:fA14><country>Portugal</country></affiliation></author><author><name sortKey="Fakhouri, H K" sort="Fakhouri, H K" uniqKey="Fakhouri H" first="H. K." last="Fakhouri">H. K. Fakhouri</name><affiliation wicri:level="1"><inist:fA14 i1="17"><s1>LBNL, 1 Cyclotron Rd</s1><s2>Berkeley, CA 94720</s2><s3>USA</s3><sZ>23 aut.</sZ><sZ>27 aut.</sZ><sZ>31 aut.</sZ><sZ>32 aut.</sZ><sZ>33 aut.</sZ></inist:fA14><country>États-Unis</country></affiliation></author><author><name sortKey="Fourrnanoit, N" sort="Fourrnanoit, N" uniqKey="Fourrnanoit N" first="N." last="Fourrnanoit">N. Fourrnanoit</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>PNHE, CNRS/IN2P3, Université Pierre et Marie Curie Paris 6, Université Denis Diderot Paris 7, 4 place Jussieu</s1><s2>75252 Paris</s2><s3>FRA</s3><sZ>1 aut.</sZ><sZ>4 aut.</sZ><sZ>5 aut.</sZ><sZ>6 aut.</sZ><sZ>10 aut.</sZ><sZ>13 aut.</sZ><sZ>24 aut.</sZ><sZ>28 aut.</sZ><sZ>32 aut.</sZ></inist:fA14><country>France</country></affiliation></author><author><name sortKey="Gonzalez Gaitan, S" sort="Gonzalez Gaitan, S" uniqKey="Gonzalez Gaitan S" first="S." last="Gonzalez-Gaitan">S. Gonzalez-Gaitan</name><affiliation wicri:level="1"><inist:fA14 i1="04"><s1>Department of Astronomy and Astrophysics, University of Toronto, 50 St. George Street</s1><s2>Toronto ON M5S 3H4</s2><s3>CAN</s3><sZ>3 aut.</sZ><sZ>8 aut.</sZ><sZ>15 aut.</sZ><sZ>25 aut.</sZ></inist:fA14><country>Canada</country></affiliation></author><author><name sortKey="Graham, M L" sort="Graham, M L" uniqKey="Graham M" first="M. L." last="Graham">M. L. Graham</name><affiliation wicri:level="1"><inist:fA14 i1="13"><s1>Department of Physics and Astronomy, University of Victoria, PO Box 3055 STN CSC</s1><s2>Victoria BC V8T 1M8</s2><s3>CAN</s3><sZ>16 aut.</sZ><sZ>19 aut.</sZ><sZ>22 aut.</sZ><sZ>26 aut.</sZ></inist:fA14><country>Canada</country></affiliation></author><author><name sortKey="Hsiao, E" sort="Hsiao, E" uniqKey="Hsiao E" first="E." last="Hsiao">E. Hsiao</name><affiliation wicri:level="1"><inist:fA14 i1="17"><s1>LBNL, 1 Cyclotron Rd</s1><s2>Berkeley, CA 94720</s2><s3>USA</s3><sZ>23 aut.</sZ><sZ>27 aut.</sZ><sZ>31 aut.</sZ><sZ>32 aut.</sZ><sZ>33 aut.</sZ></inist:fA14><country>États-Unis</country></affiliation></author><author><name sortKey="Kronborg, T" sort="Kronborg, T" uniqKey="Kronborg T" first="T." last="Kronborg">T. Kronborg</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>PNHE, CNRS/IN2P3, Université Pierre et Marie Curie Paris 6, Université Denis Diderot Paris 7, 4 place Jussieu</s1><s2>75252 Paris</s2><s3>FRA</s3><sZ>1 aut.</sZ><sZ>4 aut.</sZ><sZ>5 aut.</sZ><sZ>6 aut.</sZ><sZ>10 aut.</sZ><sZ>13 aut.</sZ><sZ>24 aut.</sZ><sZ>28 aut.</sZ><sZ>32 aut.</sZ></inist:fA14><country>France</country></affiliation></author><author><name sortKey="Lidman, C" sort="Lidman, C" uniqKey="Lidman C" first="C." last="Lidman">C. Lidman</name><affiliation wicri:level="1"><inist:fA14 i1="18"><s1>Anglo-Australian Observatory, PO Box 296</s1><s2>Epping, NSW 1710</s2><s3>AUS</s3><sZ>29 aut.</sZ></inist:fA14><country>Australie</country></affiliation></author><author><name sortKey="Mourao, A M" sort="Mourao, A M" uniqKey="Mourao A" first="A. M." last="Mourao">A. M. Mourao</name><affiliation wicri:level="1"><inist:fA14 i1="16"><s1>CENTRA-Centro M. de Astrofisica and Department of Physics, IST</s1><s2>Lisbon</s2><s3>PRT</s3><sZ>22 aut.</sZ><sZ>30 aut.</sZ></inist:fA14><country>Portugal</country></affiliation></author><author><name sortKey="Perlmutter, S" sort="Perlmutter, S" uniqKey="Perlmutter S" first="S." last="Perlmutter">S. Perlmutter</name><affiliation wicri:level="1"><inist:fA14 i1="17"><s1>LBNL, 1 Cyclotron Rd</s1><s2>Berkeley, CA 94720</s2><s3>USA</s3><sZ>23 aut.</sZ><sZ>27 aut.</sZ><sZ>31 aut.</sZ><sZ>32 aut.</sZ><sZ>33 aut.</sZ></inist:fA14><country>États-Unis</country></affiliation></author><author><name sortKey="Ripoche, P" sort="Ripoche, P" uniqKey="Ripoche P" first="P." last="Ripoche">P. Ripoche</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>PNHE, CNRS/IN2P3, Université Pierre et Marie Curie Paris 6, Université Denis Diderot Paris 7, 4 place Jussieu</s1><s2>75252 Paris</s2><s3>FRA</s3><sZ>1 aut.</sZ><sZ>4 aut.</sZ><sZ>5 aut.</sZ><sZ>6 aut.</sZ><sZ>10 aut.</sZ><sZ>13 aut.</sZ><sZ>24 aut.</sZ><sZ>28 aut.</sZ><sZ>32 aut.</sZ></inist:fA14><country>France</country></affiliation><affiliation wicri:level="1"><inist:fA14 i1="17"><s1>LBNL, 1 Cyclotron Rd</s1><s2>Berkeley, CA 94720</s2><s3>USA</s3><sZ>23 aut.</sZ><sZ>27 aut.</sZ><sZ>31 aut.</sZ><sZ>32 aut.</sZ><sZ>33 aut.</sZ></inist:fA14><country>États-Unis</country></affiliation></author><author><name sortKey="Suzuki, N" sort="Suzuki, N" uniqKey="Suzuki N" first="N." last="Suzuki">N. Suzuki</name><affiliation wicri:level="1"><inist:fA14 i1="17"><s1>LBNL, 1 Cyclotron Rd</s1><s2>Berkeley, CA 94720</s2><s3>USA</s3><sZ>23 aut.</sZ><sZ>27 aut.</sZ><sZ>31 aut.</sZ><sZ>32 aut.</sZ><sZ>33 aut.</sZ></inist:fA14><country>États-Unis</country></affiliation></author><author><name sortKey="Walker, E S" sort="Walker, E S" uniqKey="Walker E" first="E. S." last="Walker">E. S. Walker</name><affiliation wicri:level="1"><inist:fA14 i1="02"><s1>Department of Physics (Astrophysics), University of Oxford, DWB, Keble Road</s1><s2>Oxford OX1 3RH</s2><s3>GBR</s3><sZ>2 aut.</sZ><sZ>11 aut.</sZ><sZ>21 aut.</sZ><sZ>34 aut.</sZ></inist:fA14><country>Royaume-Uni</country></affiliation><affiliation wicri:level="1"><inist:fA14 i1="19"><s1>Scuola Normale Superiore, Piazza dei Cavalieri 7</s1><s2>56126 Pisa</s2><s3>ITA</s3><sZ>34 aut.</sZ></inist:fA14><country>Italie</country></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">INIST</idno><idno type="inist">11-0134254</idno><date when="2010">2010</date><idno type="stanalyst">PASCAL 11-0134254 INIST</idno><idno type="RBID">Pascal:11-0134254</idno><idno type="wicri:Area/PascalFrancis/Corpus">001F61</idno><idno type="wicri:Area/PascalFrancis/Curation">003F74</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en" level="a">The Supernova Legacy Survey 3-year sample: Type la supernovae photometric distances and cosmological constraints</title><author><name sortKey="Guy, J" sort="Guy, J" uniqKey="Guy J" first="J." last="Guy">J. Guy</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>PNHE, CNRS/IN2P3, Université Pierre et Marie Curie Paris 6, Université Denis Diderot Paris 7, 4 place Jussieu</s1><s2>75252 Paris</s2><s3>FRA</s3><sZ>1 aut.</sZ><sZ>4 aut.</sZ><sZ>5 aut.</sZ><sZ>6 aut.</sZ><sZ>10 aut.</sZ><sZ>13 aut.</sZ><sZ>24 aut.</sZ><sZ>28 aut.</sZ><sZ>32 aut.</sZ></inist:fA14><country>France</country></affiliation></author><author><name sortKey="Sullivan, M" sort="Sullivan, M" uniqKey="Sullivan M" first="M." last="Sullivan">M. Sullivan</name><affiliation wicri:level="1"><inist:fA14 i1="02"><s1>Department of Physics (Astrophysics), University of Oxford, DWB, Keble Road</s1><s2>Oxford OX1 3RH</s2><s3>GBR</s3><sZ>2 aut.</sZ><sZ>11 aut.</sZ><sZ>21 aut.</sZ><sZ>34 aut.</sZ></inist:fA14><country>Royaume-Uni</country></affiliation></author><author><name sortKey="Conley, A" sort="Conley, A" uniqKey="Conley A" first="A." last="Conley">A. Conley</name><affiliation wicri:level="1"><inist:fA14 i1="03"><s1>Department of Astrophysical and Planetary Sciences, University of Colorado</s1><s2>Boulder, CO 80309-0391</s2><s3>USA</s3><sZ>3 aut.</sZ></inist:fA14><country>États-Unis</country></affiliation><affiliation wicri:level="1"><inist:fA14 i1="04"><s1>Department of Astronomy and Astrophysics, University of Toronto, 50 St. George Street</s1><s2>Toronto ON M5S 3H4</s2><s3>CAN</s3><sZ>3 aut.</sZ><sZ>8 aut.</sZ><sZ>15 aut.</sZ><sZ>25 aut.</sZ></inist:fA14><country>Canada</country></affiliation></author><author><name sortKey="Regnault, N" sort="Regnault, N" uniqKey="Regnault N" first="N." last="Regnault">N. Regnault</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>PNHE, CNRS/IN2P3, Université Pierre et Marie Curie Paris 6, Université Denis Diderot Paris 7, 4 place Jussieu</s1><s2>75252 Paris</s2><s3>FRA</s3><sZ>1 aut.</sZ><sZ>4 aut.</sZ><sZ>5 aut.</sZ><sZ>6 aut.</sZ><sZ>10 aut.</sZ><sZ>13 aut.</sZ><sZ>24 aut.</sZ><sZ>28 aut.</sZ><sZ>32 aut.</sZ></inist:fA14><country>France</country></affiliation></author><author><name sortKey="Astier, P" sort="Astier, P" uniqKey="Astier P" first="P." last="Astier">P. Astier</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>PNHE, CNRS/IN2P3, Université Pierre et Marie Curie Paris 6, Université Denis Diderot Paris 7, 4 place Jussieu</s1><s2>75252 Paris</s2><s3>FRA</s3><sZ>1 aut.</sZ><sZ>4 aut.</sZ><sZ>5 aut.</sZ><sZ>6 aut.</sZ><sZ>10 aut.</sZ><sZ>13 aut.</sZ><sZ>24 aut.</sZ><sZ>28 aut.</sZ><sZ>32 aut.</sZ></inist:fA14><country>France</country></affiliation></author><author><name sortKey="Balland, C" sort="Balland, C" uniqKey="Balland C" first="C." last="Balland">C. Balland</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>PNHE, CNRS/IN2P3, Université Pierre et Marie Curie Paris 6, Université Denis Diderot Paris 7, 4 place Jussieu</s1><s2>75252 Paris</s2><s3>FRA</s3><sZ>1 aut.</sZ><sZ>4 aut.</sZ><sZ>5 aut.</sZ><sZ>6 aut.</sZ><sZ>10 aut.</sZ><sZ>13 aut.</sZ><sZ>24 aut.</sZ><sZ>28 aut.</sZ><sZ>32 aut.</sZ></inist:fA14><country>France</country></affiliation><affiliation wicri:level="1"><inist:fA14 i1="05"><s1>Université Paris 11</s1><s2>91405 Orsay</s2><s3>FRA</s3><sZ>6 aut.</sZ></inist:fA14><country>France</country></affiliation></author><author><name sortKey="Basa, S" sort="Basa, S" uniqKey="Basa S" first="S." last="Basa">S. Basa</name><affiliation wicri:level="1"><inist:fA14 i1="06"><s1>LAM, CNRS, BP8, Traverse du Siphon</s1><s2>13376 Marseille</s2><s3>FRA</s3><sZ>7 aut.</sZ></inist:fA14><country>France</country></affiliation></author><author><name sortKey="Carlberg, R G" sort="Carlberg, R G" uniqKey="Carlberg R" first="R. G." last="Carlberg">R. G. Carlberg</name><affiliation wicri:level="1"><inist:fA14 i1="04"><s1>Department of Astronomy and Astrophysics, University of Toronto, 50 St. George Street</s1><s2>Toronto ON M5S 3H4</s2><s3>CAN</s3><sZ>3 aut.</sZ><sZ>8 aut.</sZ><sZ>15 aut.</sZ><sZ>25 aut.</sZ></inist:fA14><country>Canada</country></affiliation></author><author><name sortKey="Fouchez, D" sort="Fouchez, D" uniqKey="Fouchez D" first="D." last="Fouchez">D. Fouchez</name><affiliation wicri:level="1"><inist:fA14 i1="07"><s1>CPPM, CNRS-IN2P3 and Université Aix-Marseille II, Case 907</s1><s2>13288 Marseille</s2><s3>FRA</s3><sZ>9 aut.</sZ></inist:fA14><country>France</country></affiliation></author><author><name sortKey="Hardin, D" sort="Hardin, D" uniqKey="Hardin D" first="D." last="Hardin">D. Hardin</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>PNHE, CNRS/IN2P3, Université Pierre et Marie Curie Paris 6, Université Denis Diderot Paris 7, 4 place Jussieu</s1><s2>75252 Paris</s2><s3>FRA</s3><sZ>1 aut.</sZ><sZ>4 aut.</sZ><sZ>5 aut.</sZ><sZ>6 aut.</sZ><sZ>10 aut.</sZ><sZ>13 aut.</sZ><sZ>24 aut.</sZ><sZ>28 aut.</sZ><sZ>32 aut.</sZ></inist:fA14><country>France</country></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 wicri:level="1"><inist:fA14 i1="02"><s1>Department of Physics (Astrophysics), University of Oxford, DWB, Keble Road</s1><s2>Oxford OX1 3RH</s2><s3>GBR</s3><sZ>2 aut.</sZ><sZ>11 aut.</sZ><sZ>21 aut.</sZ><sZ>34 aut.</sZ></inist:fA14><country>Royaume-Uni</country></affiliation><affiliation wicri:level="1"><inist:fA14 i1="08"><s1>INAF - Osservatorio Astronomico di Roma, via Frascati 33</s1><s2>00040 Monteporzio (RM)</s2><s3>ITA</s3><sZ>11 aut.</sZ></inist:fA14><country>Italie</country></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 wicri:level="1"><inist:fA14 i1="09"><s1>Las Cumbres Observatory Global Telescope Network, 6740 Cortona Dr., Suite 102</s1><s2>Goleta, CA 93117</s2><s3>USA</s3><sZ>12 aut.</sZ></inist:fA14><country>États-Unis</country></affiliation><affiliation wicri:level="1"><inist:fA14 i1="10"><s1>Department of Physics, University of California, Santa Barbara, Broida Hall, Mail Code 9530</s1><s2>Santa Barbara, CA 93106-9530</s2><s3>USA</s3><sZ>12 aut.</sZ></inist:fA14><country>États-Unis</country></affiliation></author><author><name sortKey="Pain, R" sort="Pain, R" uniqKey="Pain R" first="R." last="Pain">R. Pain</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>PNHE, CNRS/IN2P3, Université Pierre et Marie Curie Paris 6, Université Denis Diderot Paris 7, 4 place Jussieu</s1><s2>75252 Paris</s2><s3>FRA</s3><sZ>1 aut.</sZ><sZ>4 aut.</sZ><sZ>5 aut.</sZ><sZ>6 aut.</sZ><sZ>10 aut.</sZ><sZ>13 aut.</sZ><sZ>24 aut.</sZ><sZ>28 aut.</sZ><sZ>32 aut.</sZ></inist:fA14><country>France</country></affiliation></author><author><name sortKey="Palanque Delabrouille, N" sort="Palanque Delabrouille, N" uniqKey="Palanque Delabrouille N" first="N." last="Palanque-Delabrouille">N. Palanque-Delabrouille</name><affiliation wicri:level="1"><inist:fA14 i1="11"><s1>CEA, Centre de Saclay, Irfu/SPP</s1><s2>91191 Gif-sur-Yvette</s2><s3>FRA</s3><sZ>14 aut.</sZ><sZ>17 aut.</sZ><sZ>18 aut.</sZ></inist:fA14><country>France</country></affiliation></author><author><name sortKey="Perrett, K M" sort="Perrett, K M" uniqKey="Perrett K" first="K. M." last="Perrett">K. M. Perrett</name><affiliation wicri:level="1"><inist:fA14 i1="04"><s1>Department of Astronomy and Astrophysics, University of Toronto, 50 St. George Street</s1><s2>Toronto ON M5S 3H4</s2><s3>CAN</s3><sZ>3 aut.</sZ><sZ>8 aut.</sZ><sZ>15 aut.</sZ><sZ>25 aut.</sZ></inist:fA14><country>Canada</country></affiliation><affiliation wicri:level="1"><inist:fA14 i1="12"><s1>Network Information Operations, DRDC-Ottawa, 3701 Carling Avenue</s1><s2>Ottawa, ON, K1A 0Z4</s2><s3>CAN</s3><sZ>15 aut.</sZ></inist:fA14><country>Canada</country></affiliation></author><author><name sortKey="Pritchet, C J" sort="Pritchet, C J" uniqKey="Pritchet C" first="C. J." last="Pritchet">C. J. Pritchet</name><affiliation wicri:level="1"><inist:fA14 i1="13"><s1>Department of Physics and Astronomy, University of Victoria, PO Box 3055 STN CSC</s1><s2>Victoria BC V8T 1M8</s2><s3>CAN</s3><sZ>16 aut.</sZ><sZ>19 aut.</sZ><sZ>22 aut.</sZ><sZ>26 aut.</sZ></inist:fA14><country>Canada</country></affiliation></author><author><name sortKey="Rich, J" sort="Rich, J" uniqKey="Rich J" first="J." last="Rich">J. Rich</name><affiliation wicri:level="1"><inist:fA14 i1="11"><s1>CEA, Centre de Saclay, Irfu/SPP</s1><s2>91191 Gif-sur-Yvette</s2><s3>FRA</s3><sZ>14 aut.</sZ><sZ>17 aut.</sZ><sZ>18 aut.</sZ></inist:fA14><country>France</country></affiliation></author><author><name sortKey="Ruhlmann Kleider, V" sort="Ruhlmann Kleider, V" uniqKey="Ruhlmann Kleider V" first="V." last="Ruhlmann-Kleider">V. Ruhlmann-Kleider</name><affiliation wicri:level="1"><inist:fA14 i1="11"><s1>CEA, Centre de Saclay, Irfu/SPP</s1><s2>91191 Gif-sur-Yvette</s2><s3>FRA</s3><sZ>14 aut.</sZ><sZ>17 aut.</sZ><sZ>18 aut.</sZ></inist:fA14><country>France</country></affiliation></author><author><name sortKey="Balam, D" sort="Balam, D" uniqKey="Balam D" first="D." last="Balam">D. Balam</name><affiliation wicri:level="1"><inist:fA14 i1="13"><s1>Department of Physics and Astronomy, University of Victoria, PO Box 3055 STN CSC</s1><s2>Victoria BC V8T 1M8</s2><s3>CAN</s3><sZ>16 aut.</sZ><sZ>19 aut.</sZ><sZ>22 aut.</sZ><sZ>26 aut.</sZ></inist:fA14><country>Canada</country></affiliation></author><author><name sortKey="Baumont, S" sort="Baumont, S" uniqKey="Baumont S" first="S." last="Baumont">S. Baumont</name><affiliation wicri:level="1"><inist:fA14 i1="14"><s1>LPSC, CNRS-IN2P3, 53 rue des Martyrs</s1><s2>38026 Grenoble</s2><s3>FRA</s3><sZ>20 aut.</sZ></inist:fA14><country>France</country></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 wicri:level="1"><inist:fA14 i1="02"><s1>Department of Physics (Astrophysics), University of Oxford, DWB, Keble Road</s1><s2>Oxford OX1 3RH</s2><s3>GBR</s3><sZ>2 aut.</sZ><sZ>11 aut.</sZ><sZ>21 aut.</sZ><sZ>34 aut.</sZ></inist:fA14><country>Royaume-Uni</country></affiliation><affiliation wicri:level="1"><inist:fA14 i1="15"><s1>Department of Astrophysics, California Institute of Technology, MS 105-24</s1><s2>Pasadena, CA 91125</s2><s3>USA</s3><sZ>21 aut.</sZ></inist:fA14><country>États-Unis</country></affiliation></author><author><name sortKey="Fabbro, S" sort="Fabbro, S" uniqKey="Fabbro S" first="S." last="Fabbro">S. Fabbro</name><affiliation wicri:level="1"><inist:fA14 i1="13"><s1>Department of Physics and Astronomy, University of Victoria, PO Box 3055 STN CSC</s1><s2>Victoria BC V8T 1M8</s2><s3>CAN</s3><sZ>16 aut.</sZ><sZ>19 aut.</sZ><sZ>22 aut.</sZ><sZ>26 aut.</sZ></inist:fA14><country>Canada</country></affiliation><affiliation wicri:level="1"><inist:fA14 i1="16"><s1>CENTRA-Centro M. de Astrofisica and Department of Physics, IST</s1><s2>Lisbon</s2><s3>PRT</s3><sZ>22 aut.</sZ><sZ>30 aut.</sZ></inist:fA14><country>Portugal</country></affiliation></author><author><name sortKey="Fakhouri, H K" sort="Fakhouri, H K" uniqKey="Fakhouri H" first="H. K." last="Fakhouri">H. K. Fakhouri</name><affiliation wicri:level="1"><inist:fA14 i1="17"><s1>LBNL, 1 Cyclotron Rd</s1><s2>Berkeley, CA 94720</s2><s3>USA</s3><sZ>23 aut.</sZ><sZ>27 aut.</sZ><sZ>31 aut.</sZ><sZ>32 aut.</sZ><sZ>33 aut.</sZ></inist:fA14><country>États-Unis</country></affiliation></author><author><name sortKey="Fourrnanoit, N" sort="Fourrnanoit, N" uniqKey="Fourrnanoit N" first="N." last="Fourrnanoit">N. Fourrnanoit</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>PNHE, CNRS/IN2P3, Université Pierre et Marie Curie Paris 6, Université Denis Diderot Paris 7, 4 place Jussieu</s1><s2>75252 Paris</s2><s3>FRA</s3><sZ>1 aut.</sZ><sZ>4 aut.</sZ><sZ>5 aut.</sZ><sZ>6 aut.</sZ><sZ>10 aut.</sZ><sZ>13 aut.</sZ><sZ>24 aut.</sZ><sZ>28 aut.</sZ><sZ>32 aut.</sZ></inist:fA14><country>France</country></affiliation></author><author><name sortKey="Gonzalez Gaitan, S" sort="Gonzalez Gaitan, S" uniqKey="Gonzalez Gaitan S" first="S." last="Gonzalez-Gaitan">S. Gonzalez-Gaitan</name><affiliation wicri:level="1"><inist:fA14 i1="04"><s1>Department of Astronomy and Astrophysics, University of Toronto, 50 St. George Street</s1><s2>Toronto ON M5S 3H4</s2><s3>CAN</s3><sZ>3 aut.</sZ><sZ>8 aut.</sZ><sZ>15 aut.</sZ><sZ>25 aut.</sZ></inist:fA14><country>Canada</country></affiliation></author><author><name sortKey="Graham, M L" sort="Graham, M L" uniqKey="Graham M" first="M. L." last="Graham">M. L. Graham</name><affiliation wicri:level="1"><inist:fA14 i1="13"><s1>Department of Physics and Astronomy, University of Victoria, PO Box 3055 STN CSC</s1><s2>Victoria BC V8T 1M8</s2><s3>CAN</s3><sZ>16 aut.</sZ><sZ>19 aut.</sZ><sZ>22 aut.</sZ><sZ>26 aut.</sZ></inist:fA14><country>Canada</country></affiliation></author><author><name sortKey="Hsiao, E" sort="Hsiao, E" uniqKey="Hsiao E" first="E." last="Hsiao">E. Hsiao</name><affiliation wicri:level="1"><inist:fA14 i1="17"><s1>LBNL, 1 Cyclotron Rd</s1><s2>Berkeley, CA 94720</s2><s3>USA</s3><sZ>23 aut.</sZ><sZ>27 aut.</sZ><sZ>31 aut.</sZ><sZ>32 aut.</sZ><sZ>33 aut.</sZ></inist:fA14><country>États-Unis</country></affiliation></author><author><name sortKey="Kronborg, T" sort="Kronborg, T" uniqKey="Kronborg T" first="T." last="Kronborg">T. Kronborg</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>PNHE, CNRS/IN2P3, Université Pierre et Marie Curie Paris 6, Université Denis Diderot Paris 7, 4 place Jussieu</s1><s2>75252 Paris</s2><s3>FRA</s3><sZ>1 aut.</sZ><sZ>4 aut.</sZ><sZ>5 aut.</sZ><sZ>6 aut.</sZ><sZ>10 aut.</sZ><sZ>13 aut.</sZ><sZ>24 aut.</sZ><sZ>28 aut.</sZ><sZ>32 aut.</sZ></inist:fA14><country>France</country></affiliation></author><author><name sortKey="Lidman, C" sort="Lidman, C" uniqKey="Lidman C" first="C." last="Lidman">C. Lidman</name><affiliation wicri:level="1"><inist:fA14 i1="18"><s1>Anglo-Australian Observatory, PO Box 296</s1><s2>Epping, NSW 1710</s2><s3>AUS</s3><sZ>29 aut.</sZ></inist:fA14><country>Australie</country></affiliation></author><author><name sortKey="Mourao, A M" sort="Mourao, A M" uniqKey="Mourao A" first="A. M." last="Mourao">A. M. Mourao</name><affiliation wicri:level="1"><inist:fA14 i1="16"><s1>CENTRA-Centro M. de Astrofisica and Department of Physics, IST</s1><s2>Lisbon</s2><s3>PRT</s3><sZ>22 aut.</sZ><sZ>30 aut.</sZ></inist:fA14><country>Portugal</country></affiliation></author><author><name sortKey="Perlmutter, S" sort="Perlmutter, S" uniqKey="Perlmutter S" first="S." last="Perlmutter">S. Perlmutter</name><affiliation wicri:level="1"><inist:fA14 i1="17"><s1>LBNL, 1 Cyclotron Rd</s1><s2>Berkeley, CA 94720</s2><s3>USA</s3><sZ>23 aut.</sZ><sZ>27 aut.</sZ><sZ>31 aut.</sZ><sZ>32 aut.</sZ><sZ>33 aut.</sZ></inist:fA14><country>États-Unis</country></affiliation></author><author><name sortKey="Ripoche, P" sort="Ripoche, P" uniqKey="Ripoche P" first="P." last="Ripoche">P. Ripoche</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>PNHE, CNRS/IN2P3, Université Pierre et Marie Curie Paris 6, Université Denis Diderot Paris 7, 4 place Jussieu</s1><s2>75252 Paris</s2><s3>FRA</s3><sZ>1 aut.</sZ><sZ>4 aut.</sZ><sZ>5 aut.</sZ><sZ>6 aut.</sZ><sZ>10 aut.</sZ><sZ>13 aut.</sZ><sZ>24 aut.</sZ><sZ>28 aut.</sZ><sZ>32 aut.</sZ></inist:fA14><country>France</country></affiliation><affiliation wicri:level="1"><inist:fA14 i1="17"><s1>LBNL, 1 Cyclotron Rd</s1><s2>Berkeley, CA 94720</s2><s3>USA</s3><sZ>23 aut.</sZ><sZ>27 aut.</sZ><sZ>31 aut.</sZ><sZ>32 aut.</sZ><sZ>33 aut.</sZ></inist:fA14><country>États-Unis</country></affiliation></author><author><name sortKey="Suzuki, N" sort="Suzuki, N" uniqKey="Suzuki N" first="N." last="Suzuki">N. Suzuki</name><affiliation wicri:level="1"><inist:fA14 i1="17"><s1>LBNL, 1 Cyclotron Rd</s1><s2>Berkeley, CA 94720</s2><s3>USA</s3><sZ>23 aut.</sZ><sZ>27 aut.</sZ><sZ>31 aut.</sZ><sZ>32 aut.</sZ><sZ>33 aut.</sZ></inist:fA14><country>États-Unis</country></affiliation></author><author><name sortKey="Walker, E S" sort="Walker, E S" uniqKey="Walker E" first="E. S." last="Walker">E. S. Walker</name><affiliation wicri:level="1"><inist:fA14 i1="02"><s1>Department of Physics (Astrophysics), University of Oxford, DWB, Keble Road</s1><s2>Oxford OX1 3RH</s2><s3>GBR</s3><sZ>2 aut.</sZ><sZ>11 aut.</sZ><sZ>21 aut.</sZ><sZ>34 aut.</sZ></inist:fA14><country>Royaume-Uni</country></affiliation><affiliation wicri:level="1"><inist:fA14 i1="19"><s1>Scuola Normale Superiore, Piazza dei Cavalieri 7</s1><s2>56126 Pisa</s2><s3>ITA</s3><sZ>34 aut.</sZ></inist:fA14><country>Italie</country></affiliation></author></analytic><series><title level="j" type="main">Astronomy and astrophysics : (Berlin. Print)</title><title level="j" type="abbreviated">Astron. astrophys. : (Berl., Print)</title><idno type="ISSN">0004-6361</idno><imprint><date when="2010">2010</date></imprint></series></biblStruct></sourceDesc><seriesStmt><title level="j" type="main">Astronomy and astrophysics : (Berlin. Print)</title><title level="j" type="abbreviated">Astron. astrophys. : (Berl., Print)</title><idno type="ISSN">0004-6361</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Color</term><term>Color curve</term><term>Cosmology</term><term>Distance measurement</term><term>Light curves</term><term>Luminosity</term><term>Modelling</term><term>Red shift</term><term>Spectroscopy</term><term>Type I supernova</term><term>Uncertainty</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>Supernova type I</term><term>Mesure de distance</term><term>Mesure distance</term><term>Déplacement vers le rouge</term><term>Courbe couleur</term><term>Courbe lumière</term><term>Spectrométrie</term><term>Incertitude</term><term>Modélisation</term><term>Couleur</term><term>Luminosité</term><term>Cosmologie</term></keywords><keywords scheme="Wicri" type="topic" xml:lang="fr"><term>Spectrométrie</term><term>Cosmologie</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Aims. We present photometric properties and distance measurements of 252 high redshift Type Ia supernovae (0.15 < z < 1.1) discovered during the first three years of the Supernova Legacy Survey (SNLS). These events were detected and their multi-colour light curves measured using the MegaPrime/MegaCam instrument at the Canada-France-Hawaii Telescope (CFHT), by repeatedly imaging four one-square degree fields in four bands. Follow-up spectroscopy was performed at the VLT, Gemini and Keck telescopes to confirm the nature of the supernovae and to measure their redshifts. Methods. Systematic uncertainties arising from light curve modeling are studied, making use of two techniques to derive the peak magnitude, shape and colour of the supernovae, and taking advantage of a precise calibration of the SNLS fields. Results. A flat ACDM cosmological fit to 231 SNLS high redshift type Ia supernovae alone gives Ω<sub>M</sub> = 0.211 ± 0.034(stat) ± 0.069(sys). The dominant systematic uncertainty comes from uncertainties in the photometric calibration. Systematic uncertainties from light curve fitters come next with a total contribution of ±0.026 on Ω<sub>M</sub>. No clear evidence is found for a possible evolution of the slope (β) of the colour-luminosity relation with redshift.</div></front></TEI><inist><standard h6="B"><pA><fA01 i1="01" i2="1"><s0>0004-6361</s0></fA01><fA02 i1="01"><s0>AAEJAF</s0></fA02><fA03 i2="1"><s0>Astron. astrophys. : (Berl., Print)</s0></fA03><fA05><s2>523</s2></fA05><fA08 i1="01" i2="1" l="ENG"><s1>The Supernova Legacy Survey 3-year sample: Type la supernovae photometric distances and cosmological constraints</s1></fA08><fA11 i1="01" i2="1"><s1>GUY (J.)</s1></fA11><fA11 i1="02" i2="1"><s1>SULLIVAN (M.)</s1></fA11><fA11 i1="03" i2="1"><s1>CONLEY (A.)</s1></fA11><fA11 i1="04" i2="1"><s1>REGNAULT (N.)</s1></fA11><fA11 i1="05" i2="1"><s1>ASTIER (P.)</s1></fA11><fA11 i1="06" i2="1"><s1>BALLAND (C.)</s1></fA11><fA11 i1="07" i2="1"><s1>BASA (S.)</s1></fA11><fA11 i1="08" i2="1"><s1>CARLBERG (R. G.)</s1></fA11><fA11 i1="09" i2="1"><s1>FOUCHEZ (D.)</s1></fA11><fA11 i1="10" i2="1"><s1>HARDIN (D.)</s1></fA11><fA11 i1="11" i2="1"><s1>HOOK (I. M.)</s1></fA11><fA11 i1="12" i2="1"><s1>HOWELL (D. A.)</s1></fA11><fA11 i1="13" i2="1"><s1>PAIN (R.)</s1></fA11><fA11 i1="14" i2="1"><s1>PALANQUE-DELABROUILLE (N.)</s1></fA11><fA11 i1="15" i2="1"><s1>PERRETT (K. M.)</s1></fA11><fA11 i1="16" i2="1"><s1>PRITCHET (C. J.)</s1></fA11><fA11 i1="17" i2="1"><s1>RICH (J.)</s1></fA11><fA11 i1="18" i2="1"><s1>RUHLMANN-KLEIDER (V.)</s1></fA11><fA11 i1="19" i2="1"><s1>BALAM (D.)</s1></fA11><fA11 i1="20" i2="1"><s1>BAUMONT (S.)</s1></fA11><fA11 i1="21" i2="1"><s1>ELLIS (R. S.)</s1></fA11><fA11 i1="22" i2="1"><s1>FABBRO (S.)</s1></fA11><fA11 i1="23" i2="1"><s1>FAKHOURI (H. K.)</s1></fA11><fA11 i1="24" i2="1"><s1>FOURRNANOIT (N.)</s1></fA11><fA11 i1="25" i2="1"><s1>GONZALEZ-GAITAN (S.)</s1></fA11><fA11 i1="26" i2="1"><s1>GRAHAM (M. L.)</s1></fA11><fA11 i1="27" i2="1"><s1>HSIAO (E.)</s1></fA11><fA11 i1="28" i2="1"><s1>KRONBORG (T.)</s1></fA11><fA11 i1="29" i2="1"><s1>LIDMAN (C.)</s1></fA11><fA11 i1="30" i2="1"><s1>MOURAO (A. M.)</s1></fA11><fA11 i1="31" i2="1"><s1>PERLMUTTER (S.)</s1></fA11><fA11 i1="32" i2="1"><s1>RIPOCHE (P.)</s1></fA11><fA11 i1="33" i2="1"><s1>SUZUKI (N.)</s1></fA11><fA11 i1="34" i2="1"><s1>WALKER (E. S.)</s1></fA11><fA14 i1="01"><s1>PNHE, CNRS/IN2P3, Université Pierre et Marie Curie Paris 6, Université Denis Diderot Paris 7, 4 place Jussieu</s1><s2>75252 Paris</s2><s3>FRA</s3><sZ>1 aut.</sZ><sZ>4 aut.</sZ><sZ>5 aut.</sZ><sZ>6 aut.</sZ><sZ>10 aut.</sZ><sZ>13 aut.</sZ><sZ>24 aut.</sZ><sZ>28 aut.</sZ><sZ>32 aut.</sZ></fA14><fA14 i1="02"><s1>Department of Physics (Astrophysics), University of Oxford, DWB, Keble Road</s1><s2>Oxford OX1 3RH</s2><s3>GBR</s3><sZ>2 aut.</sZ><sZ>11 aut.</sZ><sZ>21 aut.</sZ><sZ>34 aut.</sZ></fA14><fA14 i1="03"><s1>Department of Astrophysical and Planetary Sciences, University of Colorado</s1><s2>Boulder, CO 80309-0391</s2><s3>USA</s3><sZ>3 aut.</sZ></fA14><fA14 i1="04"><s1>Department of Astronomy and Astrophysics, University of Toronto, 50 St. George Street</s1><s2>Toronto ON M5S 3H4</s2><s3>CAN</s3><sZ>3 aut.</sZ><sZ>8 aut.</sZ><sZ>15 aut.</sZ><sZ>25 aut.</sZ></fA14><fA14 i1="05"><s1>Université Paris 11</s1><s2>91405 Orsay</s2><s3>FRA</s3><sZ>6 aut.</sZ></fA14><fA14 i1="06"><s1>LAM, CNRS, BP8, Traverse du Siphon</s1><s2>13376 Marseille</s2><s3>FRA</s3><sZ>7 aut.</sZ></fA14><fA14 i1="07"><s1>CPPM, CNRS-IN2P3 and Université Aix-Marseille II, Case 907</s1><s2>13288 Marseille</s2><s3>FRA</s3><sZ>9 aut.</sZ></fA14><fA14 i1="08"><s1>INAF - Osservatorio Astronomico di Roma, via Frascati 33</s1><s2>00040 Monteporzio (RM)</s2><s3>ITA</s3><sZ>11 aut.</sZ></fA14><fA14 i1="09"><s1>Las Cumbres Observatory Global Telescope Network, 6740 Cortona Dr., Suite 102</s1><s2>Goleta, CA 93117</s2><s3>USA</s3><sZ>12 aut.</sZ></fA14><fA14 i1="10"><s1>Department of Physics, University of California, Santa Barbara, Broida Hall, Mail Code 9530</s1><s2>Santa Barbara, CA 93106-9530</s2><s3>USA</s3><sZ>12 aut.</sZ></fA14><fA14 i1="11"><s1>CEA, Centre de Saclay, Irfu/SPP</s1><s2>91191 Gif-sur-Yvette</s2><s3>FRA</s3><sZ>14 aut.</sZ><sZ>17 aut.</sZ><sZ>18 aut.</sZ></fA14><fA14 i1="12"><s1>Network Information Operations, DRDC-Ottawa, 3701 Carling Avenue</s1><s2>Ottawa, ON, K1A 0Z4</s2><s3>CAN</s3><sZ>15 aut.</sZ></fA14><fA14 i1="13"><s1>Department of Physics and Astronomy, University of Victoria, PO Box 3055 STN CSC</s1><s2>Victoria BC V8T 1M8</s2><s3>CAN</s3><sZ>16 aut.</sZ><sZ>19 aut.</sZ><sZ>22 aut.</sZ><sZ>26 aut.</sZ></fA14><fA14 i1="14"><s1>LPSC, CNRS-IN2P3, 53 rue des Martyrs</s1><s2>38026 Grenoble</s2><s3>FRA</s3><sZ>20 aut.</sZ></fA14><fA14 i1="15"><s1>Department of Astrophysics, California Institute of Technology, MS 105-24</s1><s2>Pasadena, CA 91125</s2><s3>USA</s3><sZ>21 aut.</sZ></fA14><fA14 i1="16"><s1>CENTRA-Centro M. de Astrofisica and Department of Physics, IST</s1><s2>Lisbon</s2><s3>PRT</s3><sZ>22 aut.</sZ><sZ>30 aut.</sZ></fA14><fA14 i1="17"><s1>LBNL, 1 Cyclotron Rd</s1><s2>Berkeley, CA 94720</s2><s3>USA</s3><sZ>23 aut.</sZ><sZ>27 aut.</sZ><sZ>31 aut.</sZ><sZ>32 aut.</sZ><sZ>33 aut.</sZ></fA14><fA14 i1="18"><s1>Anglo-Australian Observatory, PO Box 296</s1><s2>Epping, NSW 1710</s2><s3>AUS</s3><sZ>29 aut.</sZ></fA14><fA14 i1="19"><s1>Scuola Normale Superiore, Piazza dei Cavalieri 7</s1><s2>56126 Pisa</s2><s3>ITA</s3><sZ>34 aut.</sZ></fA14><fA20><s2>A7.1-A7.34</s2></fA20><fA21><s1>2010</s1></fA21><fA23 i1="01"><s0>ENG</s0></fA23><fA43 i1="01"><s1>INIST</s1><s2>14176</s2><s5>354000190705400100</s5></fA43><fA44><s0>0000</s0><s1>© 2011 INIST-CNRS. All rights reserved.</s1></fA44><fA45><s0>3/4 p.</s0></fA45><fA47 i1="01" i2="1"><s0>11-0134254</s0></fA47><fA60><s1>P</s1></fA60><fA61><s0>A</s0></fA61><fA64 i1="01" i2="1"><s0>Astronomy and astrophysics : (Berlin. Print)</s0></fA64><fA66 i1="01"><s0>FRA</s0></fA66><fC01 i1="01" l="ENG"><s0>Aims. We present photometric properties and distance measurements of 252 high redshift Type Ia supernovae (0.15 < z < 1.1) discovered during the first three years of the Supernova Legacy Survey (SNLS). These events were detected and their multi-colour light curves measured using the MegaPrime/MegaCam instrument at the Canada-France-Hawaii Telescope (CFHT), by repeatedly imaging four one-square degree fields in four bands. Follow-up spectroscopy was performed at the VLT, Gemini and Keck telescopes to confirm the nature of the supernovae and to measure their redshifts. Methods. Systematic uncertainties arising from light curve modeling are studied, making use of two techniques to derive the peak magnitude, shape and colour of the supernovae, and taking advantage of a precise calibration of the SNLS fields. Results. A flat ACDM cosmological fit to 231 SNLS high redshift type Ia supernovae alone gives Ω<sub>M</sub> = 0.211 ± 0.034(stat) ± 0.069(sys). The dominant systematic uncertainty comes from uncertainties in the photometric calibration. Systematic uncertainties from light curve fitters come next with a total contribution of ±0.026 on Ω<sub>M</sub>. No clear evidence is found for a possible evolution of the slope (β) of the colour-luminosity relation with redshift.</s0></fC01><fC02 i1="01" i2="3"><s0>001E03</s0></fC02><fC03 i1="01" i2="X" l="FRE"><s0>Supernova type I</s0><s5>26</s5></fC03><fC03 i1="01" i2="X" l="ENG"><s0>Type I supernova</s0><s5>26</s5></fC03><fC03 i1="01" i2="X" l="SPA"><s0>Supernova tipo I</s0><s5>26</s5></fC03><fC03 i1="02" i2="X" l="FRE"><s0>Mesure de distance</s0><s5>27</s5></fC03><fC03 i1="02" i2="X" l="ENG"><s0>Distance measurement</s0><s5>27</s5></fC03><fC03 i1="02" i2="X" l="SPA"><s0>Medición distancia</s0><s5>27</s5></fC03><fC03 i1="03" i2="3" l="FRE"><s0>Mesure distance</s0><s5>28</s5></fC03><fC03 i1="03" i2="3" l="ENG"><s0>Distance measurement</s0><s5>28</s5></fC03><fC03 i1="04" i2="3" l="FRE"><s0>Déplacement vers le rouge</s0><s5>29</s5></fC03><fC03 i1="04" i2="3" l="ENG"><s0>Red shift</s0><s5>29</s5></fC03><fC03 i1="05" i2="X" l="FRE"><s0>Courbe couleur</s0><s5>30</s5></fC03><fC03 i1="05" i2="X" l="ENG"><s0>Color curve</s0><s5>30</s5></fC03><fC03 i1="05" i2="X" l="SPA"><s0>Curva color</s0><s5>30</s5></fC03><fC03 i1="06" i2="3" l="FRE"><s0>Courbe lumière</s0><s5>31</s5></fC03><fC03 i1="06" i2="3" l="ENG"><s0>Light curves</s0><s5>31</s5></fC03><fC03 i1="07" i2="3" l="FRE"><s0>Spectrométrie</s0><s5>32</s5></fC03><fC03 i1="07" i2="3" l="ENG"><s0>Spectroscopy</s0><s5>32</s5></fC03><fC03 i1="08" i2="X" l="FRE"><s0>Incertitude</s0><s5>33</s5></fC03><fC03 i1="08" i2="X" l="ENG"><s0>Uncertainty</s0><s5>33</s5></fC03><fC03 i1="08" i2="X" l="SPA"><s0>Incertidumbre</s0><s5>33</s5></fC03><fC03 i1="09" i2="3" l="FRE"><s0>Modélisation</s0><s5>34</s5></fC03><fC03 i1="09" i2="3" l="ENG"><s0>Modelling</s0><s5>34</s5></fC03><fC03 i1="10" i2="3" l="FRE"><s0>Couleur</s0><s5>35</s5></fC03><fC03 i1="10" i2="3" l="ENG"><s0>Color</s0><s5>35</s5></fC03><fC03 i1="11" i2="3" l="FRE"><s0>Luminosité</s0><s5>36</s5></fC03><fC03 i1="11" i2="3" l="ENG"><s0>Luminosity</s0><s5>36</s5></fC03><fC03 i1="12" i2="3" l="FRE"><s0>Cosmologie</s0><s5>37</s5></fC03><fC03 i1="12" i2="3" l="ENG"><s0>Cosmology</s0><s5>37</s5></fC03><fN21><s1>087</s1></fN21><fN44 i1="01"><s1>OTO</s1></fN44><fN82><s1>OTO</s1></fN82></pA></standard></inist></record>Pour manipuler ce document sous Unix (Dilib)
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