AustralieFrV1, Main, Exploration, bibRecord, 006966

KECK OBSERVATIONS OF THE YOUNG METAL-POOR HOST GALAXY OF THE SUPER-CHANDRASEKHAR-MASS TYPE Ia SUPERNOVA SN 2007if

Identifieur interne : 006966 ( Main/Exploration ); précédent : 006965; suivant : 006967

KECK OBSERVATIONS OF THE YOUNG METAL-POOR HOST GALAXY OF THE SUPER-CHANDRASEKHAR-MASS TYPE Ia SUPERNOVA SN 2007if

Auteurs : M. Childress [États-Unis] ; G. Aldering [États-Unis] ; C. Aragon [États-Unis] ; P. Antilogus [France] ; S. Bailey [États-Unis] ; C. Baltay [États-Unis] ; S. Bongard [France] ; C. Buton [Allemagne] ; A. Canto [France] ; N. Chotard [France] ; Y. Copin [France] ; H. K. Fakhouri [États-Unis] ; E. Gangler [France] ; M. Kerschhaggl [Allemagne] ; M. Kowalski [Allemagne] ; E. Y. Hsiao [États-Unis] ; S. Loken [États-Unis] ; P. Nugent [États-Unis] ; K. Paech [Allemagne] ; R. Pain [France] ; E. Pecontal [France] ; R. Pereira [France] ; S. Perlmutter [États-Unis] ; D. Rabinowitz [États-Unis] ; K. Runge [États-Unis] ; R. Scalzo [États-Unis, Australie] ; R. C. Thomas [États-Unis] ; G. Smadja [France] ; C. Tao [France, République populaire de Chine] ; B. A. Weaver [États-Unis] ; C. Wu [France]

Source :

The Astrophysical journal [ 0004-637X ] ; 2011.

RBID : Pascal:11-0258003

Descripteurs français

Pascal (Inist)
- Galaxies à flambée, Supernova type I, Spectrométrie, Photométrie, Luminosité, Déplacement vers le rouge, Magnitude absolue, Couleur, Rapport masse luminosité, Masse stellaire, Continuum, Age, Métallicité, Raie émission, Abondance, Galaxies naines.
Wicri :
- topic : Spectrométrie.

English descriptors

KwdEn :
- Absolute magnitude, Abundance, Age, Color, Continuum, Dwarf galaxies, Emission line, Luminosity, Mass to light ratio, Metallicity, Photometry, Red shift, Spectroscopy, Starburst galaxies, Stellar mass, Type I supernova.

Abstract

We present Keck LRIS spectroscopy and g-band photometry of the metal-poor, low-luminosity host galaxy of the super-Chandrasekhar-mass Type Ia supernova SN 2007if. Deep imaging of the host reveals its apparent magnitude to be mg = 23.15 ± 0.06, which at the spectroscopically measured redshift of Z_helio = 0.07450 ± 0.00015 corresponds to an absolute magnitude of M_g= -14.45 ± 0.06. Galaxy g - r color constrains the mass-to-light ratio, giving a host stellar mass estimate of log(M_*/M_◦.) = 7.32 ± 0.17. Balmer absorption in the stellar continuum, along with the strength of the 4000 Å break, constrains the age of the dominant starburst in the galaxy to be t_burst = 123±¹⁶⁵_-77 Myr, corresponding to a main-sequence turnoff mass of M/M_◦. = 4.6^+2.6_-1.4. Using the R₂₃ method of calculating metallicity from the fluxes of strong emission lines, we determine the host oxygen abundance to be 12 + log(O/H)_KK04 = 8.01 ± 0.09, significantly lower than any previously reported spectroscopically measured Type Ia supernova host galaxy metallicity. Our data show that SN 2007if is very likely to have originated from a young, metal-poor progenitor.

Affiliations:

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Le document en format XML

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</affiliation>
</author>
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<sourceDesc><biblStruct><analytic><title xml:lang="en" level="a">KECK OBSERVATIONS OF THE YOUNG METAL-POOR HOST GALAXY OF THE SUPER-CHANDRASEKHAR-MASS TYPE Ia SUPERNOVA SN 2007if</title>
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<country>France</country>
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</author>
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<wicri:noRegion>531 15 Bonn</wicri:noRegion>
<wicri:noRegion>Nussallee 12</wicri:noRegion>
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<author><name sortKey="Pain, R" sort="Pain, R" uniqKey="Pain R" first="R." last="Pain">R. Pain</name>
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<s2>75252 Paris</s2>
<s3>FRA</s3>
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</placeName>
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<author><name sortKey="Pecontal, E" sort="Pecontal, E" uniqKey="Pecontal E" first="E." last="Pecontal">E. Pecontal</name>
<affiliation wicri:level="1"><inist:fA14 i1="08"><s1>Centre de Recherche Astronomique de Lyon, Université Lyon 1, 9 Avenue Charles André</s1>
<s2>69561 Saint Genis Laval</s2>
<s3>FRA</s3>
<sZ>21 aut.</sZ>
</inist:fA14>
<country>France</country>
<wicri:noRegion>69561 Saint Genis Laval</wicri:noRegion>
<wicri:noRegion>9 Avenue Charles André</wicri:noRegion>
<wicri:noRegion>69561 Saint Genis Laval</wicri:noRegion>
</affiliation>
</author>
<author><name sortKey="Pereira, R" sort="Pereira, R" uniqKey="Pereira R" first="R." last="Pereira">R. Pereira</name>
<affiliation wicri:level="1"><inist:fA14 i1="06"><s1>Université de Lyon, 69622, Lyon; Université de Lyon 1, Villeurbanne; CNRS/IN2P3, Institut de Physique Nucleaire de Lyon</s1>
<s3>FRA</s3>
<sZ>10 aut.</sZ>
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</inist:fA14>
<country>France</country>
<wicri:noRegion>Institut de Physique Nucleaire de Lyon</wicri:noRegion>
<wicri:noRegion>Université de Lyon, 69622, Lyon; Université de Lyon 1, Villeurbanne; CNRS/IN2P3, Institut de Physique Nucleaire de Lyon</wicri:noRegion>
</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="01"><s1>Physics Division, Lawrence Berkeley National Laboratory, 1 Cyclotron Road</s1>
<s2>Berkeley, CA 94720</s2>
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<affiliation wicri:level="1"><inist:fA14 i1="02"><s1>Department of Physics, University of California Berkeley, 366 LeConte Hall MC 7300</s1>
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<author><name sortKey="Rabinowitz, D" sort="Rabinowitz, D" uniqKey="Rabinowitz D" first="D." last="Rabinowitz">D. Rabinowitz</name>
<affiliation wicri:level="1"><inist:fA14 i1="04"><s1>Department of Physics, Yale University</s1>
<s2>New Haven, CT 06250-8121</s2>
<s3>USA</s3>
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<author><name sortKey="Runge, K" sort="Runge, K" uniqKey="Runge K" first="K." last="Runge">K. Runge</name>
<affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Physics Division, Lawrence Berkeley National Laboratory, 1 Cyclotron Road</s1>
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<country>États-Unis</country>
<wicri:noRegion>Berkeley, CA 94720</wicri:noRegion>
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</author>
<author><name sortKey="Scalzo, R" sort="Scalzo, R" uniqKey="Scalzo R" first="R." last="Scalzo">R. Scalzo</name>
<affiliation wicri:level="1"><inist:fA14 i1="04"><s1>Department of Physics, Yale University</s1>
<s2>New Haven, CT 06250-8121</s2>
<s3>USA</s3>
<sZ>6 aut.</sZ>
<sZ>24 aut.</sZ>
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<country>États-Unis</country>
<wicri:noRegion>New Haven, CT 06250-8121</wicri:noRegion>
</affiliation>
<affiliation wicri:level="1"><inist:fA14 i1="09"><s1>Research School of Astronomy & Astrophysics, Mount Stromlo Observatory, The Australian National University, Cotter Road</s1>
<s2>Weston ACT 2611</s2>
<s3>AUS</s3>
<sZ>26 aut.</sZ>
</inist:fA14>
<country>Australie</country>
<wicri:noRegion>Weston ACT 2611</wicri:noRegion>
</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 wicri:level="1"><inist:fA14 i1="07"><s1>Computational Cosmology Center, Computational Research Division, Lawrence Berkeley National Laboratory, 1 Cyclotron Road MS 50B-4206</s1>
<s2>Berkeley, CA 94611</s2>
<s3>USA</s3>
<sZ>18 aut.</sZ>
<sZ>27 aut.</sZ>
</inist:fA14>
<country>États-Unis</country>
<wicri:noRegion>Berkeley, CA 94611</wicri:noRegion>
</affiliation>
</author>
<author><name sortKey="Smadja, G" sort="Smadja, G" uniqKey="Smadja G" first="G." last="Smadja">G. Smadja</name>
<affiliation wicri:level="1"><inist:fA14 i1="06"><s1>Université de Lyon, 69622, Lyon; Université de Lyon 1, Villeurbanne; CNRS/IN2P3, Institut de Physique Nucleaire de Lyon</s1>
<s3>FRA</s3>
<sZ>10 aut.</sZ>
<sZ>11 aut.</sZ>
<sZ>13 aut.</sZ>
<sZ>22 aut.</sZ>
<sZ>28 aut.</sZ>
</inist:fA14>
<country>France</country>
<wicri:noRegion>Institut de Physique Nucleaire de Lyon</wicri:noRegion>
<wicri:noRegion>Université de Lyon, 69622, Lyon; Université de Lyon 1, Villeurbanne; CNRS/IN2P3, Institut de Physique Nucleaire de Lyon</wicri:noRegion>
</affiliation>
</author>
<author><name sortKey="Tao, C" sort="Tao, C" uniqKey="Tao C" first="C." last="Tao">C. Tao</name>
<affiliation wicri:level="1"><inist:fA14 i1="10"><s1>Centre de Physique des Particules de Marseille, 163, avenue de Luminy, Case 902</s1>
<s2>13288 Marseille</s2>
<s3>FRA</s3>
<sZ>29 aut.</sZ>
</inist:fA14>
<country>France</country>
<wicri:noRegion>13288 Marseille</wicri:noRegion>
<placeName><settlement type="city">Marseille</settlement>
<region type="région" nuts="2">Provence-Alpes-Côte d'Azur</region>
</placeName>
</affiliation>
<affiliation wicri:level="1"><inist:fA14 i1="11"><s1>Tsinghua Center for Astrophysics, Tsinghua University</s1>
<s2>Beijing 100084</s2>
<s3>CHN</s3>
<sZ>29 aut.</sZ>
</inist:fA14>
<country>République populaire de Chine</country>
<placeName><settlement type="city">Pékin</settlement>
</placeName>
</affiliation>
</author>
<author><name sortKey="Weaver, B A" sort="Weaver, B A" uniqKey="Weaver B" first="B. A." last="Weaver">B. A. Weaver</name>
<affiliation wicri:level="1"><inist:fA14 i1="12"><s1>New York University, Center for Cosmology & Particle Physics, 4 Washington Place</s1>
<s2>New York, NY 10003</s2>
<s3>USA</s3>
<sZ>30 aut.</sZ>
</inist:fA14>
<country>États-Unis</country>
<wicri:noRegion>New York, NY 10003</wicri:noRegion>
</affiliation>
</author>
<author><name sortKey="Wu, C" sort="Wu, C" uniqKey="Wu C" first="C." last="Wu">C. Wu</name>
<affiliation wicri:level="1"><inist:fA14 i1="03"><s1>Laboratoire de Physique Nucleaire et des Hautes Energies, Université Pierre et Marie Curie Paris 6, Université Paris Diderot Paris 7, CNRS-IN2P3, 4 place Jussieu</s1>
<s2>75252 Paris</s2>
<s3>FRA</s3>
<sZ>4 aut.</sZ>
<sZ>7 aut.</sZ>
<sZ>9 aut.</sZ>
<sZ>20 aut.</sZ>
<sZ>31 aut.</sZ>
</inist:fA14>
<country>France</country>
<wicri:noRegion>75252 Paris</wicri:noRegion>
<placeName><settlement type="city">Paris</settlement>
<region type="région" nuts="2">Île-de-France</region>
</placeName>
</affiliation>
</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="2011">2011</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>Absolute magnitude</term>
<term>Abundance</term>
<term>Age</term>
<term>Color</term>
<term>Continuum</term>
<term>Dwarf galaxies</term>
<term>Emission line</term>
<term>Luminosity</term>
<term>Mass to light ratio</term>
<term>Metallicity</term>
<term>Photometry</term>
<term>Red shift</term>
<term>Spectroscopy</term>
<term>Starburst galaxies</term>
<term>Stellar mass</term>
<term>Type I supernova</term>
</keywords>
<keywords scheme="Pascal" xml:lang="fr"><term>Galaxies à flambée</term>
<term>Supernova type I</term>
<term>Spectrométrie</term>
<term>Photométrie</term>
<term>Luminosité</term>
<term>Déplacement vers le rouge</term>
<term>Magnitude absolue</term>
<term>Couleur</term>
<term>Rapport masse luminosité</term>
<term>Masse stellaire</term>
<term>Continuum</term>
<term>Age</term>
<term>Métallicité</term>
<term>Raie émission</term>
<term>Abondance</term>
<term>Galaxies naines</term>
</keywords>
<keywords scheme="Wicri" type="topic" xml:lang="fr"><term>Spectrométrie</term>
</keywords>
</textClass>
</profileDesc>
</teiHeader>
<front><div type="abstract" xml:lang="en">We present Keck LRIS spectroscopy and g-band photometry of the metal-poor, low-luminosity host galaxy of the super-Chandrasekhar-mass Type Ia supernova SN 2007if. Deep imaging of the host reveals its apparent magnitude to be mg = 23.15 ± 0.06, which at the spectroscopically measured redshift of Z<sub>helio</sub>
 = 0.07450 ± 0.00015 corresponds to an absolute magnitude of M<sub>g </sub>
= -14.45 ± 0.06. Galaxy g - r color constrains the mass-to-light ratio, giving a host stellar mass estimate of log(M<sub>*</sub>
/M<sub>◦.</sub>
) = 7.32 ± 0.17. Balmer absorption in the stellar continuum, along with the strength of the 4000 Å break, constrains the age of the dominant starburst in the galaxy to be t<sub>burst</sub>
 = 123±<sup>165</sup>
<sub>-77</sub>
 Myr, corresponding to a main-sequence turnoff mass of M/M<sub>◦.</sub>
 = 4.6<sup>+2.6</sup>
<sub>-1.4</sub>
. Using the R<sub>23</sub>
 method of calculating metallicity from the fluxes of strong emission lines, we determine the host oxygen abundance to be 12 + log(O/H)<sub>KK04</sub>
 = 8.01 ± 0.09, significantly lower than any previously reported spectroscopically measured Type Ia supernova host galaxy metallicity. Our data show that SN 2007if is very likely to have originated from a young, metal-poor progenitor.</div>
</front>
</TEI>
<affiliations><list><country><li>Allemagne</li>
<li>Australie</li>
<li>France</li>
<li>République populaire de Chine</li>
<li>États-Unis</li>
</country>
<region><li>Provence-Alpes-Côte d'Azur</li>
<li>Île-de-France</li>
</region>
<settlement><li>Marseille</li>
<li>Paris</li>
<li>Pékin</li>
</settlement>
</list>
<tree><country name="États-Unis"><noRegion><name sortKey="Childress, M" sort="Childress, M" uniqKey="Childress M" first="M." last="Childress">M. Childress</name>
</noRegion>
<name sortKey="Aldering, G" sort="Aldering, G" uniqKey="Aldering G" first="G." last="Aldering">G. Aldering</name>
<name sortKey="Aragon, C" sort="Aragon, C" uniqKey="Aragon C" first="C." last="Aragon">C. Aragon</name>
<name sortKey="Bailey, S" sort="Bailey, S" uniqKey="Bailey S" first="S." last="Bailey">S. Bailey</name>
<name sortKey="Baltay, C" sort="Baltay, C" uniqKey="Baltay C" first="C." last="Baltay">C. Baltay</name>
<name sortKey="Childress, M" sort="Childress, M" uniqKey="Childress M" first="M." last="Childress">M. Childress</name>
<name sortKey="Fakhouri, H K" sort="Fakhouri, H K" uniqKey="Fakhouri H" first="H. K." last="Fakhouri">H. K. Fakhouri</name>
<name sortKey="Fakhouri, H K" sort="Fakhouri, H K" uniqKey="Fakhouri H" first="H. K." last="Fakhouri">H. K. Fakhouri</name>
<name sortKey="Hsiao, E Y" sort="Hsiao, E Y" uniqKey="Hsiao E" first="E. Y." last="Hsiao">E. Y. Hsiao</name>
<name sortKey="Loken, S" sort="Loken, S" uniqKey="Loken S" first="S." last="Loken">S. Loken</name>
<name sortKey="Nugent, P" sort="Nugent, P" uniqKey="Nugent P" first="P." last="Nugent">P. Nugent</name>
<name sortKey="Perlmutter, S" sort="Perlmutter, S" uniqKey="Perlmutter S" first="S." last="Perlmutter">S. Perlmutter</name>
<name sortKey="Perlmutter, S" sort="Perlmutter, S" uniqKey="Perlmutter S" first="S." last="Perlmutter">S. Perlmutter</name>
<name sortKey="Rabinowitz, D" sort="Rabinowitz, D" uniqKey="Rabinowitz D" first="D." last="Rabinowitz">D. Rabinowitz</name>
<name sortKey="Runge, K" sort="Runge, K" uniqKey="Runge K" first="K." last="Runge">K. Runge</name>
<name sortKey="Scalzo, R" sort="Scalzo, R" uniqKey="Scalzo R" first="R." last="Scalzo">R. Scalzo</name>
<name sortKey="Thomas, R C" sort="Thomas, R C" uniqKey="Thomas R" first="R. C." last="Thomas">R. C. Thomas</name>
<name sortKey="Weaver, B A" sort="Weaver, B A" uniqKey="Weaver B" first="B. A." last="Weaver">B. A. Weaver</name>
</country>
<country name="France"><region name="Île-de-France"><name sortKey="Antilogus, P" sort="Antilogus, P" uniqKey="Antilogus P" first="P." last="Antilogus">P. Antilogus</name>
</region>
<name sortKey="Bongard, S" sort="Bongard, S" uniqKey="Bongard S" first="S." last="Bongard">S. Bongard</name>
<name sortKey="Canto, A" sort="Canto, A" uniqKey="Canto A" first="A." last="Canto">A. Canto</name>
<name sortKey="Chotard, N" sort="Chotard, N" uniqKey="Chotard N" first="N." last="Chotard">N. Chotard</name>
<name sortKey="Copin, Y" sort="Copin, Y" uniqKey="Copin Y" first="Y." last="Copin">Y. Copin</name>
<name sortKey="Gangler, E" sort="Gangler, E" uniqKey="Gangler E" first="E." last="Gangler">E. Gangler</name>
<name sortKey="Pain, R" sort="Pain, R" uniqKey="Pain R" first="R." last="Pain">R. Pain</name>
<name sortKey="Pecontal, E" sort="Pecontal, E" uniqKey="Pecontal E" first="E." last="Pecontal">E. Pecontal</name>
<name sortKey="Pereira, R" sort="Pereira, R" uniqKey="Pereira R" first="R." last="Pereira">R. Pereira</name>
<name sortKey="Smadja, G" sort="Smadja, G" uniqKey="Smadja G" first="G." last="Smadja">G. Smadja</name>
<name sortKey="Tao, C" sort="Tao, C" uniqKey="Tao C" first="C." last="Tao">C. Tao</name>
<name sortKey="Wu, C" sort="Wu, C" uniqKey="Wu C" first="C." last="Wu">C. Wu</name>
</country>
<country name="Allemagne"><noRegion><name sortKey="Buton, C" sort="Buton, C" uniqKey="Buton C" first="C." last="Buton">C. Buton</name>
</noRegion>
<name sortKey="Kerschhaggl, M" sort="Kerschhaggl, M" uniqKey="Kerschhaggl M" first="M." last="Kerschhaggl">M. Kerschhaggl</name>
<name sortKey="Kowalski, M" sort="Kowalski, M" uniqKey="Kowalski M" first="M." last="Kowalski">M. Kowalski</name>
<name sortKey="Paech, K" sort="Paech, K" uniqKey="Paech K" first="K." last="Paech">K. Paech</name>
</country>
<country name="Australie"><noRegion><name sortKey="Scalzo, R" sort="Scalzo, R" uniqKey="Scalzo R" first="R." last="Scalzo">R. Scalzo</name>
</noRegion>
</country>
<country name="République populaire de Chine"><noRegion><name sortKey="Tao, C" sort="Tao, C" uniqKey="Tao C" first="C." last="Tao">C. Tao</name>
</noRegion>
</country>
</tree>
</affiliations>
</record>

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KECK OBSERVATIONS OF THE YOUNG METAL-POOR HOST GALAXY OF THE SUPER-CHANDRASEKHAR-MASS TYPE Ia SUPERNOVA SN 2007if

KECK OBSERVATIONS OF THE YOUNG METAL-POOR HOST GALAXY OF THE SUPER-CHANDRASEKHAR-MASS TYPE Ia SUPERNOVA SN 2007if

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