Astronomy. ASASSN-15lh: A highly super-luminous supernova.
Identifieur interne : 003058 ( Ncbi/Curation ); précédent : 003057; suivant : 003059Astronomy. ASASSN-15lh: A highly super-luminous supernova.
Auteurs : Subo Dong [République populaire de Chine] ; B J Shappee [États-Unis] ; J L Prieto [Chili] ; S W Jha [États-Unis] ; K Z Stanek [États-Unis] ; T W-S Holoien [États-Unis] ; C S Kochanek [États-Unis] ; T A Thompson [États-Unis] ; N. Morrell [Chili] ; I B Thompson [États-Unis] ; U. Basu [États-Unis] ; J F Beacom [États-Unis] ; D. Bersier [Royaume-Uni] ; J. Brimacombe [Australie] ; J S Brown [États-Unis] ; F. Bufano [Italie] ; Ping Chen [République populaire de Chine] ; E. Conseil [France] ; A B Danilet [États-Unis] ; E. Falco [États-Unis] ; D. Grupe [États-Unis] ; S. Kiyota [Japon] ; G. Masi [Italie] ; B. Nicholls [Nouvelle-Zélande] ; F. Olivares E [Chili] ; G. Pignata [Chili] ; G. Pojmanski [Pologne] ; G V Simonian [États-Unis] ; D M Szczygiel [Pologne] ; P R Wo Niak [États-Unis]Source :
- Science (New York, N.Y.) [ 1095-9203 ] ; 2016.
Abstract
We report the discovery of ASASSN-15lh (SN 2015L), which we interpret as the most luminous supernova yet found. At redshift z = 0.2326, ASASSN-15lh reached an absolute magnitude of Mu ,AB = -23.5 ± 0.1 and bolometric luminosity Lbol = (2.2 ± 0.2) × 10(45) ergs s(-1), which is more than twice as luminous as any previously known supernova. It has several major features characteristic of the hydrogen-poor super-luminous supernovae (SLSNe-I), whose energy sources and progenitors are currently poorly understood. In contrast to most previously known SLSNe-I that reside in star-forming dwarf galaxies, ASASSN-15lh appears to be hosted by a luminous galaxy (MK ≈ -25.5) with little star formation. In the 4 months since first detection, ASASSN-15lh radiated (1.1 ± 0.2) × 10(52) ergs, challenging the magnetar model for its engine.
DOI: 10.1126/science.aac9613
PubMed: 26816375
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<author><name sortKey="Jha, S W" sort="Jha, S W" uniqKey="Jha S" first="S W" last="Jha">S W Jha</name>
<affiliation wicri:level="2"><nlm:affiliation>Department of Physics and Astronomy, Rutgers, The State University of New Jersey, 136 Frelinghuysen Road, Piscataway, NJ 08854, USA.</nlm:affiliation>
<country xml:lang="fr">États-Unis</country>
<wicri:regionArea>Department of Physics and Astronomy, Rutgers, The State University of New Jersey, 136 Frelinghuysen Road, Piscataway, NJ 08854</wicri:regionArea>
<placeName><region type="state">New Jersey</region>
</placeName>
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<author><name sortKey="Stanek, K Z" sort="Stanek, K Z" uniqKey="Stanek K" first="K Z" last="Stanek">K Z Stanek</name>
<affiliation wicri:level="2"><nlm:affiliation>Department of Astronomy, The Ohio State University, 140 W. 18th Avenue, Columbus, OH 43210, USA. Center for Cosmology and AstroParticle Physics (CCAPP), The Ohio State University, 191 W. Woodruff Avenue, Columbus, OH 43210, USA.</nlm:affiliation>
<country xml:lang="fr">États-Unis</country>
<wicri:regionArea>Department of Astronomy, The Ohio State University, 140 W. 18th Avenue, Columbus, OH 43210, USA. Center for Cosmology and AstroParticle Physics (CCAPP), The Ohio State University, 191 W. Woodruff Avenue, Columbus, OH 43210</wicri:regionArea>
<placeName><region type="state">Ohio</region>
</placeName>
</affiliation>
</author>
<author><name sortKey="Holoien, T W S" sort="Holoien, T W S" uniqKey="Holoien T" first="T W-S" last="Holoien">T W-S Holoien</name>
<affiliation wicri:level="2"><nlm:affiliation>Department of Astronomy, The Ohio State University, 140 W. 18th Avenue, Columbus, OH 43210, USA. Center for Cosmology and AstroParticle Physics (CCAPP), The Ohio State University, 191 W. Woodruff Avenue, Columbus, OH 43210, USA.</nlm:affiliation>
<country xml:lang="fr">États-Unis</country>
<wicri:regionArea>Department of Astronomy, The Ohio State University, 140 W. 18th Avenue, Columbus, OH 43210, USA. Center for Cosmology and AstroParticle Physics (CCAPP), The Ohio State University, 191 W. Woodruff Avenue, Columbus, OH 43210</wicri:regionArea>
<placeName><region type="state">Ohio</region>
</placeName>
</affiliation>
</author>
<author><name sortKey="Kochanek, C S" sort="Kochanek, C S" uniqKey="Kochanek C" first="C S" last="Kochanek">C S Kochanek</name>
<affiliation wicri:level="2"><nlm:affiliation>Department of Astronomy, The Ohio State University, 140 W. 18th Avenue, Columbus, OH 43210, USA. Center for Cosmology and AstroParticle Physics (CCAPP), The Ohio State University, 191 W. Woodruff Avenue, Columbus, OH 43210, USA.</nlm:affiliation>
<country xml:lang="fr">États-Unis</country>
<wicri:regionArea>Department of Astronomy, The Ohio State University, 140 W. 18th Avenue, Columbus, OH 43210, USA. Center for Cosmology and AstroParticle Physics (CCAPP), The Ohio State University, 191 W. Woodruff Avenue, Columbus, OH 43210</wicri:regionArea>
<placeName><region type="state">Ohio</region>
</placeName>
</affiliation>
</author>
<author><name sortKey="Thompson, T A" sort="Thompson, T A" uniqKey="Thompson T" first="T A" last="Thompson">T A Thompson</name>
<affiliation wicri:level="2"><nlm:affiliation>Department of Astronomy, The Ohio State University, 140 W. 18th Avenue, Columbus, OH 43210, USA. Center for Cosmology and AstroParticle Physics (CCAPP), The Ohio State University, 191 W. Woodruff Avenue, Columbus, OH 43210, USA.</nlm:affiliation>
<country xml:lang="fr">États-Unis</country>
<wicri:regionArea>Department of Astronomy, The Ohio State University, 140 W. 18th Avenue, Columbus, OH 43210, USA. Center for Cosmology and AstroParticle Physics (CCAPP), The Ohio State University, 191 W. Woodruff Avenue, Columbus, OH 43210</wicri:regionArea>
<placeName><region type="state">Ohio</region>
</placeName>
</affiliation>
</author>
<author><name sortKey="Morrell, N" sort="Morrell, N" uniqKey="Morrell N" first="N" last="Morrell">N. Morrell</name>
<affiliation wicri:level="1"><nlm:affiliation>Las Campanas Observatory, Carnegie Observatories, Casilla 601, La Serena, Chile.</nlm:affiliation>
<country xml:lang="fr">Chili</country>
<wicri:regionArea>Las Campanas Observatory, Carnegie Observatories, Casilla 601, La Serena</wicri:regionArea>
<wicri:noRegion>La Serena</wicri:noRegion>
</affiliation>
</author>
<author><name sortKey="Thompson, I B" sort="Thompson, I B" uniqKey="Thompson I" first="I B" last="Thompson">I B Thompson</name>
<affiliation wicri:level="2"><nlm:affiliation>Carnegie Observatories, 813 Santa Barbara Street, Pasadena, CA 91101, USA.</nlm:affiliation>
<country xml:lang="fr">États-Unis</country>
<wicri:regionArea>Carnegie Observatories, 813 Santa Barbara Street, Pasadena, CA 91101</wicri:regionArea>
<placeName><region type="state">Californie</region>
</placeName>
</affiliation>
</author>
<author><name sortKey="Basu, U" sort="Basu, U" uniqKey="Basu U" first="U" last="Basu">U. Basu</name>
<affiliation wicri:level="2"><nlm:affiliation>Department of Astronomy, The Ohio State University, 140 W. 18th Avenue, Columbus, OH 43210, USA.</nlm:affiliation>
<country xml:lang="fr">États-Unis</country>
<wicri:regionArea>Department of Astronomy, The Ohio State University, 140 W. 18th Avenue, Columbus, OH 43210</wicri:regionArea>
<placeName><region type="state">Ohio</region>
</placeName>
</affiliation>
</author>
<author><name sortKey="Beacom, J F" sort="Beacom, J F" uniqKey="Beacom J" first="J F" last="Beacom">J F Beacom</name>
<affiliation wicri:level="2"><nlm:affiliation>Department of Astronomy, The Ohio State University, 140 W. 18th Avenue, Columbus, OH 43210, USA. Center for Cosmology and AstroParticle Physics (CCAPP), The Ohio State University, 191 W. Woodruff Avenue, Columbus, OH 43210, USA. Department of Physics, The Ohio State University, 191 W. Woodruff Avenue, Columbus, OH 43210, USA.</nlm:affiliation>
<country xml:lang="fr">États-Unis</country>
<wicri:regionArea>Department of Astronomy, The Ohio State University, 140 W. 18th Avenue, Columbus, OH 43210, USA. Center for Cosmology and AstroParticle Physics (CCAPP), The Ohio State University, 191 W. Woodruff Avenue, Columbus, OH 43210, USA. Department of Physics, The Ohio State University, 191 W. Woodruff Avenue, Columbus, OH 43210</wicri:regionArea>
<placeName><region type="state">Ohio</region>
</placeName>
</affiliation>
</author>
<author><name sortKey="Bersier, D" sort="Bersier, D" uniqKey="Bersier D" first="D" last="Bersier">D. Bersier</name>
<affiliation wicri:level="1"><nlm:affiliation>Astrophysics Research Institute, Liverpool John Moores University, 146 Brownlow Hill, Liverpool L3 5RF, UK.</nlm:affiliation>
<country xml:lang="fr">Royaume-Uni</country>
<wicri:regionArea>Astrophysics Research Institute, Liverpool John Moores University, 146 Brownlow Hill, Liverpool L3 5RF</wicri:regionArea>
<wicri:noRegion>Liverpool L3 5RF</wicri:noRegion>
</affiliation>
</author>
<author><name sortKey="Brimacombe, J" sort="Brimacombe, J" uniqKey="Brimacombe J" first="J" last="Brimacombe">J. Brimacombe</name>
<affiliation wicri:level="1"><nlm:affiliation>Coral Towers Observatory, Cairns, Queensland 4870, Australia.</nlm:affiliation>
<country xml:lang="fr">Australie</country>
<wicri:regionArea>Coral Towers Observatory, Cairns, Queensland 4870</wicri:regionArea>
<wicri:noRegion>Queensland 4870</wicri:noRegion>
</affiliation>
</author>
<author><name sortKey="Brown, J S" sort="Brown, J S" uniqKey="Brown J" first="J S" last="Brown">J S Brown</name>
<affiliation wicri:level="2"><nlm:affiliation>Department of Astronomy, The Ohio State University, 140 W. 18th Avenue, Columbus, OH 43210, USA.</nlm:affiliation>
<country xml:lang="fr">États-Unis</country>
<wicri:regionArea>Department of Astronomy, The Ohio State University, 140 W. 18th Avenue, Columbus, OH 43210</wicri:regionArea>
<placeName><region type="state">Ohio</region>
</placeName>
</affiliation>
</author>
<author><name sortKey="Bufano, F" sort="Bufano, F" uniqKey="Bufano F" first="F" last="Bufano">F. Bufano</name>
<affiliation wicri:level="1"><nlm:affiliation>INAF-Osservatorio Astrofisico di Catania, Via S.Sofia 78, 95123, Catania, Italy.</nlm:affiliation>
<country xml:lang="fr">Italie</country>
<wicri:regionArea>INAF-Osservatorio Astrofisico di Catania, Via S.Sofia 78, 95123, Catania</wicri:regionArea>
<wicri:noRegion>Catania</wicri:noRegion>
</affiliation>
</author>
<author><name sortKey="Chen, Ping" sort="Chen, Ping" uniqKey="Chen P" first="Ping" last="Chen">Ping Chen</name>
<affiliation wicri:level="4"><nlm:affiliation>Department of Astronomy, Peking University, Yi He Yuan Road 5, Hai Dian District, 100871, P. R. China.</nlm:affiliation>
<orgName type="university">Université de Pékin</orgName>
<country>République populaire de Chine</country>
<placeName><settlement type="city">Pékin</settlement>
<region type="capitale">Pékin</region>
</placeName>
</affiliation>
</author>
<author><name sortKey="Conseil, E" sort="Conseil, E" uniqKey="Conseil E" first="E" last="Conseil">E. Conseil</name>
<affiliation wicri:level="1"><nlm:affiliation>Association Francaise des Observateurs d'Etoiles Variables (AFOEV), Observatoire de Strasbourg 11, rue de l'Université, F-67000 Strasbourg, France.</nlm:affiliation>
<country xml:lang="fr">France</country>
<wicri:regionArea>Association Francaise des Observateurs d'Etoiles Variables (AFOEV), Observatoire de Strasbourg 11, rue de l'Université, F-67000 Strasbourg</wicri:regionArea>
<wicri:noRegion>67000 Strasbourg</wicri:noRegion>
<wicri:noRegion>67000 Strasbourg</wicri:noRegion>
</affiliation>
</author>
<author><name sortKey="Danilet, A B" sort="Danilet, A B" uniqKey="Danilet A" first="A B" last="Danilet">A B Danilet</name>
<affiliation wicri:level="2"><nlm:affiliation>Department of Astronomy, The Ohio State University, 140 W. 18th Avenue, Columbus, OH 43210, USA.</nlm:affiliation>
<country xml:lang="fr">États-Unis</country>
<wicri:regionArea>Department of Astronomy, The Ohio State University, 140 W. 18th Avenue, Columbus, OH 43210</wicri:regionArea>
<placeName><region type="state">Ohio</region>
</placeName>
</affiliation>
</author>
<author><name sortKey="Falco, E" sort="Falco, E" uniqKey="Falco E" first="E" last="Falco">E. Falco</name>
<affiliation wicri:level="2"><nlm:affiliation>Harvard-Smithsonian Center for Astrophysics, 60 Garden Street, Cambridge, MA 02138, USA.</nlm:affiliation>
<country xml:lang="fr">États-Unis</country>
<wicri:regionArea>Harvard-Smithsonian Center for Astrophysics, 60 Garden Street, Cambridge, MA 02138</wicri:regionArea>
<placeName><region type="state">Massachusetts</region>
</placeName>
</affiliation>
</author>
<author><name sortKey="Grupe, D" sort="Grupe, D" uniqKey="Grupe D" first="D" last="Grupe">D. Grupe</name>
<affiliation wicri:level="2"><nlm:affiliation>Department of Earth and Space Science, Morehead State University, 235 Martindale Drive, Morehead, KY 40351, USA.</nlm:affiliation>
<country xml:lang="fr">États-Unis</country>
<wicri:regionArea>Department of Earth and Space Science, Morehead State University, 235 Martindale Drive, Morehead, KY 40351</wicri:regionArea>
<placeName><region type="state">Kentucky</region>
</placeName>
</affiliation>
</author>
<author><name sortKey="Kiyota, S" sort="Kiyota, S" uniqKey="Kiyota S" first="S" last="Kiyota">S. Kiyota</name>
<affiliation wicri:level="1"><nlm:affiliation>Variable Star Observers League in Japan (VSOLJ), 7-1 Kitahatsutomi, Kamagaya, Chiba 273-0126, Japan.</nlm:affiliation>
<country xml:lang="fr">Japon</country>
<wicri:regionArea>Variable Star Observers League in Japan (VSOLJ), 7-1 Kitahatsutomi, Kamagaya, Chiba 273-0126</wicri:regionArea>
<wicri:noRegion>Chiba 273-0126</wicri:noRegion>
</affiliation>
</author>
<author><name sortKey="Masi, G" sort="Masi, G" uniqKey="Masi G" first="G" last="Masi">G. Masi</name>
<affiliation wicri:level="1"><nlm:affiliation>The Virtual Telescope Project, Via Madonna de Loco 47, 03023 Ceccano, Italy.</nlm:affiliation>
<country xml:lang="fr">Italie</country>
<wicri:regionArea>The Virtual Telescope Project, Via Madonna de Loco 47, 03023 Ceccano</wicri:regionArea>
<wicri:noRegion>03023 Ceccano</wicri:noRegion>
</affiliation>
</author>
<author><name sortKey="Nicholls, B" sort="Nicholls, B" uniqKey="Nicholls B" first="B" last="Nicholls">B. Nicholls</name>
<affiliation wicri:level="1"><nlm:affiliation>Mt Vernon Observatory, 6 Mt Vernon pl, Nelson, New Zealand.</nlm:affiliation>
<country xml:lang="fr">Nouvelle-Zélande</country>
<wicri:regionArea>Mt Vernon Observatory, 6 Mt Vernon pl, Nelson</wicri:regionArea>
<wicri:noRegion>Nelson</wicri:noRegion>
</affiliation>
</author>
<author><name sortKey="Olivares E, F" sort="Olivares E, F" uniqKey="Olivares E F" first="F" last="Olivares E">F. Olivares E</name>
<affiliation wicri:level="1"><nlm:affiliation>Millennium Institute of Astrophysics, Santiago, Chile. Departamento Ciencias Fisicas, Universidad Andres Bello, Av. Republica 252, Santiago, Chile.</nlm:affiliation>
<country xml:lang="fr">Chili</country>
<wicri:regionArea>Millennium Institute of Astrophysics, Santiago, Chile. Departamento Ciencias Fisicas, Universidad Andres Bello, Av. Republica 252, Santiago</wicri:regionArea>
<wicri:noRegion>Santiago</wicri:noRegion>
</affiliation>
</author>
<author><name sortKey="Pignata, G" sort="Pignata, G" uniqKey="Pignata G" first="G" last="Pignata">G. Pignata</name>
<affiliation wicri:level="1"><nlm:affiliation>Millennium Institute of Astrophysics, Santiago, Chile. Departamento Ciencias Fisicas, Universidad Andres Bello, Av. Republica 252, Santiago, Chile.</nlm:affiliation>
<country xml:lang="fr">Chili</country>
<wicri:regionArea>Millennium Institute of Astrophysics, Santiago, Chile. Departamento Ciencias Fisicas, Universidad Andres Bello, Av. Republica 252, Santiago</wicri:regionArea>
<wicri:noRegion>Santiago</wicri:noRegion>
</affiliation>
</author>
<author><name sortKey="Pojmanski, G" sort="Pojmanski, G" uniqKey="Pojmanski G" first="G" last="Pojmanski">G. Pojmanski</name>
<affiliation wicri:level="1"><nlm:affiliation>Warsaw University Astronomical Observatory, Al. Ujazdowskie 4, 00-478 Warsaw, Poland.</nlm:affiliation>
<country xml:lang="fr">Pologne</country>
<wicri:regionArea>Warsaw University Astronomical Observatory, Al. Ujazdowskie 4, 00-478 Warsaw</wicri:regionArea>
<wicri:noRegion>00-478 Warsaw</wicri:noRegion>
</affiliation>
</author>
<author><name sortKey="Simonian, G V" sort="Simonian, G V" uniqKey="Simonian G" first="G V" last="Simonian">G V Simonian</name>
<affiliation wicri:level="2"><nlm:affiliation>Department of Astronomy, The Ohio State University, 140 W. 18th Avenue, Columbus, OH 43210, USA.</nlm:affiliation>
<country xml:lang="fr">États-Unis</country>
<wicri:regionArea>Department of Astronomy, The Ohio State University, 140 W. 18th Avenue, Columbus, OH 43210</wicri:regionArea>
<placeName><region type="state">Ohio</region>
</placeName>
</affiliation>
</author>
<author><name sortKey="Szczygiel, D M" sort="Szczygiel, D M" uniqKey="Szczygiel D" first="D M" last="Szczygiel">D M Szczygiel</name>
<affiliation wicri:level="1"><nlm:affiliation>Warsaw University Astronomical Observatory, Al. Ujazdowskie 4, 00-478 Warsaw, Poland.</nlm:affiliation>
<country xml:lang="fr">Pologne</country>
<wicri:regionArea>Warsaw University Astronomical Observatory, Al. Ujazdowskie 4, 00-478 Warsaw</wicri:regionArea>
<wicri:noRegion>00-478 Warsaw</wicri:noRegion>
</affiliation>
</author>
<author><name sortKey="Wo Niak, P R" sort="Wo Niak, P R" uniqKey="Wo Niak P" first="P R" last="Wo Niak">P R Wo Niak</name>
<affiliation wicri:level="2"><nlm:affiliation>Los Alamos National Laboratory, Mail Stop B244, Los Alamos, NM 87545, USA.</nlm:affiliation>
<country xml:lang="fr">États-Unis</country>
<wicri:regionArea>Los Alamos National Laboratory, Mail Stop B244, Los Alamos, NM 87545</wicri:regionArea>
<placeName><region type="state">Nouveau-Mexique</region>
</placeName>
</affiliation>
</author>
</analytic>
<series><title level="j">Science (New York, N.Y.)</title>
<idno type="eISSN">1095-9203</idno>
<imprint><date when="2016" type="published">2016</date>
</imprint>
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<front><div type="abstract" xml:lang="en">We report the discovery of ASASSN-15lh (SN 2015L), which we interpret as the most luminous supernova yet found. At redshift z = 0.2326, ASASSN-15lh reached an absolute magnitude of Mu ,AB = -23.5 ± 0.1 and bolometric luminosity Lbol = (2.2 ± 0.2) × 10(45) ergs s(-1), which is more than twice as luminous as any previously known supernova. It has several major features characteristic of the hydrogen-poor super-luminous supernovae (SLSNe-I), whose energy sources and progenitors are currently poorly understood. In contrast to most previously known SLSNe-I that reside in star-forming dwarf galaxies, ASASSN-15lh appears to be hosted by a luminous galaxy (MK ≈ -25.5) with little star formation. In the 4 months since first detection, ASASSN-15lh radiated (1.1 ± 0.2) × 10(52) ergs, challenging the magnetar model for its engine.</div>
</front>
</TEI>
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