PTF 11kx: A Type Ia Supernova with a Symbiotic Nova Progenitor-Reference-Cited by-同舟云学术

PTF 11kx: A Type Ia Supernova with a Symbiotic Nova Progenitor

Published:2012-08-24 Issue:6097 Volume:337 Page:942-945
ISSN:0036-8075
Container-title:Science
language:en
Short-container-title:Science

Author:

Dilday B.¹²,Howell D. A.¹²,Cenko S. B.³,Silverman J. M.³,Nugent P. E.³⁴,Sullivan M.⁵,Ben-Ami S.⁶,Bildsten L.²⁷,Bolte M.⁸,Endl M.⁹,Filippenko A. V.³,Gnat O.¹⁰,Horesh A.¹¹,Hsiao E.⁴¹²,Kasliwal M. M.¹¹¹³,Kirkman D.¹⁴,Maguire K.⁵,Marcy G. W.³,Moore K.²,Pan Y.⁵,Parrent J. T.¹¹⁵,Podsiadlowski P.⁵,Quimby R. M.¹⁶,Sternberg A.¹⁷,Suzuki N.⁴,Tytler D. R.¹⁴,Xu D.⁶,Bloom J. S.³,Gal-Yam A.¹⁸,Hook I. M.⁵,Kulkarni S. R.¹¹,Law N. M.¹⁹,Ofek E. O.¹⁸,Polishook D.²⁰,Poznanski D.²¹

Affiliation:

1. Las Cumbres Observatory Global Telescope Network, 6740 Cortona Drive, Suite 102, Goleta, CA 93117, USA.

2. Department of Physics, University of California, Santa Barbara, Broida Hall, Mail Code 9530, Santa Barbara, CA 93106–9530, USA.

3. Department of Astronomy, University of California, Berkeley, CA 94720–3411, USA.

4. Lawrence Berkeley National Laboratory, Mail Stop 50B-4206, 1 Cyclotron Road, Berkeley, CA 94720, USA.

5. Department of Physics (Astrophysics), University of Oxford, Keble Road, Oxford OX1 3RH, UK.

6. Department of Particle Physics and Astrophysics, Weizmann Institute of Science, Rehovot 76100, Israel.

7. Kavli Institute for Theoretical Physics, University of California, Santa Barbara, CA 93106, USA.

8. University of California Observatories, Lick Observatory, University of California, Santa Cruz, CA 95064, USA.

9. McDonald Observatory, University of Texas at Austin, Austin, TX 78712, USA.

10. Racah Institute of Physics, Hebrew University of Jerusalem, 91904, Israel.

11. Cahill Center for Astrophysics, California Institute of Technology, Pasadena, CA 91125, USA.

12. Carnegie Institution of Washington, Las Campanas Observatory, Colina El Pino, Casilla 601, Chile.

13. Observatories of the Carnegie Institution for Science, 813 Santa Barbara Street, Pasadena, CA 91101, USA.

14. Center for Astrophysics and Space Sciences, University of California San Diego, La Jolla, CA 92093–0424, USA.

15. Department of Physics and Astronomy, Dartmouth College, Hanover, NH, USA.

16. Institute for the Physics and Mathematics of the Universe, University of Tokyo, 5-1-5 Kashiwanoha, Kashiwa-shi, Chiba 277-8583, Japan.

17. Minerva Fellow, Max Planck Institute for Astrophysics, Karl Schwarzschild Strasse 1, D-85741 Garching, Germany.

18. Benoziyo Center for Astrophysics, Weizmann Institute of Science, Rehovot 76100, Israel.

19. University of Toronto, 50 St. George Street, Toronto M5S 3H4, Ontario, Canada.

20. Department of Earth, Atmospheric, and Planetary Sciences, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.

21. School of Physics and Astronomy, Tel-Aviv University, Tel-Aviv 69978, Israel.

Abstract

Stellar Explosions Stars that are born with masses greater than eight times that of the Sun end their lives in luminous explosions known as supernovae. Over the past decade, access to improved sky surveys has revealed rare types of supernovae that are much more luminous than any of those that were known before. Gal-Yam (p. 927 ) reviews these superluminous events and groups them into three classes that share common observational and physical characteristics. Gamma-ray bursts are another type of extreme explosive events related to the death of massive stars, which occur once per day somewhere in the universe and produce short-lived bursts of gamma-ray light. Gehrels and Mészáros (p. 932 ) review what has been learned about these events since the launch of NASA's Swift (2004) and Fermi (2008) satellites. The current interpretation is that gamma-ray bursts are related to the formation of black holes. Type Ia supernovae are used as cosmological distance indicators. They are thought to be the result of the thermonuclear explosion of white dwarf stars in binary systems, but the nature of the stellar companion to the white dwarf is still debated. Dilday et al. (p. 942 ) report high-resolution spectroscopy of the supernova PTF 11kx, which was detected on 26 January 2011 by the Palomar Transient Factory survey. The data suggest a red giant star companion whose material got transferred to the white dwarf.

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

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