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| 題名: | PTF 11kx: A type Ia supernova with a symbiotic nova progenitor |
| 作者: | 潘彥丞;Dilday, B.;Howell, D. A.;Cenko, S. B.;Silverman, J. M.;Nugent, P. E.;Sullivan, M.;Ben-Ami, S.;Bildsten, L.;Bolte, M.;Endl, M.;Filippenko, A. V.;Gnat, O.;Horesh, A.;Hsiao, E.;Kasliwal, M. M.;Kirkman, D.;Maguire, K.;Marcy, G. W.;Moore, K.;Pan, Y.;Parrent, J. T.;Podsiadlowski, P.;Quimby, R. M.;Sternberg, A.;Suzuki, N.;Tytler, D. R.;Xu, D.;Bloom, J. S.;Gal-Yam, A.;Hook, I. M.;Kulkarni, S. R.;Law, N. M.;Ofek, E. O.;Polishook, D.;Poznanski, D. |
| 貢獻者: | 理學院天文研究所 |
| 關鍵詞: | Absorption spectra;Astrophysics;Black holes;Circumstellar shells;Ejecta;Emission spectra;Explosions;gamma radiation;Gamma rays;Individual Characteristics;Nova progenitors;Novae;Physical Characteristics;satellites;spectroscopy;Star & galaxy formation;Stars;Stellar progenitors;Supernovae;surveys;White dwarfs |
| 日期: | 2012-08-24 |
| 上傳時間: | 2026-04-21 14:16:08 (UTC+8) |
| 出版者: | American Association for the Advancement of Science;United States: American Association for the Advancement of Science |
| 摘要: | 摘要： There is a consensus that type Ia supernovae (SNe Ia) arise from the thermonuclear explosion of white dwarf stars that accrete matter from a binary companion. However, direct observation of SN Ia progenitors is lacking, and the precise nature of the binary companion remains uncertain. A temporal series of high-resolution optical spectra of the SN Ia PTF 11kx reveals a complex circumstellar environment that provides an unprecedentedly detailed view of the progenitor system. Multiple shells of circumstellar material are detected, and the SN ejecta are seen to interact with circumstellar material starting 59 days after the explosion. These features are best described by a symbiotic nova progenitor, similar to RS Ophiuchi.
其他題名： Science
出版者： United States: American Association for the Advancement of Science
出版日期： 2012-08-24
出處： Science (American Association for the Advancement of Science), 2012-08, Vol.337 (6097), p.942-945
資源來源： American Association for the Advancement of Science
版權： Copyright © 2012 American Association for the Advancement of Science
版權： Copyright © 2012, American Association for the Advancement of Science
識別號： ISSN: 0036-8075
識別號： ISSN: 1095-9203
識別號： EISSN: 1095-9203
識別號： DOI: 10.1126/science.1219164
識別號： PMID: 22923575
識別號： CODEN: SCIEAS |
| 顯示於類別: | [天文研究所] 期刊論文
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