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题名:
The nuclear diversity of Type Ia supernova explosions
作者: Podsiadlowski, Philipp1; Mazzali, Paolo2,3; Lesaffre, Pierre1,4,5; Han ZW(韩占文)6; Foerster, Francisco1
会议名称: 6th International Conference on Astronomy with Radioactivities
会议日期: 2008-01-07
会议地点: Kreuth, GERMANY
会议录: NEW ASTRONOMY REVIEWS
会议录出版者: ELSEVIER SCI LTD
会议录出版地: THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, OXON, ENGLAND
出版日期: 2008-10
卷号: 52
期号: 7-10
页码: 381-385
DOI: 10.1016/j.newar.2008.06.020
学科分类: Astronomy & Astrophysics
产权排序: 第6完成单位
收录类别: SCI ; CPCI
通讯作者: Podsiadlowski, P (reprint author), Univ Oxford, Dept Astrophys, Keble Rd, Oxford OX1 3RH, England.
关键词: Binaries: close ; Cosmological parameters ; Nuclear reactions ; Nucleosynthesis ; Abundances ; Supernovae: Type Ia ; White dwarfs
英文摘要: While Type Ia supernovae (SNe Ia) have been successfully used as cosmological distance candles, there is a large diversity of explosion properties that is presently not understood, nor how this diversity is linked to the properties of their progenitors. Here we review the present status of our understanding of SN Ia progenitors, the main classes of progenitor models and recent observational constraints, the origin of the lightcurve peak - lightcurve width relation (the 'Phillips relation') and its metallicity dependence, and illustrate how different evolutionary histories produce a diversity of pre-supernova properties. We particularly emphasize the importance of the final carbon simmering phase preceding the final runaway and the role of the convective Urca process which will alter the immediate pre-supernova conditions in the exploding white dwarf. (C) 2008 Elsevier B.V. All rights reserved.
语种: 英语
相关网址: 查看原文
ISSN号: 1387-6473
WOS标题词: Science & Technology ; Physical Sciences
研究领域[WOS]: Astronomy & Astrophysics
类目[WOS]: Astronomy & Astrophysics
关键词[WOS]: X-RAY SOURCES ; CONVECTIVE URCA PROCESS ; DOUBLE WHITE-DWARFS ; CLOSE BINARIES ; EVOLUTION ; MODELS ; PROGENITORS ; DEGENERATE ; SYSTEMS ; STAR
WOS记录号: WOS:000260738300007
Citation statistics:
内容类型: 会议论文
URI标识: http://ir.ynao.ac.cn/handle/114a53/236
Appears in Collections:大样本恒星演化研究组_会议论文

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作者单位: 1.Department of Astrophysics, University of Oxford, Keble Road, Oxford OX1 3RH, United Kingdom
2.Max-Planck Institut für Astrophysik, Karl-Schwarzschildstr. 1, 85748 Garching, Germany
3.Istituto Naz. di Astrofisica-Oss. Astron., Via Tiepolo, 11, 34131 Trieste, Italy
4.LERMA, CNRS UMR8112, Observatoire de Paris and ENS/LRA, 24 rue Lhomond, 75231 Paris Cedex 05, France
5.Institute of Astronomy, Madingley Road, Cambridge CB3 0HA, United Kingdom
6.National Astronomy Observatories, Yunnan Observatory, The Chinese Academy of Sciences, P.O. Box, Kunming 650011, China

Recommended Citation:
Podsiadlowski, Philipp,Mazzali, Paolo,Lesaffre, Pierre,et al. The nuclear diversity of Type Ia supernova explosions[C]. 见:6th International Conference on Astronomy with Radioactivities. Kreuth, GERMANY. 2008-01-07.http://www.sciencedirect.com/science/article/pii/S1387647308001176.
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文件名: The nuclear diversity of Type Ia supernova explosions.pdf
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