YNAO OpenIR  > 大样本恒星演化研究组
The nuclear diversity of Type Ia supernova explosions
Podsiadlowski, Philipp1; Mazzali, Paolo2,3; Lesaffre, Pierre1,4,5; Han ZW(韩占文)6; Foerster, Francisco1; Podsiadlowski, P (reprint author), Univ Oxford, Dept Astrophys, Keble Rd, Oxford OX1 3RH, England.
2008-10
会议名称6th International Conference on Astronomy with Radioactivities
会议录名称NEW ASTRONOMY REVIEWS
卷号52
期号7-10
页码381-385
会议日期2008-01-07
会议地点Kreuth, GERMANY
出版地THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, OXON, ENGLAND
出版者ELSEVIER SCI LTD
产权排序第6完成单位
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.
关键词Binaries: Close Cosmological Parameters Nuclear Reactions Nucleosynthesis Abundances Supernovae: Type Ia White Dwarfs
学科领域Astronomy & Astrophysics
DOI10.1016/j.newar.2008.06.020
URL查看原文
收录类别SCI ; CPCI
ISSN号1387-6473
语种英语
WOS研究方向Astronomy & Astrophysics
WOS标题词Science & Technology ; Physical Sciences
WOS类目Astronomy & Astrophysics
WOS记录号WOS:000260738300007
关键词[WOS]X-RAY SOURCES ; CONVECTIVE URCA PROCESS ; DOUBLE WHITE-DWARFS ; CLOSE BINARIES ; EVOLUTION ; MODELS ; PROGENITORS ; DEGENERATE ; SYSTEMS ; STAR
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被引频次:49[WOS]   [WOS记录]     [WOS相关记录]
文献类型会议论文
条目标识符http://ir.ynao.ac.cn/handle/114a53/236
专题大样本恒星演化研究组
通讯作者Podsiadlowski, P (reprint author), Univ Oxford, Dept Astrophys, Keble Rd, Oxford OX1 3RH, England.
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
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Podsiadlowski, Philipp,Mazzali, Paolo,Lesaffre, Pierre,et al. The nuclear diversity of Type Ia supernova explosions[C]. THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, OXON, ENGLAND:ELSEVIER SCI LTD,2008:381-385.
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