期刊
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
卷 396, 期 2, 页码 1086-1095出版社
WILEY-BLACKWELL PUBLISHING, INC
DOI: 10.1111/j.1365-2966.2009.14777.x
关键词
binaries: symbiotic; stars: evolution; stars: mass-loss; supernovae: general
资金
- National Science Foundation of China [10647003, 10763001]
- National Basic Research Program of China (973 Program) [2009CB824800]
By assuming an aspherical stellar wind with an equatorial disc from a red giant, we investigate the production of Type Ia supernovae (SNe Ia) via a symbiotic channel. We estimate that the Galactic birthrate of SNe Ia via the symbiotic channel is between 1.03 x 10(-3) and 2.27 x 10(-5) yr(-1), while the delay time of SNe Ia has a wide range from similar to 0.07 to 5 Gyr. The results are greatly affected by the outflow velocity and mass-loss rate of the equatorial disc. Using our model, we discuss the progenitors of SN 2002ic and SN 2006X.
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