An Alternative Symbiotic Channel to Type Ia Supernovae

2009/03/15 by Lv, Guoliang, Zhu, Chunhua, Wang, Zhaojun +1 · 2 citations
#FOS: Physical sciences #Solar and Stellar Astrophysics (astro-ph.SR)

paper · doi:10.48550/arxiv.0903.2636

Abstract

By assuming an aspherical stellar wind with an equatorial disk from a red giant, we investigate the production of Type Ia supernovae (SNe Ia) via symbiotic channel. We estimate that the Galactic birthrate of SNe Ia via symbiotic channel is between 1.03× 10^-3 and 2.27× 10^-5 yr^-1, the delay time of SNe Ia has wide range from ∼ 0.07 to 5 Gyr. The results are greatly affected by the outflow velocity and mass-loss rate of the equatorial disk. Using our model, we discuss the progenitors of SN 2002ic and SN 2006X.

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• New symbiotic stars or candidates in LAMOST low resolution spectra
• Type Ia Supernova Progenitors and Surviving Companions within the Symbiotic Channel

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