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Related papers: A comprehensive progenitor model for SNe Ia

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The nature of the progenitors of Type Ia supernovae (SNe Ia) is still unclear. In this paper, by considering the effect of the instability of accretion disk on the evolution of white dwarf (WD) binaries, we performed binary evolution…

Solar and Stellar Astrophysics · Physics 2012-05-29 Bo Wang , Xiang-Dong Li , Zhan-Wen Han

The single-degenerate model is currently a favourable progenitor model for Type Ia supernovae (SNe Ia). Recent investigations on the WD + He star channel of the single-degenerate model imply that this channel is noteworthy for producing SNe…

Solar and Stellar Astrophysics · Physics 2011-02-11 Bo Wang , Xuefei Chen , Xiangcun Meng , Zhanwen Han

Type Ia supernovae (SNe Ia) play an important role in diverse areas of astrophysics, from the chemical evolution of galaxies to observational cosmology. However, the nature of the progenitors of SNe Ia is still unclear. In this paper,…

Solar and Stellar Astrophysics · Physics 2012-05-29 Bo Wang , Zhengwei Liu , Yunkun Han , Zhenxin Lei , Yangping Luo , Zhanwen Han

The single-degenerate channel for the progenitors of type Ia supernovae (SNe Ia) are currently accepted, in which a carbon-oxygen white dwarf (CO WD) accretes hydrogen-rich material from its companion, increases its mass to the…

Astrophysics · Physics 2009-11-13 X. Meng , X. Chen , Z. Han

The nature of the progenitors of type Ia supernovae (SNe Ia) remains a mystery. Binary systems consisting of a white dwarf (WD) and a main-sequence (MS) donor are potential progenitors of SNe Ia, in which a thermonuclear explosion of the WD…

Solar and Stellar Astrophysics · Physics 2020-11-17 Zheng-Wei Liu , Richard J. Stancliffe

We have carried out a detailed study of the single-degenerate channel for the progenitors of type Ia supernovae (SNe Ia). In the model, a carbon-oxygen white dwarf (CO WD) accretes hydrogen-rich material from an unevolved or a slightly…

Astrophysics · Physics 2009-11-13 Xiangcun Meng , Xuefei Chen , Zhanwen Han

The white dwarf (WD) + helium (He) star binary channel plays an important role in the single degenerate scenario for the progenitors of type Ia supernovae (SNe Ia). Previous studies on the WD + main sequence star evolution have shown that…

Solar and Stellar Astrophysics · Physics 2022-02-16 Zhe Cui , Xiang-Dong Li

Employing Eggleton's stellar evolution code with an optically thick wind assumption, we have systematically studied the WD + He star channel of Type Ia supernovae (SNe Ia), in which a carbon-oxygen WD accretes material from a He…

Solar and Stellar Astrophysics · Physics 2014-10-21 Bo Wang , Zhanwen Han

Some surviving companions of type Ia supernovae (SNe Ia) from the white-dwarf + main-sequence (WD + MS) channel may evolve to hot subdwarfs. In this paper, we preformed stellar evolution calculations for surviving companions of close WD +…

Solar and Stellar Astrophysics · Physics 2021-09-22 Xiangcun Meng , Yangpin Luo

The nature of progenitors of Type Ia supernovae (SNe Ia) and their explosion mechanism remain unclear. It has been suggested that SNe Ia may be resulted from thermonuclear explosions of hybrid carbon-oxygen-neon white dwarfs(CONe WDs) when…

Solar and Stellar Astrophysics · Physics 2025-04-03 Boyang Guo , Xiangcun Meng , Zhijia Tian , Jingxiao Luo , Zhengwei Liu

Type Ia supernovae (SNe Ia) play an important role in the study of cosmic evolution, especially in cosmology. There are several progenitor models for SNe Ia proposed in the past years. In this paper, by considering the effect of accretion…

Solar and Stellar Astrophysics · Physics 2010-03-25 Bo Wang , Zhanwen Han

The hybrid CONe white dwarfs (WDs) have been suggested to be possible progenitors of type Ia supernovae (SNe Ia). In this article, we systematically studied the hybrid CONe WD + He star scenario for the progenitors of SNe Ia, in which a…

Solar and Stellar Astrophysics · Physics 2014-10-13 Bo Wang , Xiangcun Meng , Dongdong Liu , Zhengwei Liu , Zhanwen Han

The double-degenerate (DD) model, involving the merging of massive double carbon-oxygen white dwarfs (CO WDs) driven by gravitational wave radiation, is one of the classical pathways for the formation of type Ia supernovae (SNe Ia).…

Solar and Stellar Astrophysics · Physics 2018-03-07 Dongdong Liu , Bo Wang , Zhanwen Han

We present new evolutionary models for Type Ia supernova (SN Ia) progenitors, introducing mass-stripping effect on a main-sequence (MS) or slightly evolved companion star by winds from a mass-accreting white dwarf (WD). The mass-stripping…

Astrophysics · Physics 2009-11-13 Izumi Hachisu , Mariko Kato , Ken'ichi Nomoto

Context: The nature of type Ia supernovae (SNe Ia) is still unclear. Metallicities may have an important effect on their properties. Aims: In this paper, we study the He star donor channel towards SNe Ia comprehensively and systematically…

Solar and Stellar Astrophysics · Physics 2015-03-13 Bo Wang , Zhanwen Han

Recent observations suggest that some type Ia supernovae (SNe Ia) originate from the merging of two carbon-oxygen white dwarfs (CO WDs). Meanwhile, recent hydrodynamical simulations have indicated that the accretion-induced collapse may be…

Solar and Stellar Astrophysics · Physics 2018-03-08 Dongdong Liu , Bo Wang , Philipp Podsiadlowski , Zhanwen Han

The super-Eddington wind scenario has been proposed as an alternative way for producing type Ia supernovae (SNe Ia). The super-Eddington wind can naturally prevent the carbon--oxygen white dwarfs (CO WDs) with high mass-accretion rates from…

Solar and Stellar Astrophysics · Physics 2015-04-15 Bo Wang , Xin Ma , Dongdong Liu , Zhengwei Liu , Chengyuan Wu , Jujia Zhang , Zhanwen Han

The potential importance of the angular momentum which is gained by accreting white dwarfs (WDs) has been increasingly recognized in the context of type Ia supernova (SN Ia) single-degenerate model. The expectation that the spin of the WD…

Solar and Stellar Astrophysics · Physics 2014-10-21 Bo Wang , Stephen Justham , Zhengwei Liu , Jujia Zhang , Dongdong Liu , Zhanwen Han

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…

Solar and Stellar Astrophysics · Physics 2009-05-09 Guoliang Lv , Chunhua Zhu , Zhaojun Wang , Na Wang

Recent investigations of the WD + MS channel of Type Ia supernovae (SNe Ia) imply that this channel may be the main contribution to the old population (>1Gyr) of SNe Ia. In the WD + MS channel, the WD could accrete material from a…

Solar and Stellar Astrophysics · Physics 2012-05-29 Bo Wang , Zhanwen Han
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