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Related papers: The progenitors of Type Ia supernovae with long de…

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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 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

We have carried out a detailed study of one of the most popular evolutionary channels for the production of Type Ia supernova (SN Ia) progenitors, the semi-degenerate channel (CO+MS), where a carbon/oxygen (CO) white dwarf (WD) accretes…

Astrophysics · Physics 2009-11-10 Zhanwen Han , Philipp Podsiadlowski

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

Incorporating the effect of mass-stripping and accretion-disk instability on the evolution of WD binary, we carried out binary stellar evolution calculations for more than 1600 close WD binaries. As a result, the initial parameter spaces…

Solar and Stellar Astrophysics · Physics 2014-11-20 Xiangcun Meng , Wuming Yang

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

I review various phenomena associated with mass-accreting white dwarfs (WDs) in relation to progenitors of type Ia supernovae (SNe Ia). The WD mass can be estimated from light curve analysis in multiwavelength bands based on the optically…

Solar and Stellar Astrophysics · Physics 2011-10-04 Mariko Kato

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

Using the population synthesis binary evolution code StarTrack, we present theoretical rates and delay times of Type Ia supernovae arising from various formation channels. These channels include binaries in which the exploding white dwarf…

Solar and Stellar Astrophysics · Physics 2015-05-20 A. J. Ruiter , K. Belczynski , S. A. Sim , W. Hillebrandt , M. Fink , M. Kromer

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

Various white-dwarf (WD) binary scenarios have been proposed trying to understand the nature and the diversity of Type Ia supernovae (SNe Ia). In this work, we study the evolution of carbon-oxygen WD -- red giant (RG) binaries (including…

High Energy Astrophysical Phenomena · Physics 2023-01-06 Iminhaji Ablimit , Philipp Podsiadlowski , Rosanne Di Stefano , Saul A. Rappaport , James Wicker

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

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

Despite the significance of Type Ia supernovae (SNeIa) in many fields in astrophysics, SNeIa lack a theoretical explanation. The standard scenarios involve thermonuclear explosions of carbon/oxygen white dwarfs approaching the Chandrasekhar…

High Energy Astrophysical Phenomena · Physics 2013-02-05 S. Toonen , G. Nelemans , M. Bours , S. Portegies Zwart , J. Claeys , N. Mennekens , A. Ruiter

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

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

We have been proposing two evolutionary paths to Type Ia supernovae (SNe Ia), which are called the supersoft X-ray source (SSS) channel and the symbiotic channel, depending on the orbital separation just prior to an SN Ia explosion. The…

Astrophysics · Physics 2007-05-23 Izumi Hachisu

A definitive determination of the progenitors of type Ia supernovae (SNIa) has been a conundrum for decades. The single degenerate scenario $-$ a white dwarf (WD) in a semi-detached binary system accreting mass from its secondary $-$ is a…

Solar and Stellar Astrophysics · Physics 2015-06-23 Yael Hillman , Dina Prialnik , Attay Kovetz , Michael M. Shara

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

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
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