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pro vyhledávání: '"Meng, Xiangcun"'
Supersoft X-ray sources (SSSs) have been proposed as one of the progenitors for Type Ia supernovae. However, the exact origin of the quasi-periodic variability in the optical light curve remains a mystery.In this work, our goal is to investigate the
Externí odkaz:
http://arxiv.org/abs/2408.16358
Autor:
Lan, Shunyi, Meng, Xiangcun
Publikováno v:
A&A 690, A88 (2024)
Pulsars are neutron stars that rotate rapidly. Most of the pulsars in binary systems tend to spin faster than those in isolation. According to binary evolution theory, radio pulsars in binary systems can have various types of companion stars. However
Externí odkaz:
http://arxiv.org/abs/2407.17178
Autor:
Lan, Shunyi, Meng, Xiangcun
Publikováno v:
ApJL 956 L24 (2023)
A millisecond pulsar (MSP) is an old neutron star (NS) that has accreted material from its companion star, causing it to spin up, which is known as the recycling scenario. During the mass transfer phase, the system manifests itself as an X-ray binary
Externí odkaz:
http://arxiv.org/abs/2309.16963
Publikováno v:
A&A 667, A154 (2022)
The single-degenerate (SD) model is one of the leading models for the progenitors of Type Ia supernovae (SNe Ia). Recently, a new version of the SD model, the common-envelope wind (CEW) model, has been proposed, which, in principle, has the potential
Externí odkaz:
http://arxiv.org/abs/2210.07607
Publikováno v:
A&A 666, A81 (2022)
Supersoft X-ray sources (SSSs) are known as possible progenitors of Type Ia supernovae. The quasi-periodic variability has been detected in the optical light curves of SSSs. However, the exact origin of such quasi-periodic observable features remains
Externí odkaz:
http://arxiv.org/abs/2208.13559
Recent studies have suggested that type Iax supernovae (SNe Iax) are likely to result from a weak deflagration explosion of a Chandrasekhar-mass white dwarf in a binary system with a helium (He)-star companion. Assuming that most SNe Iax are produced
Externí odkaz:
http://arxiv.org/abs/2206.03522
Autor:
Meng, Xiangcun, Luo, Yangpin
Publikováno v:
2021, MNRAS, 507, 4603
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 + MS systems
Externí odkaz:
http://arxiv.org/abs/2108.07439
Publikováno v:
In New Astronomy January 2024 105
Autor:
Meng, Xiangcun
Although type Ia supernovae (SNe Ia) are very useful in many astrophysical fields, their exact nature is still unclear, e.g. the progenitor and explosion models. The high-velocity features (HVFs) in optical spectra of SNe Ia could provide some meanin
Externí odkaz:
http://arxiv.org/abs/1910.07131
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