From main-sequence binary to blast: MESA modeling of the double-detonation progenitor PTF1 J2238+7430
文献类型：期刊论文
| 作者 | Hernandez, Mercedes S.4; Kupfer, Thomas3,4; Belloni Diogo2; Schreiber, Matthias R.1 |
| 刊名 | ASTRONOMY & ASTROPHYSICS
 |
| 出版日期 | 2026-04-01 |
| 卷号 | 708 |
| 关键词 | methods: numerical binaries: general subdwarfs supernovae: individual: PTF1 J2238+7430 |
| ISSN号 | 0004-6361 |
| DOI | 10.1051/0004-6361/202558035 |
| 产权排序 | 第3完成单位 |
| 文献子类 | Article |
| 英文摘要 | Context. Hot subdwarf B (sdB) stars in close binaries with white dwarf (WD) companions are potential progenitors of double-detonation thermonuclear supernovae. The recently discovered system PTF1 J2238+7430 is a candidate for this evolutionary channel, as it hosts a low-mass sdB and a comparatively massive white dwarf in a compact orbit. Aims. We aim to reproduce the evolutionary history of PTF1 J2238+7430, in which the sdB forms first through stable mass transfer, followed by the formation of the white dwarf through a subsequent common-envelope (CE) phase. Additionally, we seek to constrain the range of initial binary parameters that can lead to such double-detonation progenitors. Methods. Using the Modules for Experiments in Stellar Astrophysics (MESA), we performed detailed binary evolution simulations from the zero-age main sequence to the present-day configuration. We explored initial stellar masses, orbital periods, and mass-loss fractions, including the effects of angular momentum transfer, tidal synchronization, and gravitational-wave-driven orbital evolution. We derived the post-common envelope binary properties using the standard energy formalism during common envelope evolution. Results. Our models successfully reproduce the observed properties of PTF1 J2238+7430: a 0.406 M-circle dot sdB and a 0.72 M-circle dot white dwarf in a 76.34-minute orbit. Stable Roche-lobe overflow of an similar to 2.7 M-circle dot donor produces the sdB, while the white dwarf forms from the initially less massive companion during an episode of common envelope evolution. We find that the common envelope ejection efficiency must be high (alpha(CE) approximate to 0.87) to match the observed orbit, exceeding the canonical values for similar systems. We further delineate the allowed parameter space for initial binaries that can evolve into sdB+WD systems consistent with double-detonation progenitors. These limits are preliminary; a systematic exploration of all parameters is needed to obtain robust constraints. We highlight the main challenges in our MESA simulations and provide a useful starting point for future work. Conclusions. Our findings identify promising regions of parameter space for the formation of PTF1 J2238+7430-like systems and provide a foundation for future systematic studies of sdB+WD binaries as potential double-detonation Type Ia supernova progenitors. |
| 学科主题 | 天文学 ; 恒星与银河系 |
| URL标识 | 查看原文 |
| 出版地 | 17, AVE DU HOGGAR, PA COURTABOEUF, BP 112, F-91944 LES ULIS CEDEX A, FRANCE |
| WOS关键词 | ACCRETING WHITE-DWARFS ; EQUATION-OF-STATE ; SUBDWARF-B-STARS ; COMMON-ENVELOPE BINARIES ; ROTATING MASSIVE STARS ; WEAK INTERACTION RATES ; PATHWAYS SURVEY ; PRESUPERNOVA EVOLUTION ; CONVECTIVE BOUNDARIES ; ORBITAL-PERIOD |
| 资助项目 | N/A |
| WOS研究方向 | Astronomy & Astrophysics |
| 语种 | 英语 |
| WOS记录号 | WOS:001730821300001 |
| 出版者 | EDP SCIENCES S A |
| 资助机构 | [CompactBINARIES 101078773] ; [EXC 2121 Quantum Universe - 390833306] ; [3220167] ; [1221059] ; [2024/03736-2] ; [2025/00817-4] ; [EXC 2121 Quantum Universe] |
| 版本 | 出版稿 |
| 源URL | [http://ir.ynao.ac.cn/handle/114a53/29073]  |
| 专题 | 云南天文台_大样本恒星演化研究组 |
| 通讯作者 | Hernandez, Mercedes S.; Kupfer, Thomas |
| 作者单位 | 1.Departamento de Física, Universidad Técnica Federico Santa María, Avenida España 1680 Valparaíso, Chile 2.International Centre of Supernovae (ICESUN), Yunnan Key Laboratory of Supernova Research, Yunnan Observatories, CAS, Kunming 650216, China; 3.Department of Physics and Astronomy, Texas Tech University, 2500 Broadway, Lubbock, TX 79409, USA; 4.Hamburger Sternwarte, University of Hamburg, Gojenbergsweg 112, 21029 Hamburg, Germany; |
| 推荐引用方式 GB/T 7714 | Hernandez, Mercedes S.,Kupfer, Thomas,Belloni Diogo,et al. From main-sequence binary to blast: MESA modeling of the double-detonation progenitor PTF1 J2238+7430[J]. ASTRONOMY & ASTROPHYSICS,2026,708. |
| APA | Hernandez, Mercedes S.,Kupfer, Thomas,Belloni Diogo,&Schreiber, Matthias R..(2026).From main-sequence binary to blast: MESA modeling of the double-detonation progenitor PTF1 J2238+7430.ASTRONOMY & ASTROPHYSICS,708. |
| MLA | Hernandez, Mercedes S.,et al."From main-sequence binary to blast: MESA modeling of the double-detonation progenitor PTF1 J2238+7430".ASTRONOMY & ASTROPHYSICS 708(2026). |
入库方式： OAI收割
来源：云南天文台
浏览0
下载0
收藏0
其他版本
除非特别说明，本系统中所有内容都受版权保护，并保留所有权利。