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Binary evolution pathways to blue large-amplitude pulsators: Insights from HD 133729

文献类型：期刊论文

作者Zhang ZY(张正阳)1,2,3; Wu CY(吴程远)1,2,3; Zhang, Xianfei4,5; Han ZW(韩占文)1,2,3; Wang B(王博)1,2,3
刊名ASTRONOMY & ASTROPHYSICS
出版日期2025-05-19
卷号697
关键词asteroseismology binaries: general
ISSN号0004-6361
DOI10.1051/0004-6361/202553749
产权排序第1完成单位
文献子类Article
英文摘要Blue large-amplitude pulsators (BLAPs) are a recently identified class of pulsating stars distinguished by their short pulsation periods (2-60 minutes) and asymmetric light curves. This study investigated the evolutionary channel of HD 133729, which is the first confirmed BLAP in a binary system. Using the binary evolution code MESA, we explored various mass ratios and initial orbital periods. Our simulations suggest that a system with a mass ratio q = 0.30 undergoing non-conservative mass transfer (beta = 0.15) can reproduce the observed characteristics through the pre-white-dwarf Roche lobe overflow channel. Meanwhile, we postulate that there are significant helium and nitrogen enhancements on the surface of the main sequence (MS) star. The system will eventually undergo the common envelope phase, leading to a stellar merger. HD 133729 is a unique case, providing crucial insights into the formation mechanism and evolutionary fate of BLAPs with MS companions. This work constrains the elemental abundances of the MS star and has advanced our understanding of non-conservative mass transfer in binary evolution.
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SUBDWARF B STARS ; PERIOD VARIABLE-STARS ; CONVECTIVE BOUNDARIES ; MASS-TRANSFER ; MODULES ; HOT ; PULSATIONS ; DIFFUSION ; ACCRETION ; ROTATION
资助项目National Natural Science Foundation of Chinahttps://doi.org/10.13039/501100001809[12288102]; National Natural Science Foundation of Chinahttps://doi.org/10.13039/501100001809[12225304]; National Natural Science Foundation of Chinahttps://doi.org/10.13039/501100001809[12090040/12090043]; National Natural Science Foundation of Chinahttps://doi.org/10.13039/501100001809[12473032]; National Natural Science Foundation of Chinahttps://doi.org/10.13039/501100001809[12473028]; National Natural Science Foundation of China[2021YFA1600404]; National Key R&D Program of China[XBZG-ZDSYS-202117]; Western Light Project of CAS[CMS-CSST-2021-A12]; China Manned Space Project; Yunnan Revitalization Talent support Program (Yunling Scholar Project)[202201BC070003]; Yunnan Revitalization Talent support Program (Yunling Scholar Project)[202501AS070005]; Yunnan Fundamental Research Project[202302AN360001]; International Centre of Supernovae, Yunnan Key Laboratory
WOS研究方向Astronomy & Astrophysics
语种英语
WOS记录号WOS:001490583400017
出版者EDP SCIENCES S A
资助机构National Natural Science Foundation of Chinahttps://doi.org/10.13039/501100001809[12288102, 12225304, 12090040/12090043, 12473032, 12473028] ; National Natural Science Foundation of China[2021YFA1600404] ; National Key R&D Program of China[XBZG-ZDSYS-202117] ; Western Light Project of CAS[CMS-CSST-2021-A12] ; China Manned Space Project ; Yunnan Revitalization Talent support Program (Yunling Scholar Project)[202201BC070003, 202501AS070005] ; Yunnan Fundamental Research Project[202302AN360001] ; International Centre of Supernovae, Yunnan Key Laboratory
版本出版稿
源URL[http://ir.ynao.ac.cn/handle/114a53/28305]  
专题云南天文台_大样本恒星演化研究组
云南天文台_丽江天文观测站（南方基地）
作者单位1.Yunnan Observatories, Chinese Academy of Sciences, Kunming 650011, PR China;
2.University of the Chinese Academy of Sciences, 19A Yuquan Road, Shijingshan District, Beijing 100049, PR China;
3.International Centre of Supernovae, Yunnan Key Laboratory, Kunming 650216, PR China;
4.Institute for Frontier in Astronomy and Astrophysics, Beijing Normal University Beijing 102206, PR China;
5.Department of Astronomy, Beijing Normal University, Beijing 100875, PR China
推荐引用方式
GB/T 7714		 Zhang ZY,Wu CY,Zhang, Xianfei,et al. Binary evolution pathways to blue large-amplitude pulsators: Insights from HD 133729[J]. ASTRONOMY & ASTROPHYSICS,2025,697.
APA 张正阳,吴程远,Zhang, Xianfei,韩占文,&王博.(2025).Binary evolution pathways to blue large-amplitude pulsators: Insights from HD 133729.ASTRONOMY & ASTROPHYSICS,697.
MLA 张正阳,et al."Binary evolution pathways to blue large-amplitude pulsators: Insights from HD 133729".ASTRONOMY & ASTROPHYSICS 697(2025).

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