初始轨道周期和吸积效率对低质量双星演化的影响

IF 0.8 4区物理与天体物理 Q4 ASTRONOMY & ASTROPHYSICS

Serbian Astronomical Journal Pub Date : 2021-01-01 DOI:10.2298/saj2102025p

J. Petrovic

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引用次数: 0

摘要

本文给出了初始轨道周期分别为10、50和100天，吸积效率分别为10%、20%和50%的低质量双星系统(1.25 + 1 M?)的详细演化模型和一个保守假设。所有的模型都是用MESA(实验模块在恒星天体物理学)进化代码计算的。我们证明了这样的双星系统可以通过稳定的B型质量传递演变成长周期的氦白矮星系统。

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Influence of the initial orbital period and accretion efficiency on the low-mass binary evolution

This paper presents detailed evolutionary models of low-mass binary systems (1.25 + 1 M?) with initial orbital periods of 10, 50 and 100 days and accretion efficiency of 10%, 20%, 50%, and a conservative assumption. All models are calculated with the MESA (Modules for Experiments in Stellar Astrophysics) evolutionary code. We show that such binary systems can evolve via a stable Case B mass transfer into long period helium white dwarf systems.

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来源期刊

Serbian Astronomical Journal ASTRONOMY & ASTROPHYSICS-

CiteScore

1.00

自引率

0.00%

发文量

审稿时长

12 weeks

期刊介绍： Serbian Astronomical Journal publishes original observations and researches in all branches of astronomy. The journal publishes: Invited Reviews - review article on some up-to-date topic in astronomy, astrophysics and related fields (written upon invitation only), Original Scientific Papers - article in which are presented previously unpublished author''s own scientific results, Preliminary Reports - original scientific paper, but shorter in length and of preliminary nature, Professional Papers - articles offering experience useful for the improvement of professional practice i.e. article describing methods and techniques, software, presenting observational data, etc. In some cases the journal may publish other contributions, such as In Memoriam notes, Obituaries, Book Reviews, as well as Editorials, Addenda, Errata, Corrigenda, Retraction notes, etc.