sdO和特殊的x射线辐射

Q3 Multidisciplinary

Bulletin de la Societe Royale des Sciences de Liege Pub Date : 2023-01-01 DOI:10.25518/0037-9565.11226

Yaël NAZÉ, Gregor RAUW, Myron A. SMITH, Christian MOTCH

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引用次数: 0

摘要

一些Be恒星表现出明亮和极硬的x射线辐射，其起源尚有争议。在这种背景下，有人主张剥离的氦星sdO伴星可能发挥重要作用。利用高质量的数据集，我们研究了(1)这些特殊Be星的双星性和(2)已知Be+sdO系统的x射线发射。在这篇文章中，我们介绍了这两项研究的结果，并评估了它们对拟议情景的影响。

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sdO and peculiar X-ray emissions

Some Be stars exhibit a bright and extremely hard X-ray emission, whose origin is debated. In this context, it has been advocated that stripped helium-star sdO companions could play a significant role. Using high quality datasets, we examined (1) the binarity of these peculiar Be stars and (2) the X-ray emission of known Be+sdO systems. In this contribution, we present the result of these two studies and assess their impact on the proposed scenario.

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来源期刊

Bulletin de la Societe Royale des Sciences de Liege Multidisciplinary-Multidisciplinary

CiteScore

0.90

自引率

0.00%

发文量

期刊介绍： The ‘Société Royale des Sciences de Liège" (hereafter the Society) regularly publishes in its ‘Bulletin" original scientific papers in the fields of astrophysics, biochemistry, biophysics, biology, chemistry, geology, mathematics, mineralogy or physics, following peer review approval.