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INTEGRAL View on cataclysmic variables and symbiotic binaries
New Astronomy Reviews ( IF 11.7 ) Pub Date : 2020-12-01 , DOI: 10.1016/j.newar.2020.101547
Alexander Lutovinov , Valery Suleimanov , Gerardo Juan Manuel Luna , Sergey Sazonov , Domitilla de Martino , Lorenzo Ducci , Victor Doroshenko , Maurizio Falanga

Accreting white dwarfs (WDs) constitute a significant fraction of the hard X-ray sources detected by the INTEGRAL observatory. Most of them are magnetic Cataclysmic Variables (CVs) of the intermediate polar (IP) and polar types, but the contribution of the Nova-likes systems and the systems with optically thin boundary layers, Dwarf Novae (DNs) and Symbiotic Binaries (or Symbiotic Stars, SySs) in quiescence is also not negligible. Here we present a short review of the results obtained from the observations of cataclysmic variables and symbiotic binaries by INTEGRAL. The highlight results include the significant increase of the known IP population, determination of the WD mass for a significant fraction of IPs, the establishment of the luminosity function of magnetic CVs, and uncovering origin of the Galactic ridge X-ray emission which appears to largely be associated with hard emission from magnetic CVs.

中文翻译:

关于灾难性变量和共生双星的整体观点

吸积白矮星 (WD) 构成了 INTEGRAL 天文台探测到的硬 X 射线源的很大一部分。它们中的大多数是中间极地 (IP) 和极地类型的磁灾变变量 (CV),但类新星系统和具有光学薄边界层的系统、矮新星 (DN) 和共生双星(或共生双星)的贡献Stars, SySs) 在静止状态下也是不可忽视的。在这里,我们简要回顾了 INTEGRAL 从灾难性变量和共生双星观测中获得的结果。突出的结果包括已知 IP 群体的显着增加,确定了大部分 IP 的 WD 质量,建立了磁性 CV 的光度函数,
更新日期:2020-12-01
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