UU Aqr -没有超级峰，但在时间尺度上有变化

Q4 Physics and Astronomy

Information Bulletin on Variable Stars Pub Date : 2019-03-27 DOI:10.22444/ibvs.6257

A. Bruch

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引用次数: 1

摘要

最近，Bruch & Cook(2018)观测到在老新星和永久超驼峰系统V603 Aql的吸积盘进动周期的两倍上发生的亮度变化。为了在其他据报道包含永久性超级峰的灾难性变量中发现类似的效应，科学家在2018年9月的11个晚上观察到了类似新星的变量UU Aqr。虽然在数据中没有看到超级驼峰的痕迹，使得寻找与磁盘岁差周期相关的变化已经过时，但系统表现出规律的变化，周期约为4天。

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UU Aqr - No superhumps but variations on the time scale of days

Recently, brightness variations occurring on twice the accretion disk precession period in the old nova and permanent superhump system V603 Aql have been observed by Bruch & Cook (2018). In an attempt to detect a similar effect in other cataclysmic variables reported to contain permanent superhumps the novalike variable UU Aqr was observed during 11 nights in September 2018. While no traces of superhumps were seen in the data, rendering the quest for variations related to the disk precession period obsolete, the system exhibits regular variations with a period of ~4 days.

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来源期刊

Information Bulletin on Variable Stars Physics and Astronomy-Astronomy and Astrophysics

CiteScore

0.40

自引率

0.00%

发文量

审稿时长

3 weeks