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

Bruch, Albert (2019) UU Aqr - No superhumps but variations on the time scale of days. Information Bulletin on Variable Stars, 63 (6257). ISSN 1587-2440

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Abstract

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 and 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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