[vsnet-alert 13525] V503 Cyg : negative superhumps?

Ohshima ohshima at kusastro.kyoto-u.ac.jp
Wed Jul 27 03:27:19 JST 2011

V503 Cyg : negative superhumps?

 We have received observations from Crimean Astrophy. Observatory
(observer: Oksana Antonyuk) and Osaka-Kyoiku Univsersity.
According to these data, this object certainly got to show orbital
humps at minimum. However, July 23's data implies that a little 
shorter than the orbital period.  Though this may be simply due
to the unstable periodic variation, negative superhumps may have
appeared temporalily.
 Further observations are required!

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