[vsnet-outburst 22911] GL Sge: brighten again and show superhump

Keisuke Isogai isogai at kusastro.kyoto-u.ac.jp
Sun Nov 11 09:08:55 JST 2018


GL Sge: brighten again and show superhump

     Vihorlat observatory team (Pavol A. Dubovsky, Tomas Medulka), Maeda-san,
Nataly Katysheva and Sergey Shugarov have reported the observations.
     The object faded to 17 mag on Nov. 7th but brightened to about 16.0 mag again
with a clear superhump. This behavior means a precursor + main superoutburst.
The amplitude is 0.3 mag and the period seems to be 0.07-0.08 d.
     Further observations are needed to obtain the period.




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