SY Vol: Large amplitude dwarf nova?
R. Stubbings reported that the suspected dwarf nova SY Vol
experienced a bright outburst (14.2mag) on July 23. The quiescent
counterpart seems to be USNO0150.05620695 whose magnitude is about 22.
The object is also has a likely ROSAT detection
The observations by R. Stubbings showed it was still bright on July 27
Considering the large-amplitude of the outburst, the star may be an
SU UMa-type dwarf nova undergoing a rare superoutburst
The outburst has faded since July 31
SY Vol was again in outburst at 14.4mag on September 29, as reported by
The fading from the outburst was observed on October 8 by R. Stubbings
The another outburst was detected by R. Stubbings on October 27
at the magnitude of 14.5
SY Vol again experienced an outburst on November 22 as reported
by R. Stubbings at the magnitude of 14.2
The fading from the outburst was observed in 22 - 23 November