[vsnet-alert 15924] New UGWZ candidate in Lyra by MASTER (13.9m)
d.v.denisenko at gmail.com
Sat Jul 6 06:37:47 JST 2013
Sergey Shurpakov has found a new large-amplitude dwarf nova in
MASTER-Amur images. It was just published in ATel #5196, see
MASTER OT J181953.76+361356.5
20130522.849 <183C MASTER-Kislovodsk
20130705.630 13.92C MASTER-Amur
20130705.659 13.99C MASTER-Amur
The object at minimum has a blue magnitude jmag=21.58 in GSC 2.3.2.
Color-combined DSS finder chart:
zoom). There is also an UV counterpart GALEX J181953.9+361358
Discovery and reference images:
No previous outbursts were detected on DSS plates, in NEAT images, by
Catalina Sky Survey and in MASTER database. Object is most likely a
rarely outbursting dwarf nova of WZ Sge (UGWZ) subtype. Time-resolved
photometry is strongly encouraged.
The new variable is located in Lyra, 10' North of the bright star
kappa Lyrae and 0.5' W 0.6' N of TYC 2635-1196-1 (V=9.77, B=10.93). It
currently culminates 40 minutes before the local midnight.
Member of MASTER team at SAI MSU
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