[vsnet-alert 15178] CSS 081026:015321+340857 outburst

[Denis Denisenko]

This dwarf nova in Triangulum is in outburst on three
MASTER-Kislovodsk survey images (60-sec unfiltered exposures):

CSS 081026:015321+340857
  20121217.717  15.98  MASTER-Kislovodsk
  20121217.718  15.95  MASTER-Kislovodsk
  20121217.719  15.95  MASTER-Kislovodsk

Previous outburst to 15.8-16.0m was detected on 2012 Jan. 01 by
Catalina Sky Survey:
http://nesssi.cacr.caltech.edu/catalina/20081026/810261350094107353p.html

Object has a bright UV counterpart in GALEX data (obs. date 2003-11-28):
GALEX J015321.4+340856 (FUV=16.51+/-0.03, NUV=16.57 +/- 0.02)

Star was in outburst on 1988-09-13 blue, 1989-12-02 red and 1993-10-23
infrared DSS plates, but faint on 6 other Palomar images:
USNO-B1.0 1241-0026354 B1=20.73 R1=N/A B2=21.13 R2=17.08 I=16.15

Variability was also found on Second Byurakan Survey plates with
outbursts in 1972 and 1975 (Erastova L.K. The variable star SBS
0150+339. Astrophysics, Vol. 54, No. 1, pp. 143-145, 2011).

Orbital period appears to be unknown.

Denis Denisenko