[vsnet-alert 16921] SDSS J091001.63+164820.0 outburst

[Denis Denisenko]

This dwarf nova in Cancer is in bright outburst (likely a
superoutburst) on MASTER-Amur unfiltered survey images:

SDSS J091001.63+164820.0
  20140217.539  14.00C  MASTER-Amur
  20140217.567  14.04C  MASTER-Amur
  20140217.591  14.07C  MASTER-Amur
  20140217.619  14.04C  MASTER-Amur
Internal errors of photometry are 0.03m.

SDSS J091001.62+164820.1 u=18.47 g=18.83 r=18.54 i=18.54 z=18.33
Image and spectrum:
http://skyserver.sdss3.org/dr8/en/tools/explore/obj.asp?id=1237667536928112763

Other IDs:
GALEX J091001.6+164820 (FUV=20.27+/-0.16 NUV=19.77+/-0.10)
GALEX J091001.5+164820 (FUV=20.12+/-0.17 NUV=19.57+/-0.09)
USNO-A2.0 1050-05976310 (09 10 01.59 +16 48 20.7 R=18.0 B=17.9)
USNO-B1.0 1068-0176883 (09 10 01.637 +16 48 20.29 pmRA=16 pmDE=-6
B1=18.74 R1=18.20 B2=18.84 R2=17.78 I=18.21)

T. Kato et al. (2012) give P_est=0.069d and 99 per cent probability of
SU UMa type based on SDSS colors. Orbital period has not been measured
yet.

Denis Denisenko
Member of MASTER team at SAI MSU