[vsnet-alert 15010] DDE 26 faint outburst

Denis Denisenko d.v.denisenko at gmail.com
Tue Oct 16 17:53:13 JST 2012


This dwarf nova in Pegasus is again in outburst on Bradford Robotic
Telescope image from the last night:

DDE 26
  20120725.128  158CR  BRT
  20120807.124  191CR  BRT
  20120915.066  190CR  BRT
  20120919.082  193CR  BRT
  20120924.064 <190CR  BRT
  20121015.998  173CR  BRT

Previous (July 25) outburst reported in [vsnet-alert 14792] was a
superoutburst, according to observations by Colin Littlefield
[vsnet-alert 14792] and CrAO team [vsnet-alert 14814]. Superhump
period was measured to be 0.08947(7)d with a large negative Pdot of
-26(11)*10^(-5) [vsnet-alert 14818]. Star is present in SDSS catalog
as SDSS J220328.21+305636.3 with the following magnitudes: u=19.46
g=19.60 r=19.34 i=19.15 z=19.03.

The variable seems to be quite a frequent 'outburster'. Three previous
outbursts were found in MASTER-Tunka data on 2010-09-23, 2011-09-24
and 2011-12-06.

10'x9' color-combined (BRIR) finder chart:
http://hea.iki.rssi.ru/~denis/J2203+3056-comps.gif
SDSS DR8 data: http://skyserver.sdss3.org/dr8/en/tools/explore/obj.asp?id=1237680505038963553

Denis Denisenko


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