[vsnet-alert 9434] SDSS J155644.24-000950.2 outburst; 2006 superoutburst and photometry of the current outburst

[Taichi Kato]

>    According to Jeremy Shears, the likely SU UMa-type dwarf nova
> SDSS J155644.24-000950.2 is undergoing an outburst.
> Further observations are encouraged.
> 
> Past outbursts:
> 2005 Feb. 13.9
> 2005 May  13.6
> 2006 Mar. 13.6
> 2006 May  14.8

   More to add:

   The 2006 Feb-Mar. outburst was a superoutburst (ASAS-3 recorded
the object at V=12.74 on 2006 Feb 22.

   Superhumps with a period of 0.08 d were detected (unfortunately,
the observation started during the terminal stage of the superoutburst)
by Maehara-san, Nakajima-san and Kiyota-san.

http://ooruri.kusastro.kyoto-u.ac.jp/pipermail/vsnet-outburst/2006-March/000366.html
http://ooruri.kusastro.kyoto-u.ac.jp/pipermail/vsnet-campaign-dn/2006-March/000150.html
http://ooruri.kusastro.kyoto-u.ac.jp/pipermail/vsnet-outburst/2006-March/000370.html

   During the current outburst, Nakajima-san has reported a 1.5-hour
run on July 28.  The object has not yet faded significantly.
No clear hint of superhumps had emerged.