[vsnet-alert 9434] SDSS J155644.24-000950.2 outburst;
2006 superoutburst and photometry of the current outburst
Taichi Kato
tkato at kusastro.kyoto-u.ac.jp
Sun Jul 29 09:57:00 JST 2007
> 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.
More information about the vsnet-alert
mailing list