[vsnet-alert 12255] SDSS J080434.20+510349.2: Pdot during plateau

Taichi Kato tkato at kusastro.kyoto-u.ac.jp
Tue Oct 12 09:46:16 JST 2010


SDSS J080434.20+510349.2: Pdot during plateau

   Natalia Katysheva reported detailed observations during the superoutburst
plateau.  Combined with the other data, we have updated the Pdot during
the plateau (stage B) to be +6.2(1.1)*10^(-5).  As already reported,
this period change looked more stepwise rather than a smooth change.
The resultant Pdot is relatively large for an object with multiple
rebrightenings.  This may be related to the short supercycle for
a WZ Sge-type dwarf nova or it may have been a result of rather complex
superhump profile and orbital variations.  Further detailed analysis
will be undertaken.


More information about the vsnet-alert mailing list