[vsnet-alert 12624] Re: OT J230425.8+062546: start to decline

Taichi Kato tkato at kusastro.kyoto-u.ac.jp
Sat Jan 15 13:39:35 JST 2011


Re: OT J230425.8+062546: start to decline

> Shiokawa-san has reported further observations. The data showed
> that the plateau stage of this object began to finish and start to
> decline on Jan. 14.

   The data don't seem to indicate a rapid decline.  This apparent decline
is probably a mis-interpretation of the airmass effect.
Furthermore, the data by Shiokawa-san was on Jan. 13.

   The data again prefers a longer alias (not very surprising considering
the difficulty in observing and analyzing the low-altitude evening object).
The observed times of superhumps seem to suggest the presence of a stage
transition around Jan. 9, but the observed decrease of the period seems
to be too large.  More observations will clarify the nature of the
period variation.


More information about the vsnet-alert mailing list