[vsnet-alert 6164] WZ Sge: hump structure

[Taichi Kato <tkato>]

WZ Sge: hump structure

Dear Colleagues,

G. Masi wrote:

> just to inform you that the complete dataset has been now analyzed, getting
> a period candidate of 0.05682d, with another small minimum for theta at
> 0.05688d. Compared with the estimate provided by Dr. Kato in [vsnet-alert 6152]
> (0.05669d), we have an increment of about 0.23 percent respect to the
> previous value. It should be interesting to have any confirmation of this.

   We have just received the data and analyzed them.  The result more supports
a period close to the orbital period (rather than a longer period).
A combined set with the partially analyzed Kyoto data on July confirms
this finding.  The light curve is quite similar to that observed in the
latter half of July 30.  A new phase-averaged light curve is presented
on the VSNET WZ Sge page.  Please note that the maximum of the main hump
has shown a slight negative phase shift, implying that the period has
decrease, rather than increased.  Further observations are naturally
very strongly encouraged!

Regards,
Taichi Kato
VSNET Collaboration team

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