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[vsnet-campaign 604] Re: [vsnet-alert 5455] RZ Leo: "true" superhumps evolved!!
Dear Coleagues
Taichi Kato wrote:
>
> The Dec. 23 data at Kyoto (Kyoto team) and Tsukuba (S. Kiyota) have
> revealed that fully grown "true" superhumps with an amplitude of ~0.3 mag
> have finally evolved. The best period determined from the data is 0.0808 d,
> which is 6.0% longer than the period of the "early superhumps" by the Kyoto
> team (P=0.0762, vsnet-alert 5451, 5452), or 7.0% longer than Vanmunster's
> period (P=0.0755, vsnet-alert 5454). This finding perfectly qualifies
> the variation as being genuine superhumps, which had just begun to develop.
> The relatively rapid fading trend in the early epoch has apparently
> slowed down as the appearance of genuine superhumps.
As I posted yesterday in [vsnet-alert 5453], my ligh curve clearly shows a period of
0.08d. Data where relative for the night of Dec. 23, starting around 0.30 UT.
Unfortunately, the weather will be bad for the next days. Now both light curve and a
reference image are at:
http://vsnet.eurolink.it/comets/rzleo.gif light curve
http://vsnet.eurolink.it/comets/rzleo.jpg reference image
Regards,
Gianluca
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