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Dear Daisaku, A quick inspection of tonight's data (Jun 05.87 - Jun 06.04), obtained at CBA Belgium Observatory, does *NOT* confirm your observations of a large decline rate. On the contrary, during the entire session, the object remained at the same brightness level. Superhumps were clearly present with an amplitude of 0.25 mag. A more detailed analysis will follow tomorrow (need to sleep ... and work first now). Kind regards, Tonny Vanmunster CBA Belgium Observatory www.cbabelgium.com -----Original Message----- From: owner-vsnet-campaign-dn@ooruri.kusastro.kyoto-u.ac.jp [mailto:owner-vsnet-campaign-dn@ooruri.kusastro.kyoto-u.ac.jp]On Behalf Of Daisaku NOGAMI Sent: vrijdag 6 juni 2003 1:08 To: vsnet-campaign-dn@ooruri.kusastro.kyoto-u.ac.jp Subject: [vsnet-campaign-dn 3740] GO Com: superhump amplitude and decline rate Dear colleagues, We obtained unfiltered photometric data of GO Com in June 5.504-0.729 (UT) at Hida observatory with a 60cm telescope. The superhump amplitude was 0.2-0.25 mag, siginificantly smaller than that reported yesterday. Our data seem to show that the decline rate suddenly became larger (to larger than 1.0 mag/day?) around 5.65 (UT). Do anyone confirm this trend? Best regards, Daisaku Nogami
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