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AD Men: observation by Berto Monard Dear Colleagues, > We have received new data of AD Men from Bernard Heathcote. In the ongoing flurry of GRB 030329, I thought I had already reported the observation by Berto Monard. Sorry to Berto! The "1.5-d" mentioned in the previous posting referred to earlier observation by Berto Monard. A combined analysis of the data did not reveal a definte periodicity, although there is a slight increase of a power around period 0.06 d. The phase-averaged light curve at the period of the strongest power did not reveal the clear presence of superhump-type variations. The upper limit of the superhump-type signal is thus 0.13 mag. Combined with the fading (Rod Stubbings, on March 31), the object is likely an SS Cyg-type dwarf nova. We have placed the outburst CCD image by Bernard Heathcote on the VSNET web. http://vsnet.kusastro.kyoto-u.ac.jp/pub/vsnet/AD_Men/admen.gif VSNET page: http://vsnet.kusastro.kyoto-u.ac.jp/vsnet/DNe/admen.html Regards, Taichi Kato VSNET Collaboration team
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