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[vsnet-campaign-dn 2434] IY UMa superhumps and eclipses

Date: Tue, 21 May 2002 15:05:29 +0900 (JST)
To: vsnet-campaign-dn@ooruri.kusastro.kyoto-u.ac.jp, vsnet-superoutburst@ooruri.kusastro.kyoto-u.ac.jp
From: Taichi Kato <tkato@kusastro.kyoto-u.ac.jp>
Subject: [vsnet-campaign-dn 2434] IY UMa superhumps and eclipses
Sender: owner-vsnet-campaign-dn@ooruri.kusastro.kyoto-u.ac.jp

IY UMa superhumps and eclipses

Dear Colleagues,

   We have received new data from Tanabe-san (Okayama U. Sci.).  The data
show further development of deep (1.5 mag) eclipses.  The superhumps have
become doubly peaked, but the secondary maxima seem to occur earlier than
what are expected for late superhumps.  This complex profile of superhumps
may have resulted "triple" maxima reported a while ago.

   More detailed analysis will be presented by Uemura-san.

Regards,
Taichi Kato
VSNET Collaboration team

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