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[vsnet-campaign-dn 3976] V551 Sgr: true superhump period

Date: Thu, 25 Sep 2003 23:01:29 +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 3976] V551 Sgr: true superhump period
Cc: vsnet-gcvs@ooruri.kusastro.kyoto-u.ac.jp
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Delivered-To: vsnet-campaign-dn@ooruri.kusastro.kyoto-u.ac.jp
Sender: owner-vsnet-campaign-dn@ooruri.kusastro.kyoto-u.ac.jp

V551 Sgr: true superhump period

Dear Colleagues,

   The VSNET Collaboration has received new data from Berto Monard (two
nights).  From the analysis of the combined data, the true superhump period
is now established to be 0.06741(3) d.  The earlier report corresponded
to one of its shorter aliases.  The superhump period is comparable to
those of rarely outbursting dwarf novae, such as UV Per (0.06641 d),
CT Hya (0.06643 d), AK Cnc (0.06749 d).  The outburst properties of
V551 Sgr seem to be best analogous to these dwarf novae.  Further analysis
of the entire data is in progress.  Please keep observing the current
superoutburst!

Regards,
Taichi Kato
VSNET Collaboration team

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