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[vsnet-superoutburst 1939] KS UMa: superhump evolution

Date: Tue, 25 Feb 2003 11:52:17 +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-superoutburst 1939] KS UMa: superhump evolution
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Sender: owner-vsnet-superoutburst@ooruri.kusastro.kyoto-u.ac.jp

KS UMa: superhump evolution

Dear Colleagues,

   We have received new data sets from Tomas Hynek and Brian Martin.
Kyoto team (Uemura-san and Ishioka-san) also successfully obtained new
data.

   The most recent data indicate that the regular superhump profile
persists, without a phase jump.  The reported drastic change (cf. vsnet-alert
7652) may have been a transient one; the early phase reversal of superhumps
have been confined to ER UMa stars as of now.  The mean superhump period
of KS UMa is 0.07015 d up to now.

Regards,
Taichi Kato

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