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[vsnet-campaign-v4641sgr 29] V4641 Sgr observation from Charles Bailyn

Date: Fri, 24 May 2002 09:13:23 +0900 (JST)
To: vsnet-campaign-v4641sgr@ooruri.kusastro.kyoto-u.ac.jp
From: Taichi Kato <tkato@kusastro.kyoto-u.ac.jp>
Subject: [vsnet-campaign-v4641sgr 29] V4641 Sgr observation from Charles Bailyn
Sender: owner-vsnet-campaign-v4641sgr@ooruri.kusastro.kyoto-u.ac.jp

V4641 Sgr observation from Charles Bailyn

   We have received the following note from Charles Bailyn:

Here are some recent V-band magnitudes.  These are long exposures (120s) -
we can't read out fast enough to do 1s oscillations.  But even when
integrated over 2 minutes there are significant variations from frame 
to frame - clearly it is varying on all timescales.

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