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[vsolj-alert 413] GM Sgr below 14?!
- Date: Fri, 17 Sep 1999 11:42:49 +0900 (JST)
- To: vsolj-alert@ooruri.kusastro.kyoto-u.ac.jp
- From: Taichi Kato <tkato@kusastro.kyoto-u.ac.jp>
- Subject: [vsolj-alert 413] GM Sgr below 14?!
- Sender: owner-vsolj-alert@ooruri.kusastro.kyoto-u.ac.jp
こんな情報が来ています。もしかして14等以下に減光??
今晩の観測ではいったいどうなっていることでしょう?
Date: Thu, 16 Sep 1999 10:31:04 -0700 (MST)
From: "R. Mark Wagner" <rmw@as.arizona.edu>
Subject: GM Sgr optical observations
Dr. Kato:
I sent this message to Walter Lewin earlier this morning. Bob Fried reported
to me that it faded to about V = 14.3 before clouds intervened in
the observations. This would have been Sep 16.167 UT. Have any other
observations been received that have confirmed the optical decline?
Cheers, Mark Wagner
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Dr. R. Mark Wagner
Department of Astronomy, The Ohio State University, and
Large Binocular Telescope Project, The University of Arizona
Steward Observatory, 933 North Cherry Avenue, Tucson, AZ 85721
URL: http://vela.as.arizona.edu/~rmw/ Email:rmw@as.arizona.edu
Phone: (520) 626-3006 Fax: (520) 626-9333
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>From lewin@space.mit.edu Thu Sep 16 08:02:06 1999
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Date: Thu, 16 Sep 1999 11:01:46 -0400 (EDT)
From: "Walter H.G. Lewin" <lewin@space.mit.edu>
Message-ID: <vsolj-alert413@hoge.baba.hajime.jp>
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>From rmw@vela.as.arizona.edu Thu Sep 16 10:55:08 1999
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From: "R. Mark Wagner" <rmw@as.arizona.edu>
Subject: Re: GM Sgr
To: lewin (Walter H.G. Lewin)
Date: Thu, 16 Sep 1999 07:55:03 -0700 (MST)
Hi Walter,
Late yeterday afternoon I asked Bob Fried, who has an 0.4-m telescope and
a 1k x 1k CCD, to look at GM Sgr and follow it. He reports to me this
morning that he found it at V = 14.3 early last evening AZ time. That would
be about 0400 UT on Sep 16. I haven't seen any of the latest VSNET estimates
this morning since I am logged on from home and I am about to go up to Kitt
Peak for engineering tests. If confirmed it would seem that the
optical declined comtemporaneously with the X-rays. It will be facinating
to put the optical and X-ray light curves together. I saw visual
estimates of around 9th mag on VSNET yesterday.
-- Mark
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