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[vsolj-alert 413] GM Sgr below 14?!


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

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

>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>
To: DIETERS@gibson.msfc.nasa.gov, Shuang.Zhang@msfc.nasa.gov,
        William.paciesas@msfc.nasa.gov, alan.harmon@msfc.nasa.gov,
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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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