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[vsnet-newvar 1694] GSC 5173-2099 is a long period variable
- Date: Tue, 26 Nov 2002 23:49:47 -0800 (PST)
- To: vsnet-newvar@kusastro.kyoto-u.ac.jp, pmcc@astro.uiuc.edu
- From: Patrick Wils <patrickwils@yahoo.com>
- Subject: [vsnet-newvar 1694] GSC 5173-2099 is a long period variable
- Delivered-To: vsnet-newvar@kusastro.kyoto-u.ac.jp
- Sender: owner-vsnet-newvar@ooruri.kusastro.kyoto-u.ac.jp
Analysis of Stardial images (http://vsnet.astro.uiuc.edu/stardial/)
between 1999 and 2002 reveal that GSC 5173-2099 is a variable with an
amplitude of 0.8 mag in red light, and a possible period of 260 days.
According to Stephenson (ApJ 301, 927, 1986) the spectrum of the star
is M8. The USNO and GSC catalogs suggest a B-R value around +3.
Other id's: StM 513 = IRAS 20053-0617 = USNO-A2.0 0825-17745234 =
GSC2.2 S3023312731
Patrick
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