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[vsnet-id 872] Re: [vsnet-chart 457] On TY Sge
- Date: Mon, 15 Sep 2003 03:25:34 -0700 (MST)
- To: garypoyner@blueyonder.co.uk
- From: Brian Skiff <Brian.Skiff@lowell.edu>
- Subject: [vsnet-id 872] Re: [vsnet-chart 457] On TY Sge
- Cc: vsnet-id@ooruri.kusastro.kyoto-u.ac.jp
- Delivered-To: vsnet-id-archive@ooruri.kusastro.kyoto-u.ac.jp
- Delivered-To: vsnet-id@ooruri.kusastro.kyoto-u.ac.jp
- Sender: owner-vsnet-id@ooruri.kusastro.kyoto-u.ac.jp
If the chart by WOlf & Wolf in the old AN is to be believed, then
TY Sge seems to be (unambiguously) GSC 1621-0053. ASAS3 shows a
somewhat ragged lightcurve with a period of ~50 days with mean V
about 11.9. Best position for this star is from the Bordeaux meridian
circle: 20 03 37.47 +17 01 28.1 (J2000). The 2MASS J-K = 1.0,
corresponding to an unreddened M0 giant.
\Brian
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