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(cba:news) (cba:chat) SDSSJ1238-03, Nearby Variable Star (fwd) (Joe Patterson) [2006-04-28T10:59:27Z]


fyi, just in case there are non-chatters out there...

joe


---------- Forwarded message ----------
Date: Fri, 28 Apr 2006 03:58:38 +0000
From: Bob Koff <bob@xxxxxxxxxxxxxxxxxxxxxxxxxxxx>
To: CBA Chat <cba-chat@xxxxxxxxxxx>
Subject: (cba:chat) SDSSJ1238-03, Nearby Variable Star

For those of you working SDSSJ1238-03, I've come across a variable star
close to the target that you'll want to avoid using as a comp star.  The
location of the star is at RA 12 37 56.95, Dec -03 38 08.2  . The
unfiltered magnitude is about 15.8.

It looks like an RR Lyrae, and I've got a preliminary period of about 10
hours.  You can see the lightcurve at

http://www.antelopehillsobservatory.org/lightcurves/V1238-03.png

As you can see, it would make a really poor comp star :-)

I have not found any reference to this star in Simbad, GCVS or  ROTSE.

Regards,

Bob Koff

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