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[vsnet-newvar 1705] GSC 05154-01249 is a Mira variable

Stardial (http://vsnet.astro.uiuc.edu/stardial/) images between 1999 and
2002, show that GSC 05154-01249 is a Mira variable with a period of 290
days.  Only data near maximum is recorded on the images.

The NOFS plate archive was checked
(http://vsnet.nofs.navy.mil/data/fchpix), showing a B-R value of about
+3, and a difference of 2 magnitudes between the two red plates,
confirming variability.  There is a close companion about 5" West.

Other identifications (using the VizieR utility at the CDS in
Strasbourg, http://vizier.u-strasbg.fr/cgi-bin/VizieR)  :
IRAS 19456-0522
IRASF 19457-0522
USNO-A2.0 0825-17001301
USNO-B1.0 0847-0554572
GSC2.2 S3021302193 
2MASS entry : J = 6.521, H = 5.543, K = 4.893
Coordinates: 19 48 21.3500 -05 15 06.790 (USNO-B1.0) 

To reduce the Stardial images, use was made of programs written by
Michael Richmond (see http://vsnet.tass-survey.org).

Patrick



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