Epoch J2000.0 Equinox J2000.0 (ICRS)
|Right ascension||01h 15m 29.8s|
|Declination||40° 43′ 09″|
|Apparent magnitude (V)||8.9 to 15.0|
U Andromedae is a variable star in the constellation of Andromeda. It is classified as a Mira variable, and varies from an apparent visual magnitude of 8.9 at maximum brightness to a magnitude of 15.0 at minimum brightness, with a period of approximately 347 days. It was first observed to be variable by Thomas D. Anderson during 1894 and 1895.
- V* U And -- Variable Star of Mira Cet type, database entry, SIMBAD. Accessed on line September 18, 2008.
- U And, database entry, Combined General Catalog of Variable Stars (GCVS4.2, 2004 Ed.), N. N. Samus, O. V. Durlevich, et al., CDS ID II/250.
- New variable star in Andromeda, T. D. Anderson, Astronomische Nachrichten 139 (1896), p. 117–118, Bibcode: 1896AN....139Q.117A.
- Third catalogue of variable stars, S. C. Chandler, Astronomical Journal 16, #19 (issue #379, July 8, 1896), pp. 145–172, Bibcode: 1896AJ.....16..145C, doi:10.1086/102484.
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