RS Andromedae

From Wikipedia, the free encyclopedia
Jump to: navigation, search
RS Andromedae
Observation data
Epoch J2000.0      Equinox J2000.0 (ICRS)
Constellation Andromeda
Right ascension 23h 55m 21.7415s[1]
Declination 48° 38′ 17.737″[1]
Apparent magnitude (V) 7.0 to 9.4[2]
Spectral type M7-M10[2]
Other designations
HD 224126, BD+47 4318[1]
Database references
SIMBAD data

RS Andromedae is a variable star in the constellation of Andromeda. It is classified as a semiregular variable red giant star, and varies from an apparent visual magnitude of 9.4 at minimum brightness to a magnitude of 7.0 at maximum brightness, with a period of approximately 136 days.[2]

References[edit]

  1. ^ a b c V* RS And -- Semiregular variable star, database entry, SIMBAD. Accessed on line 2009-06-22.
  2. ^ a b c RS 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 Accessed on line 2009-06-22.