Astronomy:SS Andromedae

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SS Andromedae
Observation data
Equinox J2000.0]] (ICRS)
Constellation Andromeda
Right ascension  23h 11m 30.0687s[1]
Declination 52° 53′ 12.4927″[1]
Apparent magnitude (V) 10.0 to 11.4[2]
Characteristics
Spectral type M6II[2]
Astrometry
Proper motion (μ) RA: −7.636±0.188[1] mas/yr
Dec.: −2.567±0.190[1] mas/yr
Parallax (π)2.0487 ± 0.1263[1] mas
Distance1,590 ± 100 ly
(490 ± 30 pc)
Details
Other designations
SS And, BD+52° 3386, HD 218942, HIP 114507[3]
Database references
SIMBADdata

SS Andromedae is a variable star in the constellation of Andromeda. It is classified as a semiregular variable pulsating giant star, and varies from an apparent visual magnitude of 11.4 at minimum brightness to a magnitude of 10.0 at maximum brightness, with a period of approximately 152.5 days.[2]

References

  1. Jump up to: 1.0 1.1 1.2 1.3 1.4 Brown, A. G. A. (August 2018). "Gaia Data Release 2: Summary of the contents and survey properties". Astronomy & Astrophysics 616: A1. doi:10.1051/0004-6361/201833051. Bibcode2018A&A...616A...1G.  Gaia DR2 record for this source at VizieR.
  2. Jump up to: 2.0 2.1 2.2 SS 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 2009-06-30.
  3. V* SS And -- Semiregular Pulsating Variable Star, database entry, SIMBAD. Accessed on line 2009-06-30.