Astronomy:SS Andromedae
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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 |
Distance | 1,590 ± 100 ly (490 ± 30 pc) |
Details | |
Other designations | |
Database references | |
SIMBAD | data |
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
- ↑ 1.0 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. Bibcode: 2018A&A...616A...1G. Gaia DR2 record for this source at VizieR.
- ↑ 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.
- ↑ V* SS And -- Semiregular Pulsating Variable Star, database entry, SIMBAD. Accessed on line 2009-06-30.