S Virginis

Source: Wikipedia, the free encyclopedia.
Not to be confused with
Spica Virginis, Sigma Virginis, or SS Virginis
.
S Virginis

The visual band light curve of S Virginis, from AAVSO data[1]
Observation data
Epoch J2000      Equinox J2000
Constellation Virgo
Right ascension 13h 33m 00.1103s[2]
Declination −07° 11′ 41.0387″[2]
Apparent magnitude (V) 6.68[3]
Characteristics
Spectral type M6-7e[3]
U−B color index 0.91[3]
B−V color index 1.28[3]
Variable type Mira[4]
Distance
approx. 2,400 ly
(approx. 700 pc)
Absolute magnitude (MV)−3.55
GCRV 8027, SAO 139403, HD
117833.
Database references
SIMBADdata

S Virginis is a Mira-type variable star in the constellation Virgo. Located approximately 700 parsecs (2,300 ly) distant,[2] it varies between magnitudes 6.3 and 13.2 over a period of approximately 375 days.[4]

References

  1. ^ "Download Data". aavso.org. AAVSO. Retrieved 1 October 2021.
  2. ^
    doi:10.1051/0004-6361/201833051. Gaia DR2 record for this source at VizieR
    .
  3. ^ a b c d e "S Virginis". SIMBAD Astronomical Database. Centre de Données astronomiques de Strasbourg. Retrieved 27 June 2014.
  4. ^ a b VSX (4 January 2010). "S Virginis". AAVSO Website. American Association of Variable Star Observers. Retrieved 27 June 2014.


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