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[2]
Right ascension 13h 33m 00.1103s[3]
Declination −07° 11′ 41.0387″[3]
Apparent magnitude (V) 6.3 - 13.2[4]
Characteristics
Evolutionary stage AGB[5]
Spectral type M6IIIe-M9.5e[4]
U−B color index +2.1[6]
B−V color index +0.74[6]
Variable type Mira[4]
Distance
approx. 2,400 ly
(approx. 700 pc)
Details
dex
GCRV 8027, SAO 139403, HD 117833[12]
Database references
SIMBADdata

S Virginis is a Mira-type variable star in the constellation Virgo. Located approximately 700 parsecs (2,300 ly) distant,[3] 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:10.1086/132034
    . Constellation record for this object at VizieR.
  3. ^
    doi:10.1051/0004-6361/201833051. Gaia DR2 record for this source at VizieR
    .
  4. ^ a b c d VSX (4 January 2010). "S Virginis". AAVSO Website. American Association of Variable Star Observers. Retrieved 27 June 2014.
  5. doi:10.3847/1538-4357/aa704d.{{cite journal}}: CS1 maint: multiple names: authors list (link
    )
  6. ^
    doi:10.1051/0004-6361/202142355
    .
  7. doi:10.1134/S1063773706110065
    .
  8. ^
    doi:10.1051/0004-6361/202451427
    .
  9. doi:10.1051/0004-6361/202142146
    .
  10. doi:10.3847/0004-6256/151/3/59
    .
  11. doi:10.3847/1538-4357/aae386
    .
  12. ^ "S Virginis". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2025-05-05.


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