S Virginis

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

S Virginis

The visual band light curve of S Virginis, from AAVSO data
Observation data
Epoch J2000      Equinox J2000
Constellation Virgo
Right ascension 13h 33m 00.1103s
Declination −07° 11 41.0387
Apparent magnitude (V) 6.68
Characteristics
Spectral type M6-7e
U−B color index 0.91
B−V color index 1.28
Variable type Mira
Astrometry
Radial velocity (Rv)9.60 km/s
Proper motion (μ) RA: −16.813±0.680 mas/yr
Dec.: 3.010±0.537 mas/yr
Parallax (π)1.3709 ± 0.3737 mas
Distanceapprox. 2,400 ly
(approx. 700 pc)
Absolute magnitude (MV)−3.55
Other designations
S Virginis, BD-06° 3837, HIP 66100, GC 18312, HR 5101, AAVSO 1327-06, GCRV 8027, SAO 139403, HD 117833.
Database references
SIMBADdata
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