S Virginis
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Virgo |
| Right ascension | 13h 33m 00.1103s |
| Declination | −07° 11′ 41.0387″ |
| Apparent magnitude (V) | 6.3 - 13.2 |
| Characteristics | |
| Evolutionary stage | AGB |
| Spectral type | M6IIIe-M9.5e |
| U−B color index | +2.1 |
| B−V color index | +0.74 |
| 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 |
| Distance | approx. 2,400 ly (approx. 700 pc) |
| Details | |
| Mass | 3.6 M☉ |
| Radius | 435 R☉ |
| Luminosity | 38.174 L☉ |
| Surface gravity (log g) | 2.29 cgs |
| Temperature | 3,283 K |
| Metallicity [Fe/H] | −0.24 dex |
| Other designations | |
| S Virginis, BD−06°3837, HIP 66100, GC 18312, HR 5101, AAVSO 1327-06, GCRV 8027, SAO 139403, HD 117833 | |
| Database references | |
| SIMBAD | data |
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.