Sigma Virginis
From Wikipedia, the free encyclopedia
Observation data Epoch J2000.0 |
|
---|---|
Constellation (pronunciation) |
Virgo |
Right ascension | 13h 17m 36.3s |
Declination | +5° 28' 11" |
Apparent magnitude (V) | +4.78 |
Distance | 541 ± 65 ly (166 ± 20 pc) |
Spectral type | M1III |
Other designations | |
Sigma Virginis (σ Vir / σ Virginis) is a star in the constellation Virgo.
Sigma Virginis is a red M-type red giant with a mean apparent magnitude of +4.78. It is approximately 541 light years from Earth. It is classified as a semiregular variable star and its brightness varies from magnitude +4.77 to +4.86.