Magnitude 4.86 Apparent magnitude (V) 4.86 | Constellation Virgo | |
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Sigma Virginis (σ Vir, σ Virginis) is a star in the zodiac constellation of Virgo. It can be faintly seen with the naked eye with a baseline apparent visual magnitude of 4.86. Based upon parallax measurements, the distance to this star is roughly 680 light years.
This is an evolved red giant star with a stellar classification of M1 III. It is a variable star with a brightness that ranges from magnitude +4.77 to +4.86. This variation has pulsation periods of 23.4, 24.3, 27.9, and 34.1 days. The effective temperature of the stellar atmosphere is around 3,800 K, and it shines with 1,734 times the luminosity of the Sun.
References
Sigma Virginis Wikipedia(Text) CC BY-SA