Omega Virginis

Omega Virginis (ω Vir, ω Virginis) is a solitary star in the zodiac constellation Virgo. It has an apparent visual magnitude of +5.22, which is bright enough to be faintly visible to the naked eye. Based upon an annual stellar parallax shift of 6.56 milliarcseconds, it is located about 500 light years from the Sun.

This is a red giant star with a stellar classification of M4 III. It is a semiregular variable with a brightness that varies over an amplitude of 0.^m28 with periods of 30 and 275 days. After evolving away from the main sequence it has expanded to around 70 times the solar radius, and now shines with 1,515 times the luminosity of the Sun. The effective temperature of the outer atmosphere is 3,490 K.