Psi Virginis

Psi Virginis (ψ Vir, ψ Virginis) is a suspected[5] binary star[3] system in the zodiac constellation of Virgo.

Based upon the annual parallax shift of 5.99 milliarcseconds, the distance to this star is roughly 540 light years.

The angular size of Psi Virginis was measured on December 26, 1975 during an occultation by the Moon, yielding the estimate 6.5±0.3 mas.

[11] The primary component is an evolved red giant star with a stellar classification of M3 IIICa-1.

[12] The star is a bright X-ray source with a luminosity of 21.58×1029 ergs s−1.

A visual band light curve for Psi Virginis, plotted from data published by Tabur et al. (2009) [ 12 ]