Psi Virginis

ψ Virginis
Observation data
Epoch J2000.0      Equinox J2000.0
Constellation Virgo
Right ascension 12h 54m 21.2s
Declination 9° 32' 20"
Apparent magnitude (V) +4.77
Distance417 ± 44 ly
(128 ± 13 pc)
Spectral typeM3-IIICa-1
Other designations
40 Virginis, HR 4902, HD 112142, BD-08 3449, FK5 1335, HIP 62985, SAO 139033, GC 17516

Psi Virginis (ψ Vir, ψ Virginis) is a binary star in the constellation Virgo.

Psi Virginis is a M-type red giant with a mean apparent magnitude of +4.77. It is approximately 417 light years from Earth. It is classified as an irregular variable star and its brightness varies from magnitude +4.73 to +4.96. It is also an eclipsing binary and its close companion, Psi Virginis B, is 0.04 arcseconds away from the giant star. The companion has tentatively been classified as an F6 main sequence dwarf.


This article is issued from Wikipedia - version of the Thursday, April 21, 2016. The text is available under the Creative Commons Attribution/Share Alike but additional terms may apply for the media files.