Theta Virginis
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Observation data Epoch J2000.0 Equinox J2000.0 | |
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Constellation | Virgo |
Right ascension | 13h 09m 57.0s |
Declination | −5° 32' 20" |
Apparent magnitude (V) | +4.38 |
Distance | 415 ± 59 ly (127 ± 18 pc) |
Spectral type | A1IVs+Am |
Other designations | |
Theta Virginis (θ Vir, θ Virginis) is a star system in the constellation Virgo. It is approximately 415 light years from Earth.
The primary component, Theta Virginis A, is a white A-type subgiant with an apparent magnitude of +4.38. It is a spectroscopic binary whose components have magnitudes +4.6 and +6.8. The system has an orbital period of about 14 years. The separation of the components is 0.48 arcseconds. The binary star is orbited by the 9th magnitude A- or F-type Theta Virginis B, which is 7.1 arcseconds distant. A fourth component, Theta Virginis C, is 69.6 arcseconds away and has an apparent magnitude of 10.4.
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