Theta Antliae
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Observation data Equinox J2000.0 |
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Constellation | Antlia |
Right ascension | 09h 44m 12.1s |
Declination | −27° 46' 10" |
Apparent magnitude (V) | +4.78 |
Distance | 384 ± 33 ly (118 ± 10 pc) |
Spectral type | A8V+F7II-III |
Other designations | |
Theta Antliae (θ Ant / θ Antliae) is a binary star in the constellation Antlia. It is approximately 384 light years from Earth and has a combined apparent magnitude of +4.78.
The primary component, θ Antliae A, is a white A-type main sequence dwarf with an apparent magnitude of +5.6. The companion, θ Antliae B, is a yellow-white F-type bright giant with an apparent magnitude of +5.7. The binary has an orbital period of 18.3 years and the components are separated by 0.1 arcseconds.