Theta Antliae

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θ Antliae
Observation data
Epoch J2000.0
Constellation
(pronunciation)		 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
Gl 366.1, HR 3871,
HD 84367, CD-27°6881,
FK5 366, HIP 47758,
SAO 177908, GC 13425,
CCDM 09442-2746

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.


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