Tau Aurigae

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τ Aurigae
Observation data
Epoch J2000.0
Constellation Auriga
Right ascension 05h 49m 10.5s
Declination +39° 10' 52"
Apparent magnitude (V) +4.51
Distance 213 ± 11 ly
(65 ± 3 pc)
Spectral type G8IIIFe-1
Other designations
29 Aurigae, HR 1995,
HD 38656, BD+39°1418,
HIP 27483, SAO 58465,
GC 7277, ADS 4398,
CCDM 05492+3911

Tau Aurigae (τ Aur / τ Aurigae) is a triple star system in the constellation Auriga. It is approximately 213 light years from Earth.

The primary component, τ Aurigae A, is a yellow G-type giant with an apparent magnitude of +4.51. It has two 12th magnitude companions, τ Aurigae B and C, 39.4 and 49.6 arcseconds away respectively.


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