Tau Ursae Majoris

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τ Ursae Majoris
Observation data
Epoch J2000.0
Constellation
(pronunciation)		 Ursa Major
Right ascension 09h 10m 55.1s
Declination +63° 30' 49"
Apparent magnitude (V) +4.67
Distance 122 ± 3 ly
(37 ± 1 pc)
Spectral type F3-4IIIm
Other designations
14 Ursae Majoris, HR 3624,
HD 78362, BD+64 723A,
FK5 2727, HIP 45075,
SAO 14796, GC 12646,
ADS 7211, CCDM 09110+6331

Tau Ursae Majoris (τ UMa / τ Ursae Majoris) is a binary star in the constellation Ursa Major. It is approximately 122 light years from Earth.

Tau Ursae Majoris is a spectroscopic binary which is classified as a yellow-white F-type giant with an apparent magnitude of +4.67. The binary system completes one orbit every 1062 days.


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