Observation data Epoch J2000.0 Equinox J2000.0 |
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Constellation | Ursa Minor |
Right ascension | 16h 17m 30.3s |
Declination | +75° 45' 19" |
Apparent magnitude (V) | +4.95 |
Distance | 97.3 ± 1.4 ly (29.8 ± 0.4 pc) |
Spectral type | F5V |
Other designations | |
Eta Ursae Minoris (η UMi, η Ursae Minoris) is a star in the constellation Ursa Minor. It has the traditional names Anwar al Farkadain and Alasco. The first is from the Arabic أنور الفرقدين ’anwar al-farqadayn "the brighter of the two calves", as opposed to Ahfa al Farkadain (ζ UMi) "the dimmer of the two calves"; these names were originally applied to Kochab, and Pherkad, respectively, the other two stars in the rectangle of Ursa Minor.
Eta Ursae Minoris is a yellow-white F-type main sequence dwarf with an apparent magnitude of +4.95, making it visible to the naked eye. It is approximately 97.3 light years from Earth.
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