Gamma Ursae Minoris
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Observation data Equinox J2000.0 |
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Constellation | Ursa Minor |
Right ascension | 15h 20m 43.7s |
Declination | +71° 50' 02" |
Apparent magnitude (V) | +3.00 |
Distance | 480 ± 33 ly (147 ± 10 pc) |
Spectral type | A3II-III |
Other designations | |
Gamma Ursae Minoris (γ UMi / γ Ursae Minoris) is a slightly variable star in the constellation Ursa Minor. It also has the traditional name Pherkad (or Pherkab).
Together with Beta Ursae Minoris, Gamma forms the end of the dipper pan of the "Little Dipper".
Gamma Ursae Minoris has apparent magnitude +3.00. It is of spectral class A2 and is approximately 480 light years from Earth. It is classified as a Delta Scuti type variable star and its brightness varies by 0.05 magnitudes with a period of 3.43 hours.