![]() Mizar and Alcor in constellation Ursa Major |
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Observation data Epoch J2000 Equinox J2000 |
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Constellation | Ursa Major |
Right ascension | 13h 23m 55.5s |
Declination | +54° 55′ 31″ |
Apparent magnitude (V) | 2.23 |
Characteristics | |
Spectral type | A2 V/A2 V/A1 V |
U−B color index | 0.09 |
B−V color index | 0.13 |
Astrometry | |
Radial velocity (Rv) | −9 km/s |
Proper motion (μ) | RA: 121.23 mas/yr Dec.: −22.01 mas/yr |
Parallax (π) | 39.4 ± 0.3 mas |
Distance | 82.8 ± 0.6 ly (25.4 ± 0.2 pc) |
Absolute magnitude (MV) | 0.33 |
Other designations | |
Mizat, Mirza, Mitsar, Vasistha, 79 Ursae Majoris, HR 5054, BD +55 1598A, HD 116656, SAO 28737, FK5 497, HIP 65378.
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