![]() ![]() Location of γ Ursae Majoris (circled) |
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Observation data Epoch J2000 Equinox J2000 |
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Constellation | Ursa Major |
Right ascension | 11 |
Declination | +53° 41′ 41.1350″ |
Apparent magnitude (V) | +2.438 |
Characteristics | |
Spectral type | A0 Ve |
U−B color index | +0.008 |
B−V color index | –0.013 |
Astrometry | |
Radial velocity (Rv) | −12.6 km/s |
Proper motion (μ) | RA: +107.68 mas/yr |
Parallax (π) | 39.21 ± 0.40mas |
Distance | 83.2 ± 0.8 ly (25.5 ± 0.3 pc) |
Details | |
Mass | 2.62M☉ |
Radius | 3.04 ± 0.08R☉ |
Surface gravity (log g) | 3.79 |
Temperature | 9,355K |
Rotational velocity (v sin i) | 178 km/s |
Age | 0.3Gyr |
Other designations | |
Phad, Phecda, Phekda, Phegda, Phekha, Phacd, Fekda,
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