Gamma Ursae Majoris

Location of γ Ursae Majoris (circled)
Observation data
Epoch J2000      Equinox J2000
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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This article uses material from the Wikipedia article
Phad, which is released under the Creative Commons Attribution-Share-Alike License 3.0