HD 85945

HD 85945
Observation data
Epoch J2000      Equinox J2000
Constellation Ursa Major[a]
Right ascension 09h 57m 13.61s[1]
Declination +57° 25′ 05.54″[1]
Apparent magnitude (V) 5.959±0.009[1]
Characteristics
Evolutionary stage Horizontal branch[2]
Spectral type G6III:Fe-0.5[1]
Apparent magnitude (B) 6.854±0.015[1]
Apparent magnitude (G) 5.733[1]
Apparent magnitude (J) 4.513±0.028[1]
Apparent magnitude (H) 4.141±0.036[1]
Apparent magnitude (K) 3.978±0.3[1]
B−V color index 0.895[3]
Astrometry
Radial velocity (Rv)−46.55±0.12[4] km/s
Proper motion (μ) RA: 31.347 mas/yr[4]
Dec.: -61.766 mas/yr[4]
Parallax (π)7.4137 ± 0.024 mas[4]
Distance432.08 ly
(132.54 pc)[4]
Absolute magnitude (MV)0.32[5]
Details
Mass2.5[2] M☉
Radius10.28±0.14[6] R☉
Luminosity77.62[7][b] L☉
Surface gravity (log g)2.6866[4] cgs
Temperature5281±22[6] K
Metallicity [Fe/H]–0.4[7] dex
Rotational velocity (v sin i)7.53[3] km/s
Age660.7[2][c] Myr
Other designations
BD+58 1224, Gaia DR2 1046383298937140864, Gaia DR3 1046383298937140864, HIP 48802, HR 3922, PPM 32387, TIC 377368616, TYC 3817-1649-1, GSC 03817-01649, IRAS 09537+5739
Database references
SIMBADdata

HD 85945 (HR 3922) is a star in the constellation Ursa Major. It is a yellow giant star with a spectral type of G6III:Fe-0.5. Based on information from Gaia DR3, it is located 132.54 parsecs (432.3 ly) from Earth and is moving towards Earth at a velocity of 47 km/s. It has an apparent magnitude of 5.96, which makes it faintly visible to the naked eye.

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