Gamma Pegasi

Location of γ Pegasi (circled)
Observation data
Epoch J2000      Equinox J2000
Constellation Pegasus
Right ascension 00
Declination +15° 11′ 00.9368″
Apparent magnitude (V) +2.84
Characteristics
Spectral type B2 IV
U−B color index –0.85
B−V color index –0.23
Variable type β Cep
Astrometry
Radial velocity (Rv) +4.1 km/s
Proper motion (μ) RA: +1.98 mas/yr
Parallax (π) 8.33 ± 0.53mas
Distance 390 ± 20 ly
(120 ± 8 pc)
Details
Mass 8.9 ± 0.1M
Radius 4.80 ± 0.39R
Luminosity 5,840L
Surface gravity (log g) 3.98 ± 0.06
Temperature 21,179 ± 237K
Metallicity [Fe/H] –0.34dex
Rotational velocity (v sin i) 0 km/s
Age 18.7 ± 3.2Myr
Other designations
Algeneb, Algenib, 88 Peg, HD 886, FK5 7, HIP 1067, HR 39, SAO 91781.

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This article uses material from the Wikipedia article
Algenib, which is released under the Creative Commons Attribution-Share-Alike License 3.0