![]() ![]() Location of γ Pegasi (circled) |
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Observation data Epoch J2000 Equinox J2000 |
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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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