Gamma2 Normae
| Observation data Epoch J2000.0 Equinox J2000.0 (ICRS) |
|
|---|---|
| Constellation | Norma |
| Right ascension | 16h 19m 50.42227s |
| Declination | −50° 09′ 19.8223″ |
| Apparent magnitude (V) | 4.02 |
| Characteristics | |
| Spectral type | G8III |
| U−B color index | +1.07 |
| B−V color index | +1.08 |
| Astrometry | |
| Radial velocity (Rv) | −28.90 ± 0.7 km/s |
| Proper motion (μ) |
RA: -159.71 mas/yr Dec.: -52.25 mas/yr |
| Parallax (π) | 25.33 ± 0.20mas |
| Distance | 129 ± 1 ly (39.5 ± 0.3 pc) |
| Absolute magnitude (MV) | 1.057 |
| Details | |
| Mass | 2.16 M☉ |
| Surface gravity (log g) | 2.80 cgs |
| Temperature | 4,699 K |
| Metallicity [Fe/H] | 0.23 dex |
| Other designations | |
| Database references | |
| SIMBAD | data |
| ARICNS | data |
Gamma2 Normae (γ2 Nor) is the brightest star in the constellation Norma. Its apparent magnitude is 4.02. Located 129 ± 1 light-years away from Earth, it is a yellow giant of spectral type G8III around 2 to 2.5 times as massive as the Sun that has swollen to a diameter 10 times that of the Sun. It is itself a close optical double, with a magnitude 10 companion star related by line of sight only.
γ1 Nor is a nearby star nearly a magnitude fainter.
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