Gamma Trianguli
Gamma Trianguli (Gamma Tri, γ Trianguli, γ Tri) is a star in the constellation Triangulum located approximately 112 light years from Earth. It has an apparent magnitude of +4.01 and forms an optical (line-of-sight) triple with Delta Trianguli and 7 Trianguli.
Observation data Epoch J2000 Equinox J2000 | |
---|---|
Constellation | Triangulum |
Right ascension | 02h 17m 18.86703s |
Declination | +33° 50′ 49.8950″ |
Apparent magnitude (V) | +4.01 |
Characteristics | |
Spectral type | A1Vnn |
U−B color index | +0.02 |
B−V color index | +0.02 |
Astrometry | |
Radial velocity (Rv) | +9.9 km/s |
Proper motion (μ) | RA: 44.64 mas/yr Dec.: –52.57 mas/yr |
Parallax (π) | 29.04 ± 0.25 mas |
Distance | 112.3 ± 1.0 ly (34.4 ± 0.3 pc) |
Absolute magnitude (MV) | +1.35 |
Details | |
Mass | 2.7 M☉ |
Radius | 1.96 R☉ |
Luminosity | 33.0 L☉ |
Temperature | 9,440 K |
Rotational velocity (v sin i) | 254 km/s |
Age | 300 Myr |
Other designations | |
Database references | |
SIMBAD | data |
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