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Gamma Trianguli information


γ Trianguli
Location of γ Trianguli (circled)
Observation data
Epoch J2000      Equinox J2000
Constellation Triangulum
Right ascension 02h 17m 18.86703s[1]
Declination +33° 50′ 49.8950″[1]
Apparent magnitude (V) +4.01[2]
Characteristics
Spectral type A1Vnn[3]
U−B color index +0.02[2]
B−V color index +0.02[2]
Astrometry
Radial velocity (Rv)+9.9[4] km/s
Proper motion (μ) RA: 44.64[1] mas/yr
Dec.: –52.57[1] mas/yr
Parallax (π)29.04 ± 0.25 mas[1]
Distance112.3 ± 1.0 ly
(34.4 ± 0.3 pc)
Absolute magnitude (MV)+1.35[5]
Details
Mass2.7[6] M
Radius1.96[7] R
Luminosity33.0[6] L
Temperature9,440[8] K
Rotational velocity (v sin i)254[9] km/s
Age300[6] Myr
Other designations
γ Trianguli, γ Tri, Gamma Tri, 9 Trianguli, BD+33 397, FK5 79, HD 14055, HIP 10670, HR 664, SAO 55427[10]
Database references
SIMBADdata

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.[11]

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