Pi3 Orionis

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π3 Orionis
Observation data
Epoch J2000
Constellation
(pronunciation)
Orion
Right ascension 04h 49m 50.4s
Declination +06° 57′ 41″
Apparent magnitude (V) 3.60
Characteristics
Spectral type F6 V
U-B color index -0.01
B-V color index 0.45
Variable type Suspected
Astrometry
Radial velocity (Rv) 24.3 km/s
Proper motion (μ) RA: 463.44 mas/yr
Dec.: 11.62 mas/yr
Parallax (π) 124.13 ± 0.87 mas
Distance 26.3 ± 0.2 ly
(8.06 ± 0.06 pc)
Absolute magnitude (MV) 3.66
Details
Mass 1.3 M
Radius 1.3 R
Luminosity 3 L
Temperature 6674 K
Metallicity 20-150%
Rotation ?
Age ? years
Other designations
Tabit, 1 Ori, Gl 178, HR 1543, BD +06°762, HD 30652, LTT 11517, GCTP 1077.00, SAO 112106, FK5 1134, HIP 22449.

Pi3 Orionis or Pi-3 Orionis3 Ori / π3 Orionis) is the brightest star in the lion's hide (or shield) that Orion is holding. It is one of a series of stars that share the Bayer designation Pi Orionis. It also has the traditional name Tabit.

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