Pi 3 Orionis

from Wikipedia, the free encyclopedia
Star
π 3 Orionis
AladinLite
Observation
dates equinoxJ2000.0 , epoch : J2000.0
Constellation Orion
Right ascension 04 h 49 m 50.4 s
declination + 06 ° 57 ′ 41 ″
Apparent brightness 3.2 mag
Typing
B − V color index +0.45 
U − B color index −0.01 
Spectral class F6 V
Astrometry
Radial velocity (+24.1 ± 0.9) km / s
parallax (123.94 ± 0.17)  mas
distance (26.32 ± 0.04)  ly
(8.07 ± 0.01)  pc
Proper movement 
Rec. Share: +464  mas / a
Dec. portion: +11  mas / a
Physical Properties
Other names
and catalog entries
Bayer name π 3 Orionis
Flamsteed name 1 Orionis
Bonn survey BD + 6 ° 762
Bright Star Catalog HR 1543 [1]
Henry Draper Catalog HD 30652 [2]
Gliese catalog FY 178 [3]
Hipparcos catalog HIP 22449 [4]
SAO catalog SAO 112106 [5]
Tycho catalog TYC 96-1462-1 [6]
Other names FK5 1134, LTT 11517

π 3 Orionis is a star in the constellation Orion . It belongs to the spectral class F6V, has an apparent magnitude of 3.2 mag and is 26 light years away from Earth.

In historical astronomy, the name Tabit ( Arabic ﺛﺎﺑﺖ, DMG ṯābit  'the unshakable') referred to this star.

Web links