Omega Herculis

from Wikipedia, the free encyclopedia
Star
ω Herculis
AladinLite
Observation
dates equinoxJ2000.0 , epoch : J2000.0
Constellation Hercules
Right ascension 16 h 25 m 24.95 s
declination + 14 ° 01 ′ 59.8 ″
Apparent brightness 4.57 likes
Typing
B − V color index +0.00 
U − B color index −0.04 
R − I index −0.04 
Spectral class B9p Cr
Astrometry
parallax (13.04 ± 0.64)  mas
distance (250 ± 12)  ly
(77 ± 4)  pc  
Visual absolute brightness M vis approx. +0.2 mag
Proper movement 
Rec. Share: (+40.86 ± 0.56)  mas / a
Dec. portion: (−59.71 ± 0.52)  mas / a
Physical Properties
Other names
and catalog entries
Bayer name ω Herculis
Flamsteed name 24 Herculis
Bonn survey BD + 14 ° 3049
Bright Star Catalog HR 6117 [1]
Henry Draper Catalog HD 148112 [2]
Hipparcos catalog HIP 80463 [3]
SAO catalog SAO 102153 [4]
Tycho catalog TYC 971-1433-1 [5]
Other names FK5  613

ω Herculis ( Omega Herculis ) is a star in the constellation Hercules about 250 light years away . It belongs to the spectral class B9pCr and has an apparent brightness of 4.6 mag.

The star bears the historical proper name Kajam , also Cajam , Cujam ("club").

Individual evidence

  1. a b c Hipparcos catalog (ESA 1997)
  2. a b c Bright Star Catalog
  3. a b c Hipparcos, the New Reduction (van Leeuwen, 2007)
  4. estimated from apparent brightness and distance