Gamma Canis Majoris

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Star
γ Canis Majoris
γ CMa in the constellation Great Dog
AladinLite
Observation
dates equinoxJ2000.0 , epoch : J2000.0
Constellation Big dog
Right ascension 07 h 03 m 45.49 s
declination -15 ° 37 ′ 59.8 ″
Apparent brightness 4.11 likes
Typing
B − V color index −0.12 
U − B color index −0.48 
R − I index −0.10 
Spectral class B8 II
Astrometry
Radial velocity +32 km / s
parallax (7.38 ± 0.21)  mas
distance (442 ± 13)  ly
(136 ± 4)  pc  
Visual absolute brightness M vis −1.55 mag
Proper movement 
Rec. Share: (−0.14 ± 0.19)  mas / a
Dec. portion: (−11.36 ± 0.21)  mas / a
Physical Properties
Other names
and catalog entries
Bayer name γ Canis majoris
Flamsteed name 23 Canis Majoris
Bonn survey BD -15 ° 1625
Bright Star Catalog HR 2657 [1]
Henry Draper Catalog HD 53244 [2]
Hipparcos catalog HIP 34045 [3]
SAO catalog SAO 152303 [4]
Tycho catalog TYC 5963-1938-1 [5]

γ Canis Majoris (Gamma Canis Majoris , γ CMa for short ). Muliphein belongs to the spectral class B8 and has an apparent brightness of 4.1 mag. It is about 440 light years away from Earth.

The star bears the historical proper name Muliphein , which is derived from Arabic محلفين, DMG Muḥlifayn  'star on which one takes the oath'. The star shares this proper name with γ Centauri .

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 based on the apparent brightness and distance