Gamma Canis Majoris
Star γ Canis Majoris |
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γ CMa in the constellation Great Dog | |||||||||||||||||
AladinLite | |||||||||||||||||
Observation dates equinox : J2000.0 , epoch : J2000.0 |
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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 |
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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 |
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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
- ↑ a b c Hipparcos catalog (ESA 1997)
- ↑ a b c Bright Star Catalog
- ↑ a b c Hipparcos, the New Reduction (van Leeuwen, 2007)
- ↑ estimated based on the apparent brightness and distance