Mirzam (Star)

R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.

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From Cambridge , Mirzam is not observable – it will reach its highest point in the sky during daytime and is no higher than 3° above the horizon at dawn.

Name Mirzam
Object type Star
Other names
Mirzam
β-CMa
Beta Canis Majoris
2-CMa
2 Canis Majoris
HR 2294[1]
HD 44743
HIP 30324[5]
TYC 5938-2918-1[4]
Position
Right ascension:06h22m41s [3]
Declination:−17°57'21" [3]
Constellation:Canis Major
Magnitude:
Variable
1.96 (V) [3]
1.75 (BT) [2]
1.93 (VT) [2]
Distance:151.1 parsec
492.4 lightyrs [5]
B-V Color (mag):-0.16
Proper motion (speed):3.3 mas/yr[5]
Proper motion (pos ang):256.4°
Derived quantities
Absolute mag (V):-3.94

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