Mu CMa
Observable Double Star
Excellent (63/100)
Sep: 2.8", Companion: mag 7.1
HIP 33345; Mu CMa; 18 CMa
DoubleStar
CMa
Visible
Level 4
Large telescope (10"+) - Requires steady seeing
Physical Properties
Magnitude
5.00
Spectral Type
G5III+A2
Star Color
Red
(B-V 1.18)
Position & Identifiers
RA
06h 56m 06.6s
Dec
-14° 02' 37.0"
Constellation
CMa
HR
2593
HIP
33345
Bayer
Mu
Flamsteed
18 CMa
Double Cat
5605
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Visibility
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Multiple Star System
Components
4
Component IDs
AB
Separation
2.8″
Companion Mag
7.1
Companion Sp
A2
Position Angle
344°
Star Colors
A: Red
B: White
Discoverer
STF 997
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 2.8″ · PA: 344° · N up, E left
At limit · Rayleigh: 2.3″ · Dawes: 1.9″ · Eff: 3.1″
Size Comparison
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Stellar Lifecycle
Spectral Classification
Hertzsprung-Russell Diagram
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Blackbody Spectrum
Stellar Absorption Spectrum
Simulated absorption spectrum based on spectral type. Hover over lines to identify elements.
Stellar Notes
AB fixed.
Survey Image
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