Xi CMa
HIP 31125; Xi CMa; 4 CMa
HIP 31125; Xi CMa; 4 CMa
Star
CMa
Visible
Level 2
Small telescope (4")
Physical Properties
Magnitude
4.33
Range
4.33 - 4.36
Period
5.0 hours
Variable Type
Beta Cephei (Pulsating)
Spectral Type
B0.5IV
Star Color
Blue
(B-V -0.24)
Position & Identifiers
RA
06h 31m 51.3s
Dec
-23° 25' 06.0"
Constellation
CMa
HR
2387
HIP
31125
Bayer
Xi
Flamsteed
4 CMa
Variable ID
Xi1 CMa
Double Cat
5176
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Visibility
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Light Curve
Multiple Star System
Components
3
Component IDs
AB
Separation
26.5″
Companion Mag
14.0
Position Angle
147°
Star Colors
A: Blue
Discoverer
SEE 68
Size Comparison
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Stellar Lifecycle
Spectral Classification
Hertzsprung-Russell Diagram
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Blackbody Spectrum
Stellar Absorption Spectrum
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Stellar Fusion
Stellar Notes
Beta C 4.33 - 4.36V, 0.2095755d, secondary variations. Effective temperature varies by 1400K and ratio of max. to | min. radius by 1.042.
Possible member CR 121; OB1 group near Omicron CMa.
Abnormally strong UV SiIV and CIV for its luminosity class.
Survey Image
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