27 CMa
HIP 34981; 27 CMa
DoubleStar
CMa
Visible
Level 6
Professional/Research - Requires steady seeing
Physical Properties
Magnitude
4.66
Variable Type
Gamma Cassiopeiae (Eruptive Be Star)
Spectral Type
B3IIIe
Star Color
Blue
(B-V -0.19)
Position & Identifiers
RA
07h 14m 15.2s
Dec
-26° 21' 09.0"
Constellation
CMa
HR
2745
HIP
34981
Flamsteed
27 CMa
Variable ID
EW CMa
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Visibility
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Multiple Star System
Separation
0.1″
Companion Mag
4.9
Position Angle
355°
Star Colors
A: Blue
Discoverer
FIN 323
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 0.1″ · PA: 355° · N up, E left
Unresolved · 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
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Stellar Notes
Gamma Cas 4.42 - 4.82V.
31?y. Sep. 0.098".
0.261975d.
Shell star.
Survey Image
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