FR CMa
HIP 30214
DoubleStar
CMa
Visible
Level 4
Large telescope (10"+) - Requires steady seeing
Physical Properties
Magnitude
5.64
Range
5.43 - 5.64
Variable Type
Gamma Cassiopeiae (Eruptive Be Star)
Spectral Type
B1Vpe
Star Color
Blue-white
(B-V -0.02)
Position & Identifiers
RA
06h 21m 24.7s
Dec
-11° 46' 24.0"
Constellation
CMa
HR
2284
HIP
30214
Variable ID
FR CMa
Double Cat
4978
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Visibility
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Multiple Star System
Components
3
Component IDs
AB
Separation
3.9″
Companion Mag
9.7
Companion Sp
B9V
Position Angle
23°
Star Colors
A: Blue-white
B: Blue-white
Discoverer
STF3116
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 3.9″ · PA: 23° · N up, E left
Resolved · 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 Fusion
Stellar Notes
Gamma Cas 5.46 - 5.64V.
AB CPM. C at 56", optical?
Also classified B1Vpc. Variable emission lines.
Survey Image
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