51 Cyg
HIP 102177; 51 Cyg
Star
Cyg
Visible
Level 2
Small telescope (4")
Physical Properties
Magnitude
5.39
Spectral Type
B2V
Star Color
Blue-white
(B-V -0.10)
Position & Identifiers
RA
20h 42m 12.6s
Dec
+50° 20' 24.0"
Constellation
Cyg
HR
7929
HIP
102177
Flamsteed
51 Cyg
Double Cat
14189
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Visibility
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Multiple Star System B: optical
Components
5
Component IDs
AB
Separation
3.3″
Companion Mag
12.4
Position Angle
102°
Star Colors
A: Blue-white
Discoverer
BU 675
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
AB fixed.
Survey Image
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