Sigma Cyg
HIP 105102; Sigma Cyg; 67 Cyg
Star
Cyg
Visible
Level 2
Small telescope (4")
Physical Properties
Magnitude
4.23
Spectral Type
B9Iab
Star Color
White
(B-V 0.12)
Distance
296.5 ly
Position & Identifiers
RA
21h 17m 25.0s
Dec
+39° 23' 41.0"
Constellation
Cyg
HR
8143
HIP
105102
Bayer
Sigma
Flamsteed
67 Cyg
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Visibility
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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
H alpha profile varies.
11.043d?
Cyg OB4; embedded in dust.
Survey Image
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