RS Cyg
Excellent (66/100)
HIP 99653
VariableStar
Cygnus
(Cyg)
Visible
Level 2
Small telescope (4") - Monitor brightness changes
Physical Properties
Magnitude
6.50
Range
6.5 - 9.5
Period
417 days
Variable Type
Semi-Regular Variable (Late-type Giant)
Spectral Type
C
Star Color
Deep ruby red
(B-V 3.00)
Position & Identifiers
RA
20h 13m 24.0s
Dec
+38° 43' 45.0"
Constellation
Cygnus
(Cyg)
HR
9115
HIP
99653
Variable ID
RS Cyg
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Visibility
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Light Curve
Comparison Stars for RS Cyg (6.5–9.5)
Nearby stable stars for estimating brightness (AAVSO)
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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 Fusion
Stellar Notes
Carbon star; Period 417d
Carbon star
Survey Image
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