RY Sgr
Good (57/100)
HIP 94730
VariableStar
Sgr
Visible
Level 2
Small telescope (4") - Monitor brightness changes
Physical Properties
Magnitude
6.25
Range
5.8 - 14.0
Period
38 days
Variable Type
R Coronae Borealis (Carbon Star)
Spectral Type
G0Ipe(C1,0)
Star Color
White
(B-V 0.02)
Position & Identifiers
RA
19h 16m 32.8s
Dec
-33° 31' 18.0"
Constellation
Sgr
HR
7296
HIP
94730
Variable ID
RY Sgr
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Visibility
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Light Curve
Comparison Stars for RY Sgr (6.1–6.8)
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
RCB 6.0 - >15.0v. Also pulsations 38.454d, changing amplitude. Observations 1984-86 indicate semiregular pulsations | of 33 to 40d, 6.13 - 6.78V, 0.38 - 0.76(B-V), -0.09 to +0.52(U-B).
Possible extinction by circumstellar dust.
Hydrogen deficient carbon star.
38.6d.
Survey Image
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