Y Oph
Excellent (64/100)
HIP 87495
VariableStar
Ophiuchus
(Oph)
Visible
Level 2
Small telescope (4") - Monitor brightness changes
Physical Properties
Magnitude
6.21
Range
5.87 - 6.34
Period
17.1 days
Variable Type
Classical Cepheid
Spectral Type
F8Ib-G3Ib
Star Color
Red
(B-V 1.40)
Position & Identifiers
RA
17h 52m 38.8s
Dec
-06° 08' 37.0"
Constellation
Ophiuchus
(Oph)
HR
6661
HIP
87495
Variable ID
Y Oph
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Visibility
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Light Curve
Comparison Stars for Y Oph (5.9–6.5)
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
Delta Cep 5.87 - 6.46V, 17.12413d, period varies. Atypical light curve. Possibly SB.
Probably not IR source.
Survey Image
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