Yed Prior
HIP 79593; Delta Oph; 1 Oph
HIP 79593; Delta Oph; 1 Oph
Star
Oph
Visible
Level 1
Naked eye / Binoculars
Physical Properties
Magnitude
2.74
Spectral Type
M0.5III
Star Color
Red
(B-V 1.58)
Distance
171 ly
Position & Identifiers
RA
16h 14m 20.7s
Dec
-03° 41' 40.0"
Constellation
Oph
HR
6056
HIP
79593
Bayer
Delta
Flamsteed
1 Oph
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Visibility
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Multiple Star System B,C: optical
Separation
68.4″
Companion Mag
13.4
Position Angle
308°
Star Colors
A: Red
Discoverer
BUP 164
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
Ultraviolet FeII emission.
Yed Prior; Yad; Yed; Jed.
Survey Image
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