Star
Yed Prior
δ Ophiuchi · HIP 79593 · Red giant
True colour from its B–V index (1.58) — a surface around 3,700 K.
Distance
171 light-years
Spectral type
M1III
Brightness
mag 2.73
Absolute mag
-0.87
Luminosity
194 × Sun
Surface
~3,700 K
Right ascension
16h 14m 21s
Declination
−3° 42′
- Yed Prior is a red giant in Ophiuchus.
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Distances and spectral types: HYG Database (Hipparcos parallaxes), CC BY-SA 4.0.