Yed Prior

Yed Prior (δ Ophiuchi) is a red giant star in the constellation Ophiuchus. With an apparent magnitude of 2.74 it is the 120th-brightest star in the night sky, and it is about 160 light-years from Earth.

Finder chart showing where Yed Prior is in the constellation Ophiuchus
Yed Prior (circled) in Ophiuchus, with the surrounding constellations and bright stars.
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Facts

ConstellationOphiuchus
Designationδ Ophiuchi (Delta Ophiuchi), HR 6056
Apparent magnitude2.74 (120th brightest)
Spectral typeM0.5III
Colorred (B−V 1.58)
Distanceabout 160 light-years
Right ascension16 h 14.3 min
Declination−3.69°
Best monthJuly (at about 9 pm)

Sources: star positions, magnitudes and colors from the Yale Bright Star Catalogue; constellation boundaries and star names from the IAU; areas and distances from Wikidata; stick figures by M. van der Sluys. How the maps are made.

How to find Yed Prior

Yed Prior is in Ophiuchus. From 40° N it is highest in the south in July evenings, about 46° above the horizon. From 35° S it reaches about 59° in the north. Nearby bright stars: Sabik (18° away), Dschubba (19° away) and Antares (23° away).

Ophiuchus constellation →

Other named stars in Ophiuchus

RasalhagueSabikCebalraiYed PosteriorMarfik

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