Yed Posterior

Yed Posterior (ε Ophiuchi) is a yellow supergiant star in the constellation Ophiuchus. With an apparent magnitude of 3.24 it is the 221st-brightest star in the night sky, and it is about 108 light-years from Earth.

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

ConstellationOphiuchus
Designationε Ophiuchi (Epsilon Ophiuchi), HR 6075
Apparent magnitude3.24 (221st brightest)
Spectral typeG9.5IIIbFe-0.5
Coloryellow (B−V 0.96)
Distanceabout 108 light-years
Right ascension16 h 18.3 min
Declination−4.69°
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 Posterior

Yed Posterior is in Ophiuchus. From 40° N it is highest in the south in July evenings, about 45° above the horizon. From 35° S it reaches about 60° in the north. Nearby bright stars: Sabik (17° away), Dschubba (18° away) and Antares (22° away).

Ophiuchus constellation →

Other named stars in Ophiuchus

RasalhagueSabikYed PriorCebalraiMarfik

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