SkyKeepsake page about the star Yed Posterior

Yed Posterior is a star in the constellation Oph, located approximately 106.9 light years away. This star is easily recognizable as a double magnitude star – it’s slightly brighter than the companion star, allowing for observation. It doesn’t exhibit strong spectral type characteristics, nor does it possess a prominent colour or physical characteristics that would allow for identification as a specific star type. Its visual magnitude is 2.977, placing it within the range of stars readily visible with instruments.

Many stargazers choose Yed Posterior as a symbolic focus due to its significant position within the constellation Oph. The constellation's historical and mythological associations offer a gentle reference point for those seeking connection to ancient stories of star-crossing and divine lineage. While celestial navigation and a keen eye can reveal its presence, the star doesn't lend itself to romantic or fantastical interpretations.

Essentially, the star offers a simple, dependable object for a focus on one's vantage point in the sky. It is a measurable, well-defined point of light against the expansive backdrop of the universe.

How to see it

Yed Posterior has a visual magnitude of about 2.98: under a reasonably dark sky it is typically reachable with the unaided eye.

Sky position

Equatorial coordinates for Yed Posterior: right ascension 16h 18m 19s, declination −4° 41′ 32″ (J2000), on the celestial sphere.

Catalog context

Yed Posterior. It appears in classical and modern catalogs as Bayer/Flamsteed designation 2Eps Oph, HIP 79882, HD 146791, Gaia DR3 4356298849169862784.

Catalog identifiers

Gaia

Gaia DR3 4356298849169862784

HIP

79882

HD

146791

gaia_dr3

4356298849169862784

Bayer / Flamsteed

2Eps Oph

Observed properties

Visual magnitude

2.98