Its story

13Zet Oph has a visual magnitude of about 2.56: under a reasonably dark sky it is typically reachable with the unaided eye.

Equatorial coordinates for 13Zet Oph: right ascension 16h 37m 10s, declination −10° 34′ 1″ (J2000), in the region of the Ophiuchus constellation (IAU figure Oph).

13Zet Oph. It appears in classical and modern catalogs as HIP 81377, HD 149757, Gaia DR3 4337352305320149760. In the SkyKeepsake Ophiuchus (Oph) browse hub it sits with other stars of the same IAU figure.