Its story

HIP 21042 has a visual magnitude of about 5.69: under a reasonably dark sky it is typically reachable with the unaided eye.

Equatorial coordinates for HIP 21042: right ascension 4h 30m 40s, declination −35° 39′ 12″ (J2000), in the region of the Caelum constellation (IAU figure Cae).

HIP 21042. It appears in classical and modern catalogs as HIP 21042, HD 28776, Gaia DR3 4867641437633550720. In the SkyKeepsake Caelum (Cae) browse hub it sits with other stars of the same IAU figure.