How to see it
HIP 21405 has a visual magnitude of about 8.52: it is a telescope star and remains difficult or invisible to the naked eye even in good conditions.
Sky position
Equatorial coordinates for HIP 21405: right ascension 4h 35m 41s, declination +39° 44′ 4″ (J2000), in the region of the Auriga constellation (IAU figure Aur).
Catalog context
HIP 21405. It appears in classical and modern catalogs as HIP 21405, HD 28989, Gaia DR3 178990395535829504. In the SkyKeepsake Auriga (Aur) browse hub it sits with other stars of the same IAU figure.
Catalog identifiers
- Gaia
- Gaia DR3 178990395535829504
- HIP
- 21405
- HD
- 28989
- gaia_dr3
- 178990395535829504
Also known as
- Gaia DR3 TOP 5M 178990395535829504
- HD 28989
Observed properties
- Visual magnitude
- 8.52