How to see it
81 Tau has a visual magnitude of about 5.42: under a reasonably dark sky it is typically reachable with the unaided eye.
Sky position
Equatorial coordinates for 81 Tau: right ascension 4h 30m 39s, declination +15° 41′ 30″ (J2000), in the region of the Taurus constellation (IAU figure Tau).
Catalog context
81 Tau. It appears in classical and modern catalogs as HIP 21039, HD 28546, Gaia DR3 3312628358950130176. In the SkyKeepsake Taurus (Tau) browse hub it sits with other stars of the same IAU figure.
Catalog identifiers
- Gaia
- Gaia DR3 3312628358950130176
- HIP
- 21039
- HD
- 28546
- gaia_dr3
- 3312628358950130176
- Bayer / Flamsteed
- 81 Tau
Also known as
- Gaia DR3 TOP 5M 3312628358950130176
- HD 28546
- HIP 21039
Observed properties
- Visual magnitude
- 5.42