How to see it
139 Tau has a visual magnitude of about 4.76: under a reasonably dark sky it is typically reachable with the unaided eye.
Sky position
Equatorial coordinates for 139 Tau: right ascension 5h 57m 60s, declination +25° 57′ 14″ (J2000), in the region of the Gemini constellation (IAU figure Gem).
Catalog context
139 Tau. It appears in classical and modern catalogs as HIP 28237, HD 40111, Gaia DR3 3429829048565502848. In the SkyKeepsake Gemini (Gem) browse hub it sits with other stars of the same IAU figure.
Catalog identifiers
- Gaia
- Gaia DR3 3429829048565502848
- HIP
- 28237
- HD
- 40111
- gaia_dr3
- 3429829048565502848
- Bayer / Flamsteed
- 139 Tau
Observed properties
- Visual magnitude
- 4.76