| Identification Data |
| Common Name | Hyadum Ii |
| Constellation | Taurus |
| Star Name | 61del1Tau |
| Skymap Number | 4220123 |
| Henry Draper (HD) Number | 27697 |
| Harvard Revised (HR) Number | 1373 |
| SAO Number | 93897 |
| Durchmusterung (DM) Number | BD+17 712 |
Washington Double Stars (WDS) Number
| 04229+1733
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 119835 |
| Right Ascension (RA) J2000 | 4h 22m 56.093s |
| Declination (Dec) J2000 | +17° 32' 33.051" |
| Position Uncertainty | 0.0124s |
| Proper Motion in RA (J2000)/cos(Dec) | +0.00753 |
| Proper Motion in Dec (J2000) | -0.028866 |
| Radial Velocity | +039.0km s-1 |
| Trigonometric Parallax | +0.02129s |
| Trigonometric Parallax Uncertainty | 0.00093s |
| GCI Unit Vector in X (J2000) | 0.391865 |
| GCI Unit Vector in Y (J2000) | 0.869248 |
| GCI Unit Vector in Z (J2000) | 0.301413 |
| Galactic Longitude | 178.02° |
Galactic Latitude
| -22.01°
|
| Observational Data |
| Observed Visual Magnitude (V) | 3.76 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.002 |
| Observed B Magnitude | 4.75 |
| Observed B-V Colour | +0.989 |
| Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.003 |
| Observed U Magnitude | |
| Observed U-B Colour | |
| Observed U Magnitude or (U-B) Magnitude Uncertainty | |
| Observed Photovisual Magnitude | 3.9 |
| Observed Photographic Magnitude | |
| Morgan Keenan (MK) Spectral Type | G9.5IIICN0.5 |
| One-Dimensional Spectral Class | K0 |
| Position Angle | 338 |
| Year of Observation | 1959. AD |
