| Identification Data |
| Common Name | |
| Constellation | Taurus |
| Star Name | 105 Tau |
| Skymap Number | 5070170 |
| Henry Draper (HD) Number | 32991 |
| Harvard Revised (HR) Number | 1660 |
| SAO Number | 76972 |
| Durchmusterung (DM) Number | BD+21 766 |
Washington Double Stars (WDS) Number
| 05079+2142
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 94085 |
| Right Ascension (RA) J2000 | 5h 7m 55.435s |
| Declination (Dec) J2000 | +21° 42' 17.355" |
| Position Uncertainty | 0.0079s |
| Proper Motion in RA (J2000)/cos(Dec) | +0.00013 |
| Proper Motion in Dec (J2000) | -0.006266 |
| Radial Velocity | +016.4km s-1 |
| Trigonometric Parallax | +0.00316s |
| Trigonometric Parallax Uncertainty | 0.00081s |
| GCI Unit Vector in X (J2000) | 0.209303 |
| GCI Unit Vector in Y (J2000) | 0.905219 |
| GCI Unit Vector in Z (J2000) | 0.369825 |
| Galactic Longitude | 181.35° |
Galactic Latitude
| -11.09°
|
| Observational Data |
| Observed Visual Magnitude (V) | 5.84 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.007 |
| Observed B Magnitude | 6.01 |
| Observed B-V Colour | +0.165 |
| Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.010 |
| Observed U Magnitude | |
| Observed U-B Colour | |
| Observed U Magnitude or (U-B) Magnitude Uncertainty | |
| Observed Photovisual Magnitude | 6.0 |
| Observed Photographic Magnitude | 5.8 |
| Morgan Keenan (MK) Spectral Type | B2Ve |
| One-Dimensional Spectral Class | B3 |
| Position Angle | 251 |
| Year of Observation | 1925. AD |
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