| Identification Data |
| Common Name | |
| Constellation | Taurus |
| Star Name | 55 Tau |
| Skymap Number | 4190138 |
| Henry Draper (HD) Number | 27383 |
| Harvard Revised (HR) Number | |
| SAO Number | 93870 |
| Durchmusterung (DM) Number | BD+16 579 |
Washington Double Stars (WDS) Number
| 04199+1631
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 119794 |
| Right Ascension (RA) J2000 | 4h 19m 54.866s |
| Declination (Dec) J2000 | +16° 31' 21.284" |
| Position Uncertainty | 0.0269s |
| Proper Motion in RA (J2000)/cos(Dec) | +0.00882 |
| Proper Motion in Dec (J2000) | -0.042467 |
| Radial Velocity | +036.8km s-1 |
| Trigonometric Parallax | +0.02327s |
| Trigonometric Parallax Uncertainty | 0.00114s |
| GCI Unit Vector in X (J2000) | 0.405492 |
| GCI Unit Vector in Y (J2000) | 0.868733 |
| GCI Unit Vector in Z (J2000) | 0.284393 |
| Galactic Longitude | 178.36° |
Galactic Latitude
| -23.22°
|
| Observational Data |
| Observed Visual Magnitude (V) | 6.86 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.008 |
| Observed B Magnitude | 7.42 |
| Observed B-V Colour | +0.559 |
| Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.009 |
| Observed U Magnitude | |
| Observed U-B Colour | |
| Observed U Magnitude or (U-B) Magnitude Uncertainty | |
| Observed Photovisual Magnitude | 6.9 |
| Observed Photographic Magnitude | 7.3 |
| Morgan Keenan (MK) Spectral Type | F7V+G3V |
| One-Dimensional Spectral Class | G0 |
| Position Angle | |
| Year of Observation | 1990. AD |
