| Identification Data |
| Common Name | |
| Constellation | Taurus |
| Star Name | 91sig1Tau |
| Skymap Number | 4390027 |
| Henry Draper (HD) Number | 29479 |
| Harvard Revised (HR) Number | 1478 |
| SAO Number | 94051 |
| Durchmusterung (DM) Number | BD+15 665 |
Washington Double Stars (WDS) Number
| 04393+1555
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 120110 |
| Right Ascension (RA) J2000 | 4h 39m 9.216s |
| Declination (Dec) J2000 | +15° 47' 59.444" |
| Position Uncertainty | 0.0408s |
| Proper Motion in RA (J2000)/cos(Dec) | +0.00225 |
| Proper Motion in Dec (J2000) | -0.077766 |
| Radial Velocity | +018.8km s-1 |
| Trigonometric Parallax | +0.02149s |
| Trigonometric Parallax Uncertainty | 0.00096s |
| GCI Unit Vector in X (J2000) | 0.332435 |
| GCI Unit Vector in Y (J2000) | 0.902968 |
| GCI Unit Vector in Z (J2000) | 0.272278 |
| Galactic Longitude | 182.08° |
Galactic Latitude
| -20.07°
|
| Observational Data |
| Observed Visual Magnitude (V) | 5.09 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.004 |
| Observed B Magnitude | 5.23 |
| Observed B-V Colour | +0.138 |
| Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.005 |
| Observed U Magnitude | |
| Observed U-B Colour | |
| Observed U Magnitude or (U-B) Magnitude Uncertainty | |
| Observed Photovisual Magnitude | 5.2 |
| Observed Photographic Magnitude | 5.3 |
| Morgan Keenan (MK) Spectral Type | A4m |
| One-Dimensional Spectral Class | A2 |
| Position Angle | |
| Year of Observation | AD |
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