| Identification Data |
| Common Name | |
| Constellation | Taurus |
| Star Name | 40 Tau |
| Skymap Number | 4030117 |
| Henry Draper (HD) Number | 25558 |
| Harvard Revised (HR) Number | 1253 |
| SAO Number | 111585 |
| Durchmusterung (DM) Number | BD+05 584 |
Washington Double Stars (WDS) Number
|
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 147165 |
| Right Ascension (RA) J2000 | 4h 3m 44.604s |
| Declination (Dec) J2000 | +5° 26' 8.248" |
| Position Uncertainty | 0.0128s |
| Proper Motion in RA (J2000)/cos(Dec) | +0.00008 |
| Proper Motion in Dec (J2000) | -0.005466 |
| Radial Velocity | +011.5km s-1 |
| Trigonometric Parallax | +0.00312s |
| Trigonometric Parallax Uncertainty | 0.00096s |
| GCI Unit Vector in X (J2000) | 0.483604 |
| GCI Unit Vector in Y (J2000) | 0.870146 |
| GCI Unit Vector in Z (J2000) | 0.094727 |
| Galactic Longitude | 185.31° |
Galactic Latitude
| -33.28°
|
| Observational Data |
| Observed Visual Magnitude (V) | 5.32 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.004 |
| Observed B Magnitude | 5.24 |
| Observed B-V Colour | -0.083 |
| Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.004 |
| Observed U Magnitude | |
| Observed U-B Colour | |
| Observed U Magnitude or (U-B) Magnitude Uncertainty | |
| Observed Photovisual Magnitude | 5.3 |
| Observed Photographic Magnitude | 5.2 |
| Morgan Keenan (MK) Spectral Type | B3V |
| One-Dimensional Spectral Class | B3 |
| Position Angle | |
| Year of Observation | AD |
Printer Version