Identification Data |
Common Name | |
Constellation | Taurus |
Star Name | 4 Tau |
Skymap Number | 3300060 |
Henry Draper (HD) Number | 21686 |
Harvard Revised (HR) Number | 1061 |
SAO Number | 93463 |
Durchmusterung (DM) Number | BD+10 452 |
Washington Double Stars (WDS) Number
|
|
Positional Data |
Position and Proper Motion (PPM) Number | 119132 |
Right Ascension (RA) J2000 | 3h 30m 24.468s |
Declination (Dec) J2000 | +11° 20' 11.192" |
Position Uncertainty | 0.0122s |
Proper Motion in RA (J2000)/cos(Dec) | -0.00080 |
Proper Motion in Dec (J2000) | -0.016166 |
Radial Velocity | +000.6km s-1 |
Trigonometric Parallax | +0.00782s |
Trigonometric Parallax Uncertainty | 0.00089s |
GCI Unit Vector in X (J2000) | 0.595499 |
GCI Unit Vector in Y (J2000) | 0.778936 |
GCI Unit Vector in Z (J2000) | 0.196570 |
Galactic Longitude | 173.33° |
Galactic Latitude
| -35.55°
|
Observational Data |
Observed Visual Magnitude (V) | 5.13 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.002 |
Observed B Magnitude | 5.10 |
Observed B-V Colour | -0.031 |
Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.002 |
Observed U Magnitude | |
Observed U-B Colour | |
Observed U Magnitude or (U-B) Magnitude Uncertainty | |
Observed Photovisual Magnitude | 5.1 |
Observed Photographic Magnitude | 5.3 |
Morgan Keenan (MK) Spectral Type | A0Vn |
One-Dimensional Spectral Class | A0 |
Position Angle | |
Year of Observation | AD |