Identification Data |
Common Name | |
Constellation | Taurus |
Star Name | 97 Tau |
Skymap Number | 4510077 |
Henry Draper (HD) Number | 30780 |
Harvard Revised (HR) Number | 1547 |
SAO Number | 94164 |
Durchmusterung (DM) Number | BD+18 743 |
Washington Double Stars (WDS) Number
| 04514+1850
|
Positional Data |
Position and Proper Motion (PPM) Number | 120330 |
Right Ascension (RA) J2000 | 4h 51m 22.462s |
Declination (Dec) J2000 | +18° 50' 23.500" |
Position Uncertainty | 0.0105s |
Proper Motion in RA (J2000)/cos(Dec) | +0.00561 |
Proper Motion in Dec (J2000) | -0.032866 |
Radial Velocity | +036.8km s-1 |
Trigonometric Parallax | +0.01727s |
Trigonometric Parallax Uncertainty | 0.00082s |
GCI Unit Vector in X (J2000) | 0.279177 |
GCI Unit Vector in Y (J2000) | 0.904312 |
GCI Unit Vector in Z (J2000) | 0.322924 |
Galactic Longitude | 181.38° |
Galactic Latitude
| -15.91°
|
Observational Data |
Observed Visual Magnitude (V) | 5.09 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.003 |
Observed B Magnitude | 5.31 |
Observed B-V Colour | +0.220 |
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 | 5.1 |
Observed Photographic Magnitude | |
Morgan Keenan (MK) Spectral Type | A7IV-V |
One-Dimensional Spectral Class | F0 |
Position Angle | 303 |
Year of Observation | 1922. AD |