Identification Data |
Common Name | |
Constellation | Taurus |
Star Name | 101 Tau |
Skymap Number | 4590100 |
Henry Draper (HD) Number | 31845 |
Harvard Revised (HR) Number | |
SAO Number | 94248 |
Durchmusterung (DM) Number | BD+15 713 |
Washington Double Stars (WDS) Number
| 04597+1555
|
Positional Data |
Position and Proper Motion (PPM) Number | 120477 |
Right Ascension (RA) J2000 | 4h 59m 44.323s |
Declination (Dec) J2000 | +15° 55' 0.243" |
Position Uncertainty | 0.0079s |
Proper Motion in RA (J2000)/cos(Dec) | +0.00605 |
Proper Motion in Dec (J2000) | -0.029266 |
Radial Velocity | +044.1km s-1 |
Trigonometric Parallax | +0.02309s |
Trigonometric Parallax Uncertainty | 0.00083s |
GCI Unit Vector in X (J2000) | 0.249955 |
GCI Unit Vector in Y (J2000) | 0.928609 |
GCI Unit Vector in Z (J2000) | 0.274240 |
Galactic Longitude | 185.06° |
Galactic Latitude
| -16.01°
|
Observational Data |
Observed Visual Magnitude (V) | 6.75 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.005 |
Observed B Magnitude | 7.21 |
Observed B-V Colour | +0.463 |
Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.007 |
Observed U Magnitude | |
Observed U-B Colour | |
Observed U Magnitude or (U-B) Magnitude Uncertainty | |
Observed Photovisual Magnitude | 6.7 |
Observed Photographic Magnitude | 6.9 |
Morgan Keenan (MK) Spectral Type | F5V |
One-Dimensional Spectral Class | F5 |
Position Angle | 146 |
Year of Observation | 1910. AD |