Identification Data |
Common Name | Hadar |
Constellation | Centaurus |
Star Name | bet Cen |
Skymap Number | 14030110 |
Henry Draper (HD) Number | 122451 |
Harvard Revised (HR) Number | 5267 |
SAO Number | 252582 |
Durchmusterung (DM) Number | CP-59 5365 |
Washington Double Stars (WDS) Number
| 14038-6022
|
Positional Data |
Position and Proper Motion (PPM) Number | 360515 |
Right Ascension (RA) J2000 | 14h 3m 49.404s |
Declination (Dec) J2000 | -60° 22' 22.942" |
Position Uncertainty | 0.0060s |
Proper Motion in RA (J2000)/cos(Dec) | -0.00458 |
Proper Motion in Dec (J2000) | -0.025167 |
Radial Velocity | +005.9km s-1 |
Trigonometric Parallax | +0.00621s |
Trigonometric Parallax Uncertainty | 0.00056s |
GCI Unit Vector in X (J2000) | -0.423938 |
GCI Unit Vector in Y (J2000) | -0.254283 |
GCI Unit Vector in Z (J2000) | -0.869262 |
Galactic Longitude | 311.77° |
Galactic Latitude
| 1.25°
|
Observational Data |
Observed Visual Magnitude (V) | 0.64 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.013 |
Observed B Magnitude | 0.49 |
Observed B-V Colour | -0.153 |
Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.017 |
Observed U Magnitude | |
Observed U-B Colour | |
Observed U Magnitude or (U-B) Magnitude Uncertainty | |
Observed Photovisual Magnitude | .9 |
Observed Photographic Magnitude | .6 |
Morgan Keenan (MK) Spectral Type | B1III |
One-Dimensional Spectral Class | B1 |
Position Angle | 251 |
Year of Observation | 1960. AD |