Identification Data |
Common Name | |
Constellation | Orion |
Star Name | 22 Ori |
Skymap Number | 5210126 |
Henry Draper (HD) Number | 35039 |
Harvard Revised (HR) Number | 1765 |
SAO Number | 132028 |
Durchmusterung (DM) Number | BD-00 930 |
Washington Double Stars (WDS) Number
|
|
Positional Data |
Position and Proper Motion (PPM) Number | 175807 |
Right Ascension (RA) J2000 | 5h 21m 45.747s |
Declination (Dec) J2000 | -0° 22' 56.875" |
Position Uncertainty | 0.0067s |
Proper Motion in RA (J2000)/cos(Dec) | +0.00003 |
Proper Motion in Dec (J2000) | +0.001766 |
Radial Velocity | +027.9km s-1 |
Trigonometric Parallax | +0.00253s |
Trigonometric Parallax Uncertainty | 0.00074s |
GCI Unit Vector in X (J2000) | 0.166066 |
GCI Unit Vector in Y (J2000) | 0.986092 |
GCI Unit Vector in Z (J2000) | -0.006675 |
Galactic Longitude | 202.64° |
Galactic Latitude
| -20.03°
|
Observational Data |
Observed Visual Magnitude (V) | 4.72 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.002 |
Observed B Magnitude | 4.56 |
Observed B-V Colour | -0.164 |
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 | 4.7 |
Observed Photographic Magnitude | |
Morgan Keenan (MK) Spectral Type | B2IV-V |
One-Dimensional Spectral Class | B3 |
Position Angle | |
Year of Observation | AD |