Identification Data |
Common Name | |
Constellation | Orion |
Star Name | 23 Ori |
Skymap Number | 5220149 |
Henry Draper (HD) Number | 35149 |
Harvard Revised (HR) Number | 1770 |
SAO Number | 112697 |
Durchmusterung (DM) Number | BD+03 871 |
Washington Double Stars (WDS) Number
| 05228+0333
|
Positional Data |
Position and Proper Motion (PPM) Number | 148857 |
Right Ascension (RA) J2000 | 5h 22m 50.000s |
Declination (Dec) J2000 | +3° 32' 40.029" |
Position Uncertainty | 0.0097s |
Proper Motion in RA (J2000)/cos(Dec) | -0.00013 |
Proper Motion in Dec (J2000) | +0.001866 |
Radial Velocity | +018.0km s-1 |
Trigonometric Parallax | +0.00339s |
Trigonometric Parallax Uncertainty | 0.00087s |
GCI Unit Vector in X (J2000) | 0.161151 |
GCI Unit Vector in Y (J2000) | 0.984991 |
GCI Unit Vector in Z (J2000) | 0.061823 |
Galactic Longitude | 199.16° |
Galactic Latitude
| -17.86°
|
Observational Data |
Observed Visual Magnitude (V) | 4.98 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.003 |
Observed B Magnitude | 4.82 |
Observed B-V Colour | -0.157 |
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 | 5.0 |
Observed Photographic Magnitude | 4.6 |
Morgan Keenan (MK) Spectral Type | B1V |
One-Dimensional Spectral Class | B3 |
Position Angle | 29 |
Year of Observation | 1973. AD |