Identification Data |
Common Name | |
Constellation | Orion |
Star Name | 9omi2Ori |
Skymap Number | 4560065 |
Henry Draper (HD) Number | 31421 |
Harvard Revised (HR) Number | 1580 |
SAO Number | 94218 |
Durchmusterung (DM) Number | BD+13 740 |
Washington Double Stars (WDS) Number
| 04564+1331
|
Positional Data |
Position and Proper Motion (PPM) Number | 120410 |
Right Ascension (RA) J2000 | 4h 56m 22.274s |
Declination (Dec) J2000 | +13° 30' 52.077" |
Position Uncertainty | 0.0165s |
Proper Motion in RA (J2000)/cos(Dec) | -0.00533 |
Proper Motion in Dec (J2000) | -0.046066 |
Radial Velocity | +000.8km s-1 |
Trigonometric Parallax | +0.01926s |
Trigonometric Parallax Uncertainty | 0.00105s |
GCI Unit Vector in X (J2000) | 0.266491 |
GCI Unit Vector in Y (J2000) | 0.935078 |
GCI Unit Vector in Z (J2000) | 0.233691 |
Galactic Longitude | 186.63° |
Galactic Latitude
| -18.05°
|
Observational Data |
Observed Visual Magnitude (V) | 4.08 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.003 |
Observed B Magnitude | 5.24 |
Observed B-V Colour | +1.163 |
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 | 4.3 |
Observed Photographic Magnitude | 5.5 |
Morgan Keenan (MK) Spectral Type | K2-IIIFe-1 |
One-Dimensional Spectral Class | K0 |
Position Angle | 51 |
Year of Observation | 1962. AD |