| Identification Data |
| Common Name | |
| Constellation | Orion |
| Star Name | 31 Ori |
| Skymap Number | 5290137 |
| Henry Draper (HD) Number | 36167 |
| Harvard Revised (HR) Number | 1834 |
| SAO Number | 132176 |
| Durchmusterung (DM) Number | BD-01 913 |
Washington Double Stars (WDS) Number
| 05297-0106
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 175866 |
| Right Ascension (RA) J2000 | 5h 29m 43.981s |
| Declination (Dec) J2000 | -1° 5' 32.060" |
| Position Uncertainty | 0.0077s |
| Proper Motion in RA (J2000)/cos(Dec) | +0.00001 |
| Proper Motion in Dec (J2000) | -0.026166 |
| Radial Velocity | +007.5km s-1 |
| Trigonometric Parallax | +0.00715s |
| Trigonometric Parallax Uncertainty | 0.00080s |
| GCI Unit Vector in X (J2000) | 0.131657 |
| GCI Unit Vector in Y (J2000) | 0.991112 |
| GCI Unit Vector in Z (J2000) | -0.019062 |
| Galactic Longitude | 204.31° |
Galactic Latitude
| -18.62°
|
| Observational Data |
| Observed Visual Magnitude (V) | 4.70 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.003 |
| Observed B Magnitude | 6.27 |
| Observed B-V Colour | +1.570 |
| Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.006 |
| Observed U Magnitude | |
| Observed U-B Colour | |
| Observed U Magnitude or (U-B) Magnitude Uncertainty | |
| Observed Photovisual Magnitude | 5.0 |
| Observed Photographic Magnitude | 6.9 |
| Morgan Keenan (MK) Spectral Type | K5III |
| One-Dimensional Spectral Class | K5 |
| Position Angle | 87 |
| Year of Observation | 1962. AD |
Printer Version