| Identification Data |
| Common Name | |
| Constellation | Orion |
| Star Name | 25psi1Ori |
| Skymap Number | 5240129 |
| Henry Draper (HD) Number | 35439 |
| Harvard Revised (HR) Number | 1789 |
| SAO Number | 112734 |
| Durchmusterung (DM) Number | BD+01 1005 |
Washington Double Stars (WDS) Number
|
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 148907 |
| Right Ascension (RA) J2000 | 5h 24m 44.826s |
| Declination (Dec) J2000 | +1° 50' 47.201" |
| Position Uncertainty | 0.0078s |
| Proper Motion in RA (J2000)/cos(Dec) | +0.00001 |
| Proper Motion in Dec (J2000) | -0.000666 |
| Radial Velocity | +009.km s-1 |
| Trigonometric Parallax | +0.00294s |
| Trigonometric Parallax Uncertainty | 0.00087s |
| GCI Unit Vector in X (J2000) | 0.153134 |
| GCI Unit Vector in Y (J2000) | 0.987680 |
| GCI Unit Vector in Z (J2000) | 0.032221 |
| Galactic Longitude | 200.96° |
Galactic Latitude
| -18.29°
|
| Observational Data |
| Observed Visual Magnitude (V) | 4.89 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.004 |
| Observed B Magnitude | 4.71 |
| Observed B-V Colour | -0.179 |
| 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 | 4.7 |
| Observed Photographic Magnitude | 4.5 |
| Morgan Keenan (MK) Spectral Type | B1Vpe |
| One-Dimensional Spectral Class | B3 |
| Position Angle | 216 |
| Year of Observation | AD |
