| Identification Data |
| Common Name | |
| Constellation | Orion |
| Star Name | 57 Ori |
| Skymap Number | 5540193 |
| Henry Draper (HD) Number | 39698 |
| Harvard Revised (HR) Number | 2052 |
| SAO Number | 94986 |
| Durchmusterung (DM) Number | BD+19 1126 |
Washington Double Stars (WDS) Number
|
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 121581 |
| Right Ascension (RA) J2000 | 5h 54m 56.686s |
| Declination (Dec) J2000 | +19° 44' 58.611" |
| Position Uncertainty | 0.0078s |
| Proper Motion in RA (J2000)/cos(Dec) | +0.00003 |
| Proper Motion in Dec (J2000) | -0.004166 |
| Radial Velocity | +007.2km s-1 |
| Trigonometric Parallax | +0.00232s |
| Trigonometric Parallax Uncertainty | 0.00084s |
| GCI Unit Vector in X (J2000) | 0.020758 |
| GCI Unit Vector in Y (J2000) | 0.940949 |
| GCI Unit Vector in Z (J2000) | 0.337910 |
| Galactic Longitude | 188.98° |
Galactic Latitude
| -2.88°
|
| Observational Data |
| Observed Visual Magnitude (V) | 5.91 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.004 |
| Observed B Magnitude | 5.76 |
| Observed B-V Colour | -0.148 |
| 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 | 5.9 |
| Observed Photographic Magnitude | 5.6 |
| Morgan Keenan (MK) Spectral Type | B2V |
| One-Dimensional Spectral Class | B2 |
| Position Angle | |
| Year of Observation | AD |
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