| Identification Data |
| Common Name | |
| Constellation | Leo |
| Star Name | 54 Leo |
| Skymap Number | 10550156 |
| Henry Draper (HD) Number | 94601 |
| Harvard Revised (HR) Number | 4259 |
| SAO Number | 81583 |
| Durchmusterung (DM) Number | BD+25 2314 |
Washington Double Stars (WDS) Number
| 10556+2445
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 400158 |
| Right Ascension (RA) J2000 | 10h 55m 36.797s |
| Declination (Dec) J2000 | +24° 44' 58.986" |
| Position Uncertainty | 0.0087s |
| Proper Motion in RA (J2000)/cos(Dec) | -0.00576 |
| Proper Motion in Dec (J2000) | -0.014967 |
| Radial Velocity | +005.km s-1 |
| Trigonometric Parallax | +0.01129s |
| Trigonometric Parallax Uncertainty | 0.00078s |
| GCI Unit Vector in X (J2000) | -0.872542 |
| GCI Unit Vector in Y (J2000) | 0.251791 |
| GCI Unit Vector in Z (J2000) | 0.418655 |
| Galactic Longitude | 211.61° |
Galactic Latitude
| 63.91°
|
| Observational Data |
| Observed Visual Magnitude (V) | 4.47 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.003 |
| Observed B Magnitude | 4.48 |
| Observed B-V Colour | +0.008 |
| 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 | 4.5 |
| Observed Photographic Magnitude | 4.5 |
| Morgan Keenan (MK) Spectral Type | A1V |
| One-Dimensional Spectral Class | A0 |
| Position Angle | 110 |
| Year of Observation | 1987. AD |
