| Identification Data |
| Common Name | |
| Constellation | Leo |
| Star Name | 55 Leo |
| Skymap Number | 10550092 |
| Henry Draper (HD) Number | 94672 |
| Harvard Revised (HR) Number | 4265 |
| SAO Number | 118574 |
| Durchmusterung (DM) Number | BD+01 2501 |
Washington Double Stars (WDS) Number
| 10557+0044
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 157341 |
| Right Ascension (RA) J2000 | 10h 55m 42.397s |
| Declination (Dec) J2000 | +0° 44' 12.921" |
| Position Uncertainty | 0.0136s |
| Proper Motion in RA (J2000)/cos(Dec) | +0.00687 |
| Proper Motion in Dec (J2000) | -0.003467 |
| Radial Velocity | +007.4km s-1 |
| Trigonometric Parallax | +0.02285s |
| Trigonometric Parallax Uncertainty | 0.00113s |
| GCI Unit Vector in X (J2000) | -0.960829 |
| GCI Unit Vector in Y (J2000) | 0.276845 |
| GCI Unit Vector in Z (J2000) | 0.012861 |
| Galactic Longitude | 251.65° |
Galactic Latitude
| 51.69°
|
| Observational Data |
| Observed Visual Magnitude (V) | 5.92 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.004 |
| Observed B Magnitude | 6.35 |
| Observed B-V Colour | +0.426 |
| Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.005 |
| Observed U Magnitude | |
| Observed U-B Colour | |
| Observed U Magnitude or (U-B) Magnitude Uncertainty | |
| Observed Photovisual Magnitude | 6.1 |
| Observed Photographic Magnitude | 6.2 |
| Morgan Keenan (MK) Spectral Type | F2/3III/V |
| One-Dimensional Spectral Class | F2 |
| Position Angle | 64 |
| Year of Observation | 1990. AD |
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