| Identification Data |
| Common Name | |
| Constellation | Ursa Major |
| Star Name | 55 UMa |
| Skymap Number | 11190023 |
| Henry Draper (HD) Number | 98353 |
| Harvard Revised (HR) Number | 4380 |
| SAO Number | 62491 |
| Durchmusterung (DM) Number | BD+38 2225 |
Washington Double Stars (WDS) Number
|
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 75796 |
| Right Ascension (RA) J2000 | 11h 19m 7.901s |
| Declination (Dec) J2000 | +38° 11' 8.004" |
| Position Uncertainty | 0.0108s |
| Proper Motion in RA (J2000)/cos(Dec) | -0.00485 |
| Proper Motion in Dec (J2000) | -0.068166 |
| Radial Velocity | -003.0km s-1 |
| Trigonometric Parallax | +0.01782s |
| Trigonometric Parallax Uncertainty | 0.00075s |
| GCI Unit Vector in X (J2000) | -0.773549 |
| GCI Unit Vector in Y (J2000) | 0.139421 |
| GCI Unit Vector in Z (J2000) | 0.618210 |
| Galactic Longitude | 177.35° |
Galactic Latitude
| 67.74°
|
| Observational Data |
| Observed Visual Magnitude (V) | 4.76 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.003 |
| Observed B Magnitude | 4.87 |
| Observed B-V Colour | +0.114 |
| 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 | 4.8 |
| Observed Photographic Magnitude | |
| Morgan Keenan (MK) Spectral Type | A1Vp: |
| One-Dimensional Spectral Class | A2 |
| Position Angle | |
| Year of Observation | 1993. AD |
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