| Identification Data |
| Common Name | |
| Constellation | Ursa Major |
| Star Name | 18 UMa |
| Skymap Number | 9160035 |
| Henry Draper (HD) Number | 79439 |
| Harvard Revised (HR) Number | 3662 |
| SAO Number | 27191 |
| Durchmusterung (DM) Number | BD+54 1285 |
Washington Double Stars (WDS) Number
|
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 32078 |
| Right Ascension (RA) J2000 | 9h 16m 11.327s |
| Declination (Dec) J2000 | +54° 1' 18.687" |
| Position Uncertainty | 0.0098s |
| Proper Motion in RA (J2000)/cos(Dec) | +0.00558 |
| Proper Motion in Dec (J2000) | +0.059866 |
| Radial Velocity | -018.7km s-1 |
| Trigonometric Parallax | +0.02755s |
| Trigonometric Parallax Uncertainty | 0.00080s |
| GCI Unit Vector in X (J2000) | -0.443692 |
| GCI Unit Vector in Y (J2000) | 0.385054 |
| GCI Unit Vector in Z (J2000) | 0.809241 |
| Galactic Longitude | 163.09° |
Galactic Latitude
| 42.66°
|
| Observational Data |
| Observed Visual Magnitude (V) | 4.82 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.003 |
| Observed B Magnitude | 5.02 |
| Observed B-V Colour | +0.204 |
| Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.003 |
| Observed U Magnitude | |
| Observed U-B Colour | |
| Observed U Magnitude or (U-B) Magnitude Uncertainty | |
| Observed Photovisual Magnitude | 4.9 |
| Observed Photographic Magnitude | |
| Morgan Keenan (MK) Spectral Type | A5V |
| One-Dimensional Spectral Class | A5 |
| Position Angle | |
| Year of Observation | AD |
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