| Identification Data |
| Common Name | |
| Constellation | Ursa Major |
| Star Name | 39 UMa |
| Skymap Number | 10430139 |
| Henry Draper (HD) Number | 92728 |
| Harvard Revised (HR) Number | 4187 |
| SAO Number | 27748 |
| Durchmusterung (DM) Number | BD+57 1286 |
Washington Double Stars (WDS) Number
|
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 32767 |
| Right Ascension (RA) J2000 | 10h 43m 43.335s |
| Declination (Dec) J2000 | +57° 11' 57.131" |
| Position Uncertainty | 0.0059s |
| Proper Motion in RA (J2000)/cos(Dec) | +0.00214 |
| Proper Motion in Dec (J2000) | -0.051766 |
| Radial Velocity | -015.0km s-1 |
| Trigonometric Parallax | +0.00887s |
| Trigonometric Parallax Uncertainty | 0.00061s |
| GCI Unit Vector in X (J2000) | -0.511992 |
| GCI Unit Vector in Y (J2000) | 0.176987 |
| GCI Unit Vector in Z (J2000) | 0.840559 |
| Galactic Longitude | 150.95° |
Galactic Latitude
| 52.42°
|
| Observational Data |
| Observed Visual Magnitude (V) | 5.79 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.002 |
| Observed B Magnitude | 5.75 |
| Observed B-V Colour | -0.040 |
| Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.002 |
| Observed U Magnitude | |
| Observed U-B Colour | |
| Observed U Magnitude or (U-B) Magnitude Uncertainty | |
| Observed Photovisual Magnitude | 5.8 |
| Observed Photographic Magnitude | 5.8 |
| Morgan Keenan (MK) Spectral Type | A0Vs |
| One-Dimensional Spectral Class | B9 |
| Position Angle | |
| Year of Observation | AD |
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