| Identification Data |
| Common Name | Tania Borealis |
| Constellation | Ursa Major |
| Star Name | 33lam UMa |
| Skymap Number | 10170016 |
| Henry Draper (HD) Number | 89021 |
| Harvard Revised (HR) Number | 4033 |
| SAO Number | 43268 |
| Durchmusterung (DM) Number | BD+43 2005 |
Washington Double Stars (WDS) Number
|
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 51795 |
| Right Ascension (RA) J2000 | 10h 17m 5.791s |
| Declination (Dec) J2000 | +42° 54' 51.714" |
| Position Uncertainty | 0.0115s |
| Proper Motion in RA (J2000)/cos(Dec) | -0.01549 |
| Proper Motion in Dec (J2000) | -0.042666 |
| Radial Velocity | +018.1km s-1 |
| Trigonometric Parallax | +0.02427s |
| Trigonometric Parallax Uncertainty | 0.00079s |
| GCI Unit Vector in X (J2000) | -0.659780 |
| GCI Unit Vector in Y (J2000) | 0.317898 |
| GCI Unit Vector in Z (J2000) | 0.680905 |
| Galactic Longitude | 175.87° |
Galactic Latitude
| 55.09°
|
| Observational Data |
| Observed Visual Magnitude (V) | 3.44 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.003 |
| Observed B Magnitude | 3.49 |
| Observed B-V Colour | +0.045 |
| 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 | 3.5 |
| Observed Photographic Magnitude | |
| Morgan Keenan (MK) Spectral Type | A2IV |
| One-Dimensional Spectral Class | A2 |
| Position Angle | |
| Year of Observation | AD |
