Identification Data |
Common Name | |
Constellation | Ursa Major |
Star Name | 17 UMa |
Skymap Number | 9150141 |
Henry Draper (HD) Number | 79354 |
Harvard Revised (HR) Number | 3660 |
SAO Number | 27185 |
Durchmusterung (DM) Number | BD+57 1211 |
Washington Double Stars (WDS) Number
|
|
Positional Data |
Position and Proper Motion (PPM) Number | 32072 |
Right Ascension (RA) J2000 | 9h 15m 49.782s |
Declination (Dec) J2000 | +56° 44' 29.064" |
Position Uncertainty | 0.0065s |
Proper Motion in RA (J2000)/cos(Dec) | -0.00302 |
Proper Motion in Dec (J2000) | -0.029266 |
Radial Velocity | -030.4km s-1 |
Trigonometric Parallax | +0.00479s |
Trigonometric Parallax Uncertainty | 0.00068s |
GCI Unit Vector in X (J2000) | -0.413629 |
GCI Unit Vector in Y (J2000) | 0.360102 |
GCI Unit Vector in Z (J2000) | 0.836204 |
Galactic Longitude | 159.52° |
Galactic Latitude
| 41.98°
|
Observational Data |
Observed Visual Magnitude (V) | 5.28 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.003 |
Observed B Magnitude | 6.85 |
Observed B-V Colour | +1.572 |
Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.006 |
Observed U Magnitude | |
Observed U-B Colour | |
Observed U Magnitude or (U-B) Magnitude Uncertainty | |
Observed Photovisual Magnitude | 5.5 |
Observed Photographic Magnitude | 6.7 |
Morgan Keenan (MK) Spectral Type | K4III |
One-Dimensional Spectral Class | K5 |
Position Angle | |
Year of Observation | AD |