Identification Data |
Common Name | Kocab |
Constellation | Ursa Minor |
Star Name | 7bet UMi |
Skymap Number | 14500117 |
Henry Draper (HD) Number | 131873 |
Harvard Revised (HR) Number | 5563 |
SAO Number | 8102 |
Durchmusterung (DM) Number | BD+74 595 |
Washington Double Stars (WDS) Number
| 14507+7409
|
Positional Data |
Position and Proper Motion (PPM) Number | 8758 |
Right Ascension (RA) J2000 | 14h 50m 42.326s |
Declination (Dec) J2000 | +74° 9' 19.818" |
Position Uncertainty | 0.0064s |
Proper Motion in RA (J2000)/cos(Dec) | -0.00788 |
Proper Motion in Dec (J2000) | +0.011966 |
Radial Velocity | +017.0km s-1 |
Trigonometric Parallax | +0.02579s |
Trigonometric Parallax Uncertainty | 0.00052s |
GCI Unit Vector in X (J2000) | -0.200728 |
GCI Unit Vector in Y (J2000) | -0.185073 |
GCI Unit Vector in Z (J2000) | 0.962006 |
Galactic Longitude | 112.65° |
Galactic Latitude
| 40.50°
|
Observational Data |
Observed Visual Magnitude (V) | 2.06 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.003 |
Observed B Magnitude | 3.54 |
Observed B-V Colour | +1.480 |
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 | 2.2 |
Observed Photographic Magnitude | |
Morgan Keenan (MK) Spectral Type | K4-III |
One-Dimensional Spectral Class | K5 |
Position Angle | 342 |
Year of Observation | 1908. AD |