Identification Data |
Common Name | |
Constellation | Ursa Minor |
Star Name | 20 UMi |
Skymap Number | 16120089 |
Henry Draper (HD) Number | 147142 |
Harvard Revised (HR) Number | 6082 |
SAO Number | 8452 |
Durchmusterung (DM) Number | BD+75 586 |
Washington Double Stars (WDS) Number
|
|
Positional Data |
Position and Proper Motion (PPM) Number | 9132 |
Right Ascension (RA) J2000 | 16h 12m 32.097s |
Declination (Dec) J2000 | +75° 12' 38.453" |
Position Uncertainty | 0.0060s |
Proper Motion in RA (J2000)/cos(Dec) | -0.01136 |
Proper Motion in Dec (J2000) | +0.035766 |
Radial Velocity | -025.8km s-1 |
Trigonometric Parallax | +0.00426s |
Trigonometric Parallax Uncertainty | 0.00048s |
GCI Unit Vector in X (J2000) | -0.115357 |
GCI Unit Vector in Y (J2000) | -0.227713 |
GCI Unit Vector in Z (J2000) | 0.966871 |
Galactic Longitude | 108.91° |
Galactic Latitude
| 35.88°
|
Observational Data |
Observed Visual Magnitude (V) | 6.35 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.006 |
Observed B Magnitude | 7.63 |
Observed B-V Colour | +1.282 |
Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.009 |
Observed U Magnitude | |
Observed U-B Colour | |
Observed U Magnitude or (U-B) Magnitude Uncertainty | |
Observed Photovisual Magnitude | 6.5 |
Observed Photographic Magnitude | 7.6 |
Morgan Keenan (MK) Spectral Type | K2IV |
One-Dimensional Spectral Class | K2 |
Position Angle | |
Year of Observation | AD |