Identification Data |
Common Name | |
Constellation | Ursa Minor |
Star Name | 4 UMi |
Skymap Number | 14080126 |
Henry Draper (HD) Number | 124547 |
Harvard Revised (HR) Number | 5321 |
SAO Number | 7958 |
Durchmusterung (DM) Number | BD+78 478 |
Washington Double Stars (WDS) Number
|
|
Positional Data |
Position and Proper Motion (PPM) Number | 8579 |
Right Ascension (RA) J2000 | 14h 8m 50.926s |
Declination (Dec) J2000 | +77° 32' 51.051" |
Position Uncertainty | 0.0059s |
Proper Motion in RA (J2000)/cos(Dec) | -0.00939 |
Proper Motion in Dec (J2000) | +0.033466 |
Radial Velocity | +010.5km s-1 |
Trigonometric Parallax | +0.00652s |
Trigonometric Parallax Uncertainty | 0.00049s |
GCI Unit Vector in X (J2000) | -0.182440 |
GCI Unit Vector in Y (J2000) | -0.114943 |
GCI Unit Vector in Z (J2000) | 0.976475 |
Galactic Longitude | 117.67° |
Galactic Latitude
| 38.78°
|
Observational Data |
Observed Visual Magnitude (V) | 4.80 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.002 |
Observed B Magnitude | 6.17 |
Observed B-V Colour | +1.370 |
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 | 5.0 |
Observed Photographic Magnitude | |
Morgan Keenan (MK) Spectral Type | K3-IIIbFe-0.5 |
One-Dimensional Spectral Class | K0 |
Position Angle | 179 |
Year of Observation | 1984. AD |