Identification Data |
Common Name | |
Constellation | Ursa Minor |
Star Name | 22eps UMi |
Skymap Number | 16460006 |
Henry Draper (HD) Number | 153751 |
Harvard Revised (HR) Number | 6322 |
SAO Number | 2770 |
Durchmusterung (DM) Number | BD+82 498 |
Washington Double Stars (WDS) Number
| 16460+8202
|
Positional Data |
Position and Proper Motion (PPM) Number | 2925 |
Right Ascension (RA) J2000 | 16h 45m 58.243s |
Declination (Dec) J2000 | +82° 2' 14.143" |
Position Uncertainty | 0.0103s |
Proper Motion in RA (J2000)/cos(Dec) | +0.00940 |
Proper Motion in Dec (J2000) | +0.004766 |
Radial Velocity | -011.4km s-1 |
Trigonometric Parallax | +0.00941s |
Trigonometric Parallax Uncertainty | 0.00067s |
GCI Unit Vector in X (J2000) | -0.043973 |
GCI Unit Vector in Y (J2000) | -0.131365 |
GCI Unit Vector in Z (J2000) | 0.990358 |
Galactic Longitude | 115.00° |
Galactic Latitude
| 31.05°
|
Observational Data |
Observed Visual Magnitude (V) | 4.22 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.003 |
Observed B Magnitude | 5.11 |
Observed B-V Colour | +0.890 |
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 | 4.4 |
Observed Photographic Magnitude | |
Morgan Keenan (MK) Spectral Type | G5III |
One-Dimensional Spectral Class | G5 |
Position Angle | 3 |
Year of Observation | 1959. AD |