Astronomy
Constellations - Ursa Major - 22 UMa

 
Identification Data
Common Name
ConstellationUrsa Major
Star Name22 UMa
Skymap Number9340157
Henry Draper (HD) Number82189
Harvard Revised (HR) Number3768
SAO Number6898
Durchmusterung (DM) NumberBD+72 462
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number7428
Right Ascension (RA) J20009h 34m 53.526s
Declination (Dec) J2000+72° 12' 20.445"
Position Uncertainty0.0059s
Proper Motion in RA (J2000)/cos(Dec)+0.01571
Proper Motion in Dec (J2000)-0.076166
Radial Velocity-038.2km s-1
Trigonometric Parallax+0.02006s
Trigonometric Parallax Uncertainty0.00057s
GCI Unit Vector in X (J2000)-0.246365
GCI Unit Vector in Y (J2000)0.180821
GCI Unit Vector in Z (J2000)0.952160
Galactic Longitude139.93°
Galactic Latitude
37.74°
Observational Data
Observed Visual Magnitude (V)5.77
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.003
Observed B Magnitude6.29
Observed B-V Colour+0.519
Observed B Magnitude or (B-V) Magnitude Uncertainty0.003
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude5.8
Observed Photographic Magnitude6.2
Morgan Keenan (MK) Spectral TypeF7V
One-Dimensional Spectral ClassF5
Position Angle
Year of Observation AD

Data Source
SKY2000 - Master Star Catalog - Star Catalog Database, Version 2
    Sande C.B., Warren Jr. W.H., Tracewell D.A., Home A.T., Miller A.C.
    (Goddard Space Flight Center, Flight Dynamics Division (1998))

 
Page compiled: Sun Sep 02 13:15:52 GMT+01:00 2001