Astronomy
Constellations - Ursa Major - 68 UMa

 
Identification Data
Common Name
ConstellationUrsa Major
Star Name68 UMa
Skymap Number12110112
Henry Draper (HD) Number106002
Harvard Revised (HR) Number4641
SAO Number28291
Durchmusterung (DM) NumberBD+57 1359
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number33432
Right Ascension (RA) J200012h 11m 44.905s
Declination (Dec) J2000+57° 3' 15.870"
Position Uncertainty0.0072s
Proper Motion in RA (J2000)/cos(Dec)+0.00122
Proper Motion in Dec (J2000)-0.015066
Radial Velocity+034.8km s-1
Trigonometric Parallax+0.00336s
Trigonometric Parallax Uncertainty0.00064s
GCI Unit Vector in X (J2000)-0.543128
GCI Unit Vector in Y (J2000)-0.027866
GCI Unit Vector in Z (J2000)0.839187
Galactic Longitude133.49°
Galactic Latitude
59.25°
Observational Data
Observed Visual Magnitude (V)6.33
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.004
Observed B Magnitude7.84
Observed B-V Colour+1.505
Observed B Magnitude or (B-V) Magnitude Uncertainty0.008
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude6.5
Observed Photographic Magnitude7.8
Morgan Keenan (MK) Spectral TypegK5
One-Dimensional Spectral ClassK5
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