Astronomy
Constellations - Ursa Major - 56 UMa

 
Identification Data
Common Name
ConstellationUrsa Major
Star Name56 UMa
Skymap Number11220125
Henry Draper (HD) Number98839
Harvard Revised (HR) Number4392
SAO Number43719
Durchmusterung (DM) NumberBD+44 2083
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number52395
Right Ascension (RA) J200011h 22m 49.584s
Declination (Dec) J2000+43° 28' 57.731"
Position Uncertainty0.0062s
Proper Motion in RA (J2000)/cos(Dec)-0.00339
Proper Motion in Dec (J2000)-0.013966
Radial Velocity+002.9km s-1
Trigonometric Parallax+0.00663s
Trigonometric Parallax Uncertainty0.00063s
GCI Unit Vector in X (J2000)-0.716058
GCI Unit Vector in Y (J2000)0.117174
GCI Unit Vector in Z (J2000)0.688136
Galactic Longitude164.73°
Galactic Latitude
65.77°
Observational Data
Observed Visual Magnitude (V)4.99
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.004
Observed B Magnitude5.98
Observed B-V Colour+0.990
Observed B Magnitude or (B-V) Magnitude Uncertainty0.004
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude5.1
Observed Photographic Magnitude
Morgan Keenan (MK) Spectral TypeG8II-III
One-Dimensional Spectral ClassG5
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