Astronomy
Constellations - Ursa Major - 47 UMa

 
Identification Data
Common Name
ConstellationUrsa Major
Star Name47 UMa
Skymap Number10590097
Henry Draper (HD) Number95128
Harvard Revised (HR) Number4277
SAO Number43557
Durchmusterung (DM) NumberBD+41 2147
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number52175
Right Ascension (RA) J200010h 59m 27.973s
Declination (Dec) J2000+40° 25' 48.925"
Position Uncertainty0.0070s
Proper Motion in RA (J2000)/cos(Dec)-0.02767
Proper Motion in Dec (J2000)+0.055266
Radial Velocity+012.6km s-1
Trigonometric Parallax+0.07104s
Trigonometric Parallax Uncertainty0.00066s
GCI Unit Vector in X (J2000)-0.734798
GCI Unit Vector in Y (J2000)0.198724
GCI Unit Vector in Z (J2000)0.648522
Galactic Longitude175.78°
Galactic Latitude
63.37°
Observational Data
Observed Visual Magnitude (V)5.03
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.003
Observed B Magnitude5.65
Observed B-V Colour+0.620
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 Magnitude5.1
Observed Photographic Magnitude
Morgan Keenan (MK) Spectral TypeG1-VFe-0.5
One-Dimensional Spectral ClassG0
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