Astronomy
Constellations - Ursa Major - 46 UMa

 
Identification Data
Common Name
ConstellationUrsa Major
Star Name46 UMa
Skymap Number10550098
Henry Draper (HD) Number94600
Harvard Revised (HR) Number4258
SAO Number62314
Durchmusterung (DM) NumberBD+34 2181
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number75557
Right Ascension (RA) J200010h 55m 44.384s
Declination (Dec) J2000+33° 30' 24.943"
Position Uncertainty0.0087s
Proper Motion in RA (J2000)/cos(Dec)-0.00893
Proper Motion in Dec (J2000)-0.027666
Radial Velocity-022.1km s-1
Trigonometric Parallax+0.01333s
Trigonometric Parallax Uncertainty0.00075s
GCI Unit Vector in X (J2000)-0.801257
GCI Unit Vector in Y (J2000)0.230742
GCI Unit Vector in Z (J2000)0.552038
Galactic Longitude191.48°
Galactic Latitude
64.32°
Observational Data
Observed Visual Magnitude (V)5.03
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.003
Observed B Magnitude6.13
Observed B-V Colour+1.097
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 Magnitude5.2
Observed Photographic Magnitude6.2
Morgan Keenan (MK) Spectral TypeK1III
One-Dimensional Spectral ClassK0
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