Astronomy
Constellations - Ursa Major - 41 UMa

 
Identification Data
Common Name
ConstellationUrsa Major
Star Name41 UMa
Skymap Number10460069
Henry Draper (HD) Number93132
Harvard Revised (HR) Number4202
SAO Number27760
Durchmusterung (DM) NumberBD+58 1281
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number32780
Right Ascension (RA) J200010h 46m 22.480s
Declination (Dec) J2000+57° 21' 57.292"
Position Uncertainty0.0052s
Proper Motion in RA (J2000)/cos(Dec)-0.00657
Proper Motion in Dec (J2000)-0.057666
Radial Velocity-001.6km s-1
Trigonometric Parallax+0.00431s
Trigonometric Parallax Uncertainty0.00066s
GCI Unit Vector in X (J2000)-0.511683
GCI Unit Vector in Y (J2000)0.170277
GCI Unit Vector in Z (J2000)0.842132
Galactic Longitude150.36°
Galactic Latitude
52.58°
Observational Data
Observed Visual Magnitude (V)6.35
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.004
Observed B Magnitude7.90
Observed B-V Colour+1.547
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 TypeM1III
One-Dimensional Spectral ClassM0
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