Astronomy
Constellations - Ursa Major - 51 UMa

 
Identification Data
Common Name
ConstellationUrsa Major
Star Name51 UMa
Skymap Number11040089
Henry Draper (HD) Number95934
Harvard Revised (HR) Number4309
SAO Number62387
Durchmusterung (DM) NumberBD+39 2414
Washington Double Stars (WDS) Number
11045+3814
Positional Data
Position and Proper Motion (PPM) Number75654
Right Ascension (RA) J200011h 4m 31.226s
Declination (Dec) J2000+38° 14' 28.913"
Position Uncertainty0.0076s
Proper Motion in RA (J2000)/cos(Dec)-0.00612
Proper Motion in Dec (J2000)+0.001466
Radial Velocity+006.6km s-1
Trigonometric Parallax+0.01241s
Trigonometric Parallax Uncertainty0.00071s
GCI Unit Vector in X (J2000)-0.762510
GCI Unit Vector in Y (J2000)0.188277
GCI Unit Vector in Z (J2000)0.618976
Galactic Longitude179.75°
Galactic Latitude
65.03°
Observational Data
Observed Visual Magnitude (V)6.03
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.004
Observed B Magnitude6.18
Observed B-V Colour+0.154
Observed B Magnitude or (B-V) Magnitude Uncertainty0.005
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude6.1
Observed Photographic Magnitude
Morgan Keenan (MK) Spectral TypeA3III-IV
One-Dimensional Spectral ClassA2
Position Angle250
Year of Observation1958. 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