Astronomy
Constellations - Ursa Major - 74 UMa

 
Identification Data
Common Name
ConstellationUrsa Major
Star Name74 UMa
Skymap Number12290115
Henry Draper (HD) Number108844
Harvard Revised (HR) Number4760
SAO Number28405
Durchmusterung (DM) NumberBD+59 1444
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number33584
Right Ascension (RA) J200012h 29m 57.324s
Declination (Dec) J2000+58° 24' 20.672"
Position Uncertainty0.0072s
Proper Motion in RA (J2000)/cos(Dec)-0.00850
Proper Motion in Dec (J2000)+0.088866
Radial Velocity+006.8km s-1
Trigonometric Parallax+0.01188s
Trigonometric Parallax Uncertainty0.00060s
GCI Unit Vector in X (J2000)-0.519432
GCI Unit Vector in Y (J2000)-0.068282
GCI Unit Vector in Z (J2000)0.851779
Galactic Longitude128.31°
Galactic Latitude
58.50°
Observational Data
Observed Visual Magnitude (V)5.36
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.002
Observed B Magnitude5.58
Observed B-V Colour+0.215
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 Magnitude5.4
Observed Photographic Magnitude
Morgan Keenan (MK) Spectral TypeA5DeltaDel
One-Dimensional Spectral ClassA5
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