Astronomy
Constellations - Ursa Major - 28 UMa

 
Identification Data
Common Name
ConstellationUrsa Major
Star Name28 UMa
Skymap Number9450147
Henry Draper (HD) Number84179
Harvard Revised (HR) Number3865
SAO Number14980
Durchmusterung (DM) NumberBD+64 752
Washington Double Stars (WDS) Number
09459+6339
Positional Data
Position and Proper Motion (PPM) Number17185
Right Ascension (RA) J20009h 45m 55.362s
Declination (Dec) J2000+63° 39' 11.926"
Position Uncertainty0.0051s
Proper Motion in RA (J2000)/cos(Dec)-0.00252
Proper Motion in Dec (J2000)-0.043066
Radial Velocity-027.0km s-1
Trigonometric Parallax+0.01294s
Trigonometric Parallax Uncertainty0.00062s
GCI Unit Vector in X (J2000)-0.369997
GCI Unit Vector in Y (J2000)0.245075
GCI Unit Vector in Z (J2000)0.896125
Galactic Longitude148.96°
Galactic Latitude
42.93°
Observational Data
Observed Visual Magnitude (V)6.53
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.003
Observed B Magnitude6.88
Observed B-V Colour+0.351
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 Magnitude6.5
Observed Photographic Magnitude7.1
Morgan Keenan (MK) Spectral TypeF2V
One-Dimensional Spectral ClassF2
Position Angle27
Year of Observation1991. 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