Astronomy
Constellations - Ursa Major - 78 UMa

 
Identification Data
Common Name
ConstellationUrsa Major
Star Name78 UMa
Skymap Number13000116
Henry Draper (HD) Number113139
Harvard Revised (HR) Number4931
SAO Number28601
Durchmusterung (DM) NumberBD+57 1408
Washington Double Stars (WDS) Number
13007+5622
Positional Data
Position and Proper Motion (PPM) Number33822
Right Ascension (RA) J200013h 0m 43.699s
Declination (Dec) J2000+56° 21' 58.816"
Position Uncertainty0.0063s
Proper Motion in RA (J2000)/cos(Dec)+0.01304
Proper Motion in Dec (J2000)+0.002767
Radial Velocity-010.2km s-1
Trigonometric Parallax+0.04006s
Trigonometric Parallax Uncertainty0.00060s
GCI Unit Vector in X (J2000)-0.534550
GCI Unit Vector in Y (J2000)-0.145054
GCI Unit Vector in Z (J2000)0.832596
Galactic Longitude120.30°
Galactic Latitude
60.71°
Observational Data
Observed Visual Magnitude (V)4.94
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.003
Observed B Magnitude5.31
Observed B-V Colour+0.367
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 Magnitude4.9
Observed Photographic Magnitude5.2
Morgan Keenan (MK) Spectral TypeF2V
One-Dimensional Spectral ClassF0
Position Angle64
Year of Observation1988. 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