tcaep.co.uk Navigation. See bottom for text alternatives
Previous Page...
 
Printer Version
Astronomy
Constellations - Ursa Major - 70 UMa

 
Identification Data
Common Name
ConstellationUrsa Major
Star Name70 UMa
Skymap Number12200118
Henry Draper (HD) Number107465
Harvard Revised (HR) Number4701
SAO Number28346
Durchmusterung (DM) NumberBD+58 1371
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number33509
Right Ascension (RA) J200012h 20m 50.882s
Declination (Dec) J2000+57° 51' 50.825"
Position Uncertainty0.0062s
Proper Motion in RA (J2000)/cos(Dec)+0.00599
Proper Motion in Dec (J2000)-0.070566
Radial Velocity-042.6km s-1
Trigonometric Parallax+0.00465s
Trigonometric Parallax Uncertainty0.00061s
GCI Unit Vector in X (J2000)-0.529730
GCI Unit Vector in Y (J2000)-0.048321
GCI Unit Vector in Z (J2000)0.846789
Galactic Longitude130.78°
Galactic Latitude
58.79°
Observational Data
Observed Visual Magnitude (V)5.52
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.003
Observed B Magnitude6.97
Observed B-V Colour+1.451
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 Magnitude5.7
Observed Photographic Magnitude7.3
Morgan Keenan (MK) Spectral TypeK5III
One-Dimensional Spectral ClassK2
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))

 
[ H O M E ] [ S C I E N C E ] [ M A T H S ] [ A S T R O N O M Y ]
Download | Shop | Contact | About
 
Page compiled: Sun Sep 02 13:15:52 GMT+01:00 2001
 
The Bottom Line
HomeScienceMathsAstronomyDownloadBookshopContactAbout Top of Page