tcaep.co.uk Navigation. See bottom for text alternatives
Previous Page...
 
Printer Version
Astronomy
Constellations - Ursa Major - 42 UMa

 
Identification Data
Common Name
ConstellationUrsa Major
Star Name42 UMa
Skymap Number10510076
Henry Draper (HD) Number93875
Harvard Revised (HR) Number4236
SAO Number27793
Durchmusterung (DM) NumberBD+60 1296
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number32824
Right Ascension (RA) J200010h 51m 23.723s
Declination (Dec) J2000+59° 19' 12.429"
Position Uncertainty0.0051s
Proper Motion in RA (J2000)/cos(Dec)-0.00388
Proper Motion in Dec (J2000)-0.051266
Radial Velocity-017.0km s-1
Trigonometric Parallax+0.01239s
Trigonometric Parallax Uncertainty0.00066s
GCI Unit Vector in X (J2000)-0.487551
GCI Unit Vector in Y (J2000)0.150467
GCI Unit Vector in Z (J2000)0.860031
Galactic Longitude147.28°
Galactic Latitude
51.76°
Observational Data
Observed Visual Magnitude (V)5.56
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.002
Observed B Magnitude6.72
Observed B-V Colour+1.158
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 Magnitude5.7
Observed Photographic Magnitude
Morgan Keenan (MK) Spectral TypeK2III
One-Dimensional Spectral ClassK0
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