tcaep.co.uk Navigation. See bottom for text alternatives
Previous Page...
 
Printer Version
Astronomy
Constellations - Coma Berenices - 22 Com

 
Identification Data
Common Name
ConstellationComa Berenices
Star Name22 Com
Skymap Number12330079
Henry Draper (HD) Number109307
Harvard Revised (HR) Number4780
SAO Number82378
Durchmusterung (DM) NumberBD+25 2523
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number101990
Right Ascension (RA) J200012h 33m 34.220s
Declination (Dec) J2000+24° 16' 58.743"
Position Uncertainty0.0093s
Proper Motion in RA (J2000)/cos(Dec)-0.00080
Proper Motion in Dec (J2000)-0.008666
Radial Velocity+001.6km s-1
Trigonometric Parallax+0.00941s
Trigonometric Parallax Uncertainty0.00088s
GCI Unit Vector in X (J2000)-0.901764
GCI Unit Vector in Y (J2000)-0.133042
GCI Unit Vector in Z (J2000)0.411244
Galactic Longitude247.30°
Galactic Latitude
85.07°
Observational Data
Observed Visual Magnitude (V)6.26
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.004
Observed B Magnitude6.38
Observed B-V Colour+0.116
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 Magnitude6.1
Observed Photographic Magnitude6.2
Morgan Keenan (MK) Spectral TypeA4Vm
One-Dimensional Spectral ClassA2
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 13:15:38 GMT+01:00 2001
 
The Bottom Line
HomeScienceMathsAstronomyDownloadBookshopContactAbout Top of Page