Astronomy
Constellations - Coma Berenices - 18 Com

 
Identification Data
Common Name
ConstellationComa Berenices
Star Name18 Com
Skymap Number12290055
Henry Draper (HD) Number108722
Harvard Revised (HR) Number4753
SAO Number82333
Durchmusterung (DM) NumberBD+24 2464
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number101933
Right Ascension (RA) J200012h 29m 27.042s
Declination (Dec) J2000+24° 6' 32.131"
Position Uncertainty0.0095s
Proper Motion in RA (J2000)/cos(Dec)-0.00132
Proper Motion in Dec (J2000)+0.001866
Radial Velocity+025.1km s-1
Trigonometric Parallax+0.01510s
Trigonometric Parallax Uncertainty0.00086s
GCI Unit Vector in X (J2000)-0.905245
GCI Unit Vector in Y (J2000)-0.116971
GCI Unit Vector in Z (J2000)0.408473
Galactic Longitude243.15°
Galactic Latitude
84.20°
Observational Data
Observed Visual Magnitude (V)5.48
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.003
Observed B Magnitude5.92
Observed B-V Colour+0.444
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 Magnitude5.5
Observed Photographic Magnitude5.9
Morgan Keenan (MK) Spectral TypeF5III
One-Dimensional Spectral ClassF5
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))

 
Page compiled: Sun Sep 02 13:15:38 GMT+01:00 2001