Astronomy
Constellations - Coma Berenices - 9 Com

 
Identification Data
Common Name
ConstellationComa Berenices
Star Name9 Com
Skymap Number12190075
Henry Draper (HD) Number107213
Harvard Revised (HR) Number4688
SAO Number82244
Durchmusterung (DM) NumberBD+28 2106
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number101810
Right Ascension (RA) J200012h 19m 29.527s
Declination (Dec) J2000+28° 9' 24.899"
Position Uncertainty0.0096s
Proper Motion in RA (J2000)/cos(Dec)-0.01531
Proper Motion in Dec (J2000)-0.125766
Radial Velocity-007.9km s-1
Trigonometric Parallax+0.02012s
Trigonometric Parallax Uncertainty0.00077s
GCI Unit Vector in X (J2000)-0.878472
GCI Unit Vector in Y (J2000)-0.074895
GCI Unit Vector in Z (J2000)0.471888
Galactic Longitude202.83°
Galactic Latitude
82.85°
Observational Data
Observed Visual Magnitude (V)6.38
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.005
Observed B Magnitude6.91
Observed B-V Colour+0.530
Observed B Magnitude or (B-V) Magnitude Uncertainty0.006
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude6.3
Observed Photographic Magnitude6.7
Morgan Keenan (MK) Spectral TypeF8Vs
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