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Astronomy
Constellations - Coma Berenices - 24 Com

 
Identification Data
Common Name
ConstellationComa Berenices
Star Name24 Com
Skymap Number12350129
Henry Draper (HD) Number109510
Harvard Revised (HR) Number4791
SAO Number100159
Durchmusterung (DM) NumberBD+19 2584
Washington Double Stars (WDS) Number
12351+1823
Positional Data
Position and Proper Motion (PPM) Number129165
Right Ascension (RA) J200012h 35m 6.361s
Declination (Dec) J2000+18° 22' 37.433"
Position Uncertainty0.2630s
Proper Motion in RA (J2000)/cos(Dec)+0.00174
Proper Motion in Dec (J2000)+0.012867
Radial Velocity+005.1km s-1
Trigonometric Parallax+0.00124s
Trigonometric Parallax Uncertainty0.00991s
GCI Unit Vector in X (J2000)-0.937890
GCI Unit Vector in Y (J2000)-0.144799
GCI Unit Vector in Z (J2000)0.315269
Galactic Longitude278.88°
Galactic Latitude
80.48°
Observational Data
Observed Visual Magnitude (V)6.49
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.006
Observed B Magnitude6.79
Observed B-V Colour+0.295
Observed B Magnitude or (B-V) Magnitude Uncertainty0.008
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude6.7
Observed Photographic Magnitude6.4
Morgan Keenan (MK) Spectral TypeA9Vm
One-Dimensional Spectral ClassA3
Position Angle271
Year of Observation1973. 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))

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