Astronomy
Constellations - Coma Berenices - 24 Com

 
Identification Data
Common Name
ConstellationComa Berenices
Star Name24 Com
Skymap Number12350014
Henry Draper (HD) Number109511
Harvard Revised (HR) Number4792
SAO Number100160
Durchmusterung (DM) NumberBD+19 2584
Washington Double Stars (WDS) Number
12351+1823
Positional Data
Position and Proper Motion (PPM) Number129167
Right Ascension (RA) J200012h 35m 7.759s
Declination (Dec) J2000+18° 22' 37.408"
Position Uncertainty0.0222s
Proper Motion in RA (J2000)/cos(Dec)-0.00032
Proper Motion in Dec (J2000)+0.023367
Radial Velocity+003.9km s-1
Trigonometric Parallax+0.00531s
Trigonometric Parallax Uncertainty0.00180s
GCI Unit Vector in X (J2000)-0.937876
GCI Unit Vector in Y (J2000)-0.144895
GCI Unit Vector in Z (J2000)0.315269
Galactic Longitude278.92°
Galactic Latitude
80.48°
Observational Data
Observed Visual Magnitude (V)4.99
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.004
Observed B Magnitude6.13
Observed B-V Colour+1.135
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 Magnitude5.2
Observed Photographic Magnitude
Morgan Keenan (MK) Spectral TypeK2III
One-Dimensional Spectral ClassK0
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))

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