Astronomy
Constellations - Coma Berenices - 40 Com

 
Identification Data
Common Name
ConstellationComa Berenices
Star Name40 Com
Skymap Number13060051
Henry Draper (HD) Number113866
Harvard Revised (HR) Number4949
SAO Number82651
Durchmusterung (DM) NumberBD+23 2538
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number102380
Right Ascension (RA) J200013h 6m 22.603s
Declination (Dec) J2000+22° 36' 58.273"
Position Uncertainty0.0109s
Proper Motion in RA (J2000)/cos(Dec)+0.00215
Proper Motion in Dec (J2000)-0.042766
Radial Velocity-005.1km s-1
Trigonometric Parallax+0.00570s
Trigonometric Parallax Uncertainty0.00119s
GCI Unit Vector in X (J2000)-0.884656
GCI Unit Vector in Y (J2000)-0.263630
GCI Unit Vector in Z (J2000)0.384556
Galactic Longitude340.67°
Galactic Latitude
84.36°
Observational Data
Observed Visual Magnitude (V)5.64
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.018
Observed B Magnitude7.07
Observed B-V Colour+1.432
Observed B Magnitude or (B-V) Magnitude Uncertainty0.019
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude5.9
Observed Photographic Magnitude7.5
Morgan Keenan (MK) Spectral TypeM5III
One-Dimensional Spectral ClassM0
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