Astronomy
Constellations - Centaurus - del Cen

 
Identification Data
Common Name
ConstellationCentaurus
Star Namedel Cen
Skymap Number12080058
Henry Draper (HD) Number105435
Harvard Revised (HR) Number4621
SAO Number239689
Durchmusterung (DM) NumberCD-50 6697
Washington Double Stars (WDS) Number
12084-5043
Positional Data
Position and Proper Motion (PPM) Number340720
Right Ascension (RA) J200012h 8m 21.499s
Declination (Dec) J2000-50° 43' 20.732"
Position Uncertainty0.0139s
Proper Motion in RA (J2000)/cos(Dec)-0.00501
Proper Motion in Dec (J2000)-0.006466
Radial Velocity+011.0km s-1
Trigonometric Parallax+0.00825s
Trigonometric Parallax Uncertainty0.00079s
GCI Unit Vector in X (J2000)-0.632657
GCI Unit Vector in Y (J2000)-0.023083
GCI Unit Vector in Z (J2000)-0.774088
Galactic Longitude296.00°
Galactic Latitude
11.57°
Observational Data
Observed Visual Magnitude (V)2.58
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.019
Observed B Magnitude2.45
Observed B-V Colour-0.13
Observed B Magnitude or (B-V) Magnitude Uncertainty0.009
Observed U Magnitude1.56
Observed U-B Colour-0.89
Observed U Magnitude or (U-B) Magnitude Uncertainty0.012
Observed Photovisual Magnitude2.9
Observed Photographic Magnitude3.1
Morgan Keenan (MK) Spectral TypeB2IVne
One-Dimensional Spectral ClassB3
Position Angle325
Year of Observation1913. 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 13:15:36 GMT+01:00 2001