Astronomy
Constellations - Centaurus - sig Cen

 
Identification Data
Common Name
ConstellationCentaurus
Star Namesig Cen
Skymap Number12280007
Henry Draper (HD) Number108483
Harvard Revised (HR) Number4743
SAO Number223454
Durchmusterung (DM) NumberCD-49 7115
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number341006
Right Ascension (RA) J200012h 28m 2.382s
Declination (Dec) J2000-50° 13' 50.286"
Position Uncertainty0.0069s
Proper Motion in RA (J2000)/cos(Dec)-0.00339
Proper Motion in Dec (J2000)-0.012466
Radial Velocity+008.0km s-1
Trigonometric Parallax+0.00736s
Trigonometric Parallax Uncertainty0.00067s
GCI Unit Vector in X (J2000)-0.634917
GCI Unit Vector in Y (J2000)-0.078070
GCI Unit Vector in Z (J2000)-0.768626
Galactic Longitude299.11°
Galactic Latitude
12.47°
Observational Data
Observed Visual Magnitude (V)3.91
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.002
Observed B Magnitude3.73
Observed B-V Colour-0.184
Observed B Magnitude or (B-V) Magnitude Uncertainty0.002
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude4.2
Observed Photographic Magnitude4.0
Morgan Keenan (MK) Spectral TypeB2V
One-Dimensional Spectral ClassB3
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 13:15:36 GMT+01:00 2001