Astronomy
Constellations - Centaurus - rho Cen

 
Identification Data
Common Name
ConstellationCentaurus
Star Namerho Cen
Skymap Number12110102
Henry Draper (HD) Number105937
Harvard Revised (HR) Number4638
SAO Number239737
Durchmusterung (DM) NumberCD-51 6455
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number340769
Right Ascension (RA) J200012h 11m 39.111s
Declination (Dec) J2000-52° 22' 6.457"
Position Uncertainty0.0101s
Proper Motion in RA (J2000)/cos(Dec)-0.00460
Proper Motion in Dec (J2000)-0.018466
Radial Velocity+015.0km s-1
Trigonometric Parallax+0.00953s
Trigonometric Parallax Uncertainty0.00073s
GCI Unit Vector in X (J2000)-0.609792
GCI Unit Vector in Y (J2000)-0.031029
GCI Unit Vector in Z (J2000)-0.791954
Galactic Longitude296.79°
Galactic Latitude
10.03°
Observational Data
Observed Visual Magnitude (V)3.96
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.002
Observed B Magnitude3.81
Observed B-V Colour-0.147
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 Magnitude3.8
Observed Photographic Magnitude4.0
Morgan Keenan (MK) Spectral TypeB3V
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