Astronomy
Constellations - Centaurus - 1 Cen

 
Identification Data
Common Name
ConstellationCentaurus
Star Name1 Cen
Skymap Number13450111
Henry Draper (HD) Number119756
Harvard Revised (HR) Number5168
SAO Number204812
Durchmusterung (DM) NumberCD-32 9603
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number291783
Right Ascension (RA) J200013h 45m 41.245s
Declination (Dec) J2000-33° 2' 37.397"
Position Uncertainty0.0081s
Proper Motion in RA (J2000)/cos(Dec)-0.03673
Proper Motion in Dec (J2000)-0.146266
Radial Velocity-021.8km s-1
Trigonometric Parallax+0.05191s
Trigonometric Parallax Uncertainty0.00075s
GCI Unit Vector in X (J2000)-0.750692
GCI Unit Vector in Y (J2000)-0.373004
GCI Unit Vector in Z (J2000)-0.545279
Galactic Longitude315.87°
Galactic Latitude
28.46°
Observational Data
Observed Visual Magnitude (V)4.23
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.003
Observed B Magnitude4.61
Observed B-V Colour+0.382
Observed B Magnitude or (B-V) Magnitude Uncertainty0.004
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude4.4
Observed Photographic Magnitude4.8
Morgan Keenan (MK) Spectral TypeF3IV
One-Dimensional Spectral ClassF5
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