Astronomy
Constellations - Centaurus - xi 1Cen

 
Identification Data
Common Name
ConstellationCentaurus
Star Namexi 1Cen
Skymap Number13030076
Henry Draper (HD) Number113314
Harvard Revised (HR) Number4933
SAO Number223870
Durchmusterung (DM) NumberCD-48 7887
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number318089
Right Ascension (RA) J200013h 3m 33.306s
Declination (Dec) J2000-49° 31' 38.149"
Position Uncertainty0.0061s
Proper Motion in RA (J2000)/cos(Dec)-0.00478
Proper Motion in Dec (J2000)-0.011266
Radial Velocity+000.0km s-1
Trigonometric Parallax+0.01497s
Trigonometric Parallax Uncertainty0.00068s
GCI Unit Vector in X (J2000)-0.624288
GCI Unit Vector in Y (J2000)-0.177701
GCI Unit Vector in Z (J2000)-0.760715
Galactic Longitude304.96°
Galactic Latitude
13.30°
Observational Data
Observed Visual Magnitude (V)4.83
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.003
Observed B Magnitude4.86
Observed B-V Colour+0.026
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 Magnitude4.8
Observed Photographic Magnitude5.0
Morgan Keenan (MK) Spectral TypeA0V
One-Dimensional Spectral ClassA0
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