Astronomy
Constellations - Centaurus - zet Cen

 
Identification Data
Common Name
ConstellationCentaurus
Star Namezet Cen
Skymap Number13550080
Henry Draper (HD) Number121263
Harvard Revised (HR) Number5231
SAO Number224538
Durchmusterung (DM) NumberCD-46 8949
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number318991
Right Ascension (RA) J200013h 55m 32.385s
Declination (Dec) J2000-47° 17' 18.150"
Position Uncertainty0.0059s
Proper Motion in RA (J2000)/cos(Dec)-0.00562
Proper Motion in Dec (J2000)-0.044866
Radial Velocity+006.5km s-1
Trigonometric Parallax+0.00848s
Trigonometric Parallax Uncertainty0.00074s
GCI Unit Vector in X (J2000)-0.593921
GCI Unit Vector in Y (J2000)-0.327659
GCI Unit Vector in Z (J2000)-0.734777
Galactic Longitude314.08°
Galactic Latitude
14.19°
Observational Data
Observed Visual Magnitude (V)2.53
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.004
Observed B Magnitude2.35
Observed B-V Colour-0.178
Observed B Magnitude or (B-V) Magnitude Uncertainty0.005
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude3.1
Observed Photographic Magnitude2.9
Morgan Keenan (MK) Spectral TypeB2.5IV
One-Dimensional Spectral ClassB2
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