Astronomy
Constellations - Centaurus - iot Cen

 
Identification Data
Common Name
ConstellationCentaurus
Star Nameiot Cen
Skymap Number13200102
Henry Draper (HD) Number115892
Harvard Revised (HR) Number5028
SAO Number204371
Durchmusterung (DM) NumberCD-36 8497
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number291265
Right Ascension (RA) J200013h 20m 35.817s
Declination (Dec) J2000-36° 42' 44.262"
Position Uncertainty0.0076s
Proper Motion in RA (J2000)/cos(Dec)-0.02834
Proper Motion in Dec (J2000)-0.088066
Radial Velocity+000.1km s-1
Trigonometric Parallax+0.05564s
Trigonometric Parallax Uncertainty0.00074s
GCI Unit Vector in X (J2000)-0.752585
GCI Unit Vector in Y (J2000)-0.276141
GCI Unit Vector in Z (J2000)-0.597797
Galactic Longitude309.43°
Galactic Latitude
25.79°
Observational Data
Observed Visual Magnitude (V)2.76
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.003
Observed B Magnitude2.82
Observed B-V Colour+0.064
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 Magnitude2.9
Observed Photographic Magnitude3.0
Morgan Keenan (MK) Spectral TypeA2V
One-Dimensional Spectral ClassA2
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