Astronomy
Constellations - Centaurus - pi Cen

 
Identification Data
Common Name
ConstellationCentaurus
Star Namepi Cen
Skymap Number11210002
Henry Draper (HD) Number98718
Harvard Revised (HR) Number4390
SAO Number238986
Durchmusterung (DM) NumberCP-53 4498
Washington Double Stars (WDS) Number
11210-5429
Positional Data
Position and Proper Motion (PPM) Number339993
Right Ascension (RA) J200011h 21m 0.406s
Declination (Dec) J2000-54° 29' 27.669"
Position Uncertainty0.0061s
Proper Motion in RA (J2000)/cos(Dec)-0.00405
Proper Motion in Dec (J2000)-0.002267
Radial Velocity+009.4km s-1
Trigonometric Parallax+0.01015s
Trigonometric Parallax Uncertainty0.00053s
GCI Unit Vector in X (J2000)-0.572444
GCI Unit Vector in Y (J2000)0.098346
GCI Unit Vector in Z (J2000)-0.814024
Galactic Longitude289.96°
Galactic Latitude
6.09°
Observational Data
Observed Visual Magnitude (V)3.89
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.002
Observed B Magnitude3.75
Observed B-V Colour-0.145
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 Magnitude4.3
Observed Photographic Magnitude4.1
Morgan Keenan (MK) Spectral TypeB5Vn
One-Dimensional Spectral ClassB5
Position Angle
Year of Observation1994. 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