Astronomy
Constellations - Centaurus - phi Cen

 
Identification Data
Common Name
ConstellationCentaurus
Star Namephi Cen
Skymap Number13580028
Henry Draper (HD) Number121743
Harvard Revised (HR) Number5248
SAO Number224577
Durchmusterung (DM) NumberCD-41 8329
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number319038
Right Ascension (RA) J200013h 58m 16.266s
Declination (Dec) J2000-42° 6' 2.712"
Position Uncertainty0.0071s
Proper Motion in RA (J2000)/cos(Dec)-0.00213
Proper Motion in Dec (J2000)-0.019866
Radial Velocity+005.7km s-1
Trigonometric Parallax+0.00701s
Trigonometric Parallax Uncertainty0.00067s
GCI Unit Vector in X (J2000)-0.645343
GCI Unit Vector in Y (J2000)-0.366126
GCI Unit Vector in Z (J2000)-0.670436
Galactic Longitude315.98°
Galactic Latitude
19.07°
Observational Data
Observed Visual Magnitude (V)3.82
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.002
Observed B Magnitude3.62
Observed B-V Colour-0.200
Observed B Magnitude or (B-V) Magnitude Uncertainty0.003
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude3.5
Observed Photographic Magnitude3.9
Morgan Keenan (MK) Spectral TypeB2IV
One-Dimensional Spectral ClassB3
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