Astronomy
Constellations - Centaurus - eps Cen

 
Identification Data
Common Name
ConstellationCentaurus
Star Nameeps Cen
Skymap Number13390120
Henry Draper (HD) Number118716
Harvard Revised (HR) Number5132
SAO Number241047
Durchmusterung (DM) NumberCP-52 6655
Washington Double Stars (WDS) Number
13399-5328
Positional Data
Position and Proper Motion (PPM) Number342130
Right Ascension (RA) J200013h 39m 53.258s
Declination (Dec) J2000-53° 27' 59.018"
Position Uncertainty0.0087s
Proper Motion in RA (J2000)/cos(Dec)-0.00164
Proper Motion in Dec (J2000)-0.012866
Radial Velocity+003.0km s-1
Trigonometric Parallax+0.00868s
Trigonometric Parallax Uncertainty0.00077s
GCI Unit Vector in X (J2000)-0.539643
GCI Unit Vector in Y (J2000)-0.251318
GCI Unit Vector in Z (J2000)-0.803508
Galactic Longitude310.20°
Galactic Latitude
8.72°
Observational Data
Observed Visual Magnitude (V)2.28
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.003
Observed B Magnitude2.11
Observed B-V Colour-0.173
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 Magnitude2.6
Observed Photographic Magnitude2.3
Morgan Keenan (MK) Spectral TypeB1III
One-Dimensional Spectral ClassB1
Position Angle158
Year of Observation1967. 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