Astronomy
Constellations - Centaurus - bet Cen (Hadar)

 
Identification Data
Common NameHadar
ConstellationCentaurus
Star Namebet Cen
Skymap Number14030110
Henry Draper (HD) Number122451
Harvard Revised (HR) Number5267
SAO Number252582
Durchmusterung (DM) NumberCP-59 5365
Washington Double Stars (WDS) Number
14038-6022
Positional Data
Position and Proper Motion (PPM) Number360515
Right Ascension (RA) J200014h 3m 49.404s
Declination (Dec) J2000-60° 22' 22.942"
Position Uncertainty0.0060s
Proper Motion in RA (J2000)/cos(Dec)-0.00458
Proper Motion in Dec (J2000)-0.025167
Radial Velocity+005.9km s-1
Trigonometric Parallax+0.00621s
Trigonometric Parallax Uncertainty0.00056s
GCI Unit Vector in X (J2000)-0.423938
GCI Unit Vector in Y (J2000)-0.254283
GCI Unit Vector in Z (J2000)-0.869262
Galactic Longitude311.77°
Galactic Latitude
1.25°
Observational Data
Observed Visual Magnitude (V)0.64
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.013
Observed B Magnitude0.49
Observed B-V Colour-0.153
Observed B Magnitude or (B-V) Magnitude Uncertainty0.017
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude.9
Observed Photographic Magnitude.6
Morgan Keenan (MK) Spectral TypeB1III
One-Dimensional Spectral ClassB1
Position Angle251
Year of Observation1960. 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