Astronomy
Constellations - Crux - del Cru

 
Identification Data
Common Name
ConstellationCrux
Star Namedel Cru
Skymap Number12150021
Henry Draper (HD) Number106490
Harvard Revised (HR) Number4656
SAO Number239791
Durchmusterung (DM) NumberCP-58 4189
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number340824
Right Ascension (RA) J200012h 15m 8.715s
Declination (Dec) J2000-58° 44' 56.140"
Position Uncertainty0.0057s
Proper Motion in RA (J2000)/cos(Dec)-0.00471
Proper Motion in Dec (J2000)-0.010766
Radial Velocity+022.2km s-1
Trigonometric Parallax+0.00896s
Trigonometric Parallax Uncertainty0.00060s
GCI Unit Vector in X (J2000)-0.517657
GCI Unit Vector in Y (J2000)-0.034259
GCI Unit Vector in Z (J2000)-0.854902
Galactic Longitude298.23°
Galactic Latitude
3.79°
Observational Data
Observed Visual Magnitude (V)2.79
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.002
Observed B Magnitude2.60
Observed B-V Colour-0.194
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 Magnitude3.1
Observed Photographic Magnitude2.9
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 13:15:38 GMT+01:00 2001