Astronomy
Constellations - Crux - gam Cru

 
Identification Data
Common Name
ConstellationCrux
Star Namegam Cru
Skymap Number12310051
Henry Draper (HD) Number108925
Harvard Revised (HR) Number4764
SAO Number240022
Durchmusterung (DM) NumberCP-56 5274
Washington Double Stars (WDS) Number
12312-5707
Positional Data
Position and Proper Motion (PPM) Number341062
Right Ascension (RA) J200012h 31m 16.721s
Declination (Dec) J2000-57° 4' 52.879"
Position Uncertainty0.0293s
Proper Motion in RA (J2000)/cos(Dec)+0.00125
Proper Motion in Dec (J2000)-0.015968
Radial Velocity+002.km s-1
Trigonometric Parallax+0.00420s
Trigonometric Parallax Uncertainty0.0028s
GCI Unit Vector in X (J2000)-0.538394
GCI Unit Vector in Y (J2000)-0.073939
GCI Unit Vector in Z (J2000)-0.839443
Galactic Longitude300.19°
Galactic Latitude
5.68°
Observational Data
Observed Visual Magnitude (V)6.39
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.009
Observed B Magnitude6.56
Observed B-V Colour+0.167
Observed B Magnitude or (B-V) Magnitude Uncertainty0.010
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude6.6
Observed Photographic Magnitude
Morgan Keenan (MK) Spectral TypeA3V
One-Dimensional Spectral ClassA2
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