Astronomy
Constellations - Crux - the1Cru

 
Identification Data
Common Name
ConstellationCrux
Star Namethe1Cru
Skymap Number12030011
Henry Draper (HD) Number104671
Harvard Revised (HR) Number4599
SAO Number251705
Durchmusterung (DM) NumberCP-62 2543
Washington Double Stars (WDS) Number
12030-6319
Positional Data
Position and Proper Motion (PPM) Number359149
Right Ascension (RA) J200012h 3m 1.501s
Declination (Dec) J2000-63° 18' 46.548"
Position Uncertainty0.0059s
Proper Motion in RA (J2000)/cos(Dec)-0.02264
Proper Motion in Dec (J2000)+0.006166
Radial Velocity-002.4km s-1
Trigonometric Parallax+0.01419s
Trigonometric Parallax Uncertainty0.00054s
GCI Unit Vector in X (J2000)-0.449078
GCI Unit Vector in Y (J2000)-0.005928
GCI Unit Vector in Z (J2000)-0.893473
Galactic Longitude297.53°
Galactic Latitude
-0.95°
Observational Data
Observed Visual Magnitude (V)4.33
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.002
Observed B Magnitude4.60
Observed B-V Colour+0.266
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 Magnitude4.3
Observed Photographic Magnitude4.6
Morgan Keenan (MK) Spectral Type
One-Dimensional Spectral ClassAm
Position Angle325
Year of Observation1921. 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