Astronomy
Constellations - Crux - zet Cru

 
Identification Data
Common Name
ConstellationCrux
Star Namezet Cru
Skymap Number12180067
Henry Draper (HD) Number106983
Harvard Revised (HR) Number4679
SAO Number251841
Durchmusterung (DM) NumberCP-63 2235
Washington Double Stars (WDS) Number
12184-6400
Positional Data
Position and Proper Motion (PPM) Number359321
Right Ascension (RA) J200012h 18m 26.248s
Declination (Dec) J2000-64° 0' 11.055"
Position Uncertainty0.0063s
Proper Motion in RA (J2000)/cos(Dec)-0.00505
Proper Motion in Dec (J2000)-0.010466
Radial Velocity+015.8km s-1
Trigonometric Parallax+0.00903s
Trigonometric Parallax Uncertainty0.00055s
GCI Unit Vector in X (J2000)-0.436905
GCI Unit Vector in Y (J2000)-0.035224
GCI Unit Vector in Z (J2000)-0.898818
Galactic Longitude299.33°
Galactic Latitude
-1.36°
Observational Data
Observed Visual Magnitude (V)4.05
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.002
Observed B Magnitude3.89
Observed B-V Colour-0.162
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 Magnitude4.1
Observed Photographic Magnitude4.1
Morgan Keenan (MK) Spectral TypeB2.5V
One-Dimensional Spectral ClassB3
Position Angle339
Year of Observation1918. 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