tcaep.co.uk Navigation. See bottom for text alternatives
Previous Page...
 
Printer Version
Astronomy
Constellations - Crux - bet Cru (Becrux)

 
Identification Data
Common NameBecrux
ConstellationCrux
Star Namebet Cru
Skymap Number12470099
Henry Draper (HD) Number111123
Harvard Revised (HR) Number4853
SAO Number240259
Durchmusterung (DM) NumberCP-59 4451
Washington Double Stars (WDS) Number
12477-5941
Positional Data
Position and Proper Motion (PPM) Number341305
Right Ascension (RA) J200012h 47m 43.263s
Declination (Dec) J2000-59° 41' 19.549"
Position Uncertainty0.0062s
Proper Motion in RA (J2000)/cos(Dec)-0.00637
Proper Motion in Dec (J2000)-0.012866
Radial Velocity+015.6km s-1
Trigonometric Parallax+0.00925s
Trigonometric Parallax Uncertainty0.00061s
GCI Unit Vector in X (J2000)-0.493795
GCI Unit Vector in Y (J2000)-0.104331
GCI Unit Vector in Z (J2000)-0.863297
Galactic Longitude302.47°
Galactic Latitude
3.18°
Observational Data
Observed Visual Magnitude (V)1.31
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.006
Observed B Magnitude1.15
Observed B-V Colour-0.158
Observed B Magnitude or (B-V) Magnitude Uncertainty0.009
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude1.5
Observed Photographic Magnitude1.3
Morgan Keenan (MK) Spectral TypeB0.5III
One-Dimensional Spectral ClassB1
Position Angle322
Year of Observation1901. 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))

 
[ H O M E ] [ S C I E N C E ] [ M A T H S ] [ A S T R O N O M Y ]
Download | Shop | Contact | About
 
Page compiled: Sun Sep 02 13:15:38 GMT+01:00 2001
 
The Bottom Line
HomeScienceMathsAstronomyDownloadBookshopContactAbout Top of Page