Astronomy
Constellations - Libra - 9alp2Lib (Zuben Elgenubi)

 
Identification Data
Common NameZuben Elgenubi
ConstellationLibra
Star Name9alp2Lib
Skymap Number14500141
Henry Draper (HD) Number130841
Harvard Revised (HR) Number5531
SAO Number158840
Durchmusterung (DM) NumberSD-15 3966
Washington Double Stars (WDS) Number
14509-1603
Positional Data
Position and Proper Motion (PPM) Number229372
Right Ascension (RA) J200014h 50m 52.713s
Declination (Dec) J2000-16° 2' 30.401"
Position Uncertainty0.0094s
Proper Motion in RA (J2000)/cos(Dec)-0.00733
Proper Motion in Dec (J2000)-0.069066
Radial Velocity-010.0km s-1
Trigonometric Parallax+0.04225s
Trigonometric Parallax Uncertainty0.00105s
GCI Unit Vector in X (J2000)-0.706074
GCI Unit Vector in Y (J2000)-0.651994
GCI Unit Vector in Z (J2000)-0.276338
Galactic Longitude340.33°
Galactic Latitude
38.01°
Observational Data
Observed Visual Magnitude (V)2.75
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.003
Observed B Magnitude2.92
Observed B-V Colour+0.169
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 Magnitude2.9
Observed Photographic Magnitude3.0
Morgan Keenan (MK) Spectral TypeA3IV
One-Dimensional Spectral ClassA3
Position Angle314
Year of Observation1987. 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 13:15:44 GMT+01:00 2001