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Astronomy
Constellations - Libra - 38gam Lib (Zuben Elakrab)

 
Identification Data
Common NameZuben Elakrab
ConstellationLibra
Star Name38gam Lib
Skymap Number15350091
Henry Draper (HD) Number138905
Harvard Revised (HR) Number5787
SAO Number159370
Durchmusterung (DM) NumberSD-14 4237
Washington Double Stars (WDS) Number
15355-1447
Positional Data
Position and Proper Motion (PPM) Number230451
Right Ascension (RA) J200015h 35m 31.579s
Declination (Dec) J2000-14° 47' 22.333"
Position Uncertainty0.0099s
Proper Motion in RA (J2000)/cos(Dec)+0.00453
Proper Motion in Dec (J2000)+0.006966
Radial Velocity-027.5km s-1
Trigonometric Parallax+0.02142s
Trigonometric Parallax Uncertainty0.00090s
GCI Unit Vector in X (J2000)-0.569927
GCI Unit Vector in Y (J2000)-0.781038
GCI Unit Vector in Z (J2000)-0.255269
Galactic Longitude351.52°
Galactic Latitude
32.20°
Observational Data
Observed Visual Magnitude (V)3.92
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.002
Observed B Magnitude4.92
Observed B-V Colour+1.003
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 Magnitude4.0
Observed Photographic Magnitude5.0
Morgan Keenan (MK) Spectral TypeG8.5III
One-Dimensional Spectral ClassK0
Position Angle191
Year of Observation1940. 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))

 
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Page compiled: Sun Sep 02 13:15:44 GMT+01:00 2001
 
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