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Astronomy
Constellations - Libra - 12 Lib

 
Identification Data
Common Name
ConstellationLibra
Star Name12 Lib
Skymap Number14540038
Henry Draper (HD) Number131430
Harvard Revised (HR) Number5548
SAO Number182983
Durchmusterung (DM) NumberCD-2411735
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number263542
Right Ascension (RA) J200014h 54m 20.129s
Declination (Dec) J2000-24° 38' 31.927"
Position Uncertainty0.0096s
Proper Motion in RA (J2000)/cos(Dec)-0.00081
Proper Motion in Dec (J2000)-0.027566
Radial Velocity+008.8km s-1
Trigonometric Parallax+0.00848s
Trigonometric Parallax Uncertainty0.00077s
GCI Unit Vector in X (J2000)-0.658397
GCI Unit Vector in Y (J2000)-0.626630
GCI Unit Vector in Z (J2000)-0.416950
Galactic Longitude335.50°
Galactic Latitude
30.35°
Observational Data
Observed Visual Magnitude (V)5.26
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.003
Observed B Magnitude6.60
Observed B-V Colour+1.342
Observed B Magnitude or (B-V) Magnitude Uncertainty0.005
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude4.7
Observed Photographic Magnitude
Morgan Keenan (MK) Spectral TypeK2III
One-Dimensional Spectral ClassK0
Position Angle
Year of Observation 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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