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Astronomy
Constellations - Libra - 2 Lib

 
Identification Data
Common Name
ConstellationLibra
Star Name2 Lib
Skymap Number14230059
Henry Draper (HD) Number126035
Harvard Revised (HR) Number5383
SAO Number158528
Durchmusterung (DM) NumberSD-11 3729
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number228711
Right Ascension (RA) J200014h 23m 25.626s
Declination (Dec) J2000-11° 42' 50.553"
Position Uncertainty0.0098s
Proper Motion in RA (J2000)/cos(Dec)-0.00049
Proper Motion in Dec (J2000)-0.058766
Radial Velocity-001.2km s-1
Trigonometric Parallax+0.00987s
Trigonometric Parallax Uncertainty0.00081s
GCI Unit Vector in X (J2000)-0.793604
GCI Unit Vector in Y (J2000)-0.573561
GCI Unit Vector in Z (J2000)-0.203027
Galactic Longitude335.82°
Galactic Latitude
45.20°
Observational Data
Observed Visual Magnitude (V)6.22
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.005
Observed B Magnitude7.21
Observed B-V Colour+0.987
Observed B Magnitude or (B-V) Magnitude Uncertainty0.007
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude6.3
Observed Photographic Magnitude7.3
Morgan Keenan (MK) Spectral TypeG7III
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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