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Astronomy
Constellations - Libra - 11 Lib

 
Identification Data
Common Name
ConstellationLibra
Star Name11 Lib
Skymap Number14510002
Henry Draper (HD) Number130952
Harvard Revised (HR) Number5535
SAO Number140176
Durchmusterung (DM) NumberBD-01 2991
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number179406
Right Ascension (RA) J200014h 51m 1.071s
Declination (Dec) J2000-2° 17' 56.942"
Position Uncertainty0.0121s
Proper Motion in RA (J2000)/cos(Dec)+0.00585
Proper Motion in Dec (J2000)-0.123666
Radial Velocity+083.1km s-1
Trigonometric Parallax+0.01509s
Trigonometric Parallax Uncertainty0.00109s
GCI Unit Vector in X (J2000)-0.733679
GCI Unit Vector in Y (J2000)-0.678311
GCI Unit Vector in Z (J2000)-0.040117
Galactic Longitude352.08°
Galactic Latitude
48.82°
Observational Data
Observed Visual Magnitude (V)4.93
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.004
Observed B Magnitude5.92
Observed B-V Colour+0.988
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 Magnitude5.1
Observed Photographic Magnitude6.0
Morgan Keenan (MK) Spectral TypeG8III-IV
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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