Astronomy
Constellations - Libra - 4 Lib

 
Identification Data
Common Name
ConstellationLibra
Star Name4 Lib
Skymap Number14430033
Henry Draper (HD) Number129433
Harvard Revised (HR) Number5484
SAO Number182795
Durchmusterung (DM) NumberCD-2411637
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number263299
Right Ascension (RA) J200014h 43m 13.551s
Declination (Dec) J2000-24° 59' 51.911"
Position Uncertainty0.0081s
Proper Motion in RA (J2000)/cos(Dec)-0.00160
Proper Motion in Dec (J2000)-0.009166
Radial Velocity-004.2km s-1
Trigonometric Parallax+0.00797s
Trigonometric Parallax Uncertainty0.00078s
GCI Unit Vector in X (J2000)-0.686016
GCI Unit Vector in Y (J2000)-0.592288
GCI Unit Vector in Z (J2000)-0.422583
Galactic Longitude332.76°
Galactic Latitude
31.32°
Observational Data
Observed Visual Magnitude (V)5.70
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.004
Observed B Magnitude5.70
Observed B-V Colour+0.003
Observed B Magnitude or (B-V) Magnitude Uncertainty0.004
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude5.9
Observed Photographic Magnitude
Morgan Keenan (MK) Spectral Type
One-Dimensional Spectral Class
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))

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