Astronomy
Constellations - Libra - 18 Lib

 
Identification Data
Common Name
ConstellationLibra
Star Name18 Lib
Skymap Number14580138
Henry Draper (HD) Number132345
Harvard Revised (HR) Number5582
SAO Number158946
Durchmusterung (DM) NumberSD-10 3999
Washington Double Stars (WDS) Number
14589-1109
Positional Data
Position and Proper Motion (PPM) Number229579
Right Ascension (RA) J200014h 58m 53.580s
Declination (Dec) J2000-11° 8' 38.450"
Position Uncertainty0.0121s
Proper Motion in RA (J2000)/cos(Dec)-0.00725
Proper Motion in Dec (J2000)-0.061566
Radial Velocity-011.5km s-1
Trigonometric Parallax+0.01032s
Trigonometric Parallax Uncertainty0.00085s
GCI Unit Vector in X (J2000)-0.697117
GCI Unit Vector in Y (J2000)-0.690415
GCI Unit Vector in Z (J2000)-0.193276
Galactic Longitude346.12°
Galactic Latitude
40.81°
Observational Data
Observed Visual Magnitude (V)5.86
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.005
Observed B Magnitude7.13
Observed B-V Colour+1.273
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 Magnitude5.8
Observed Photographic Magnitude7.0
Morgan Keenan (MK) Spectral TypeK3-IIICN2
One-Dimensional Spectral ClassK0
Position Angle39
Year of Observation1962. 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