Astronomy
Constellations - Libra - 46the Lib

 
Identification Data
Common Name
ConstellationLibra
Star Name46the Lib
Skymap Number15530119
Henry Draper (HD) Number142198
Harvard Revised (HR) Number5908
SAO Number159563
Durchmusterung (DM) NumberSD-16 4174
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number230911
Right Ascension (RA) J200015h 53m 49.538s
Declination (Dec) J2000-16° 43' 45.457"
Position Uncertainty0.0113s
Proper Motion in RA (J2000)/cos(Dec)+0.00697
Proper Motion in Dec (J2000)+0.135366
Radial Velocity+003.4km s-1
Trigonometric Parallax+0.02002s
Trigonometric Parallax Uncertainty0.00088s
GCI Unit Vector in X (J2000)-0.501005
GCI Unit Vector in Y (J2000)-0.816172
GCI Unit Vector in Z (J2000)-0.287850
Galactic Longitude353.55°
Galactic Latitude
27.72°
Observational Data
Observed Visual Magnitude (V)4.13
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.002
Observed B Magnitude5.15
Observed B-V Colour+1.022
Observed B Magnitude or (B-V) Magnitude Uncertainty0.003
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude4.3
Observed Photographic Magnitude5.3
Morgan Keenan (MK) Spectral TypeG9IIIb
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))

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