Astronomy
Constellations - Libra - 16 Lib

 
Identification Data
Common Name
ConstellationLibra
Star Name16 Lib
Skymap Number14570033
Henry Draper (HD) Number132052
Harvard Revised (HR) Number5570
SAO Number140240
Durchmusterung (DM) NumberSD-03 3696
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number198081
Right Ascension (RA) J200014h 57m 10.999s
Declination (Dec) J2000-4° 20' 47.263"
Position Uncertainty0.0113s
Proper Motion in RA (J2000)/cos(Dec)-0.00654
Proper Motion in Dec (J2000)-0.154666
Radial Velocity+021.7km s-1
Trigonometric Parallax+0.03583s
Trigonometric Parallax Uncertainty0.00091s
GCI Unit Vector in X (J2000)-0.713685
GCI Unit Vector in Y (J2000)-0.696355
GCI Unit Vector in Z (J2000)-0.075787
Galactic Longitude351.73°
Galactic Latitude
46.27°
Observational Data
Observed Visual Magnitude (V)4.47
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.002
Observed B Magnitude4.79
Observed B-V Colour+0.320
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 Magnitude4.4
Observed Photographic Magnitude4.9
Morgan Keenan (MK) Spectral TypeF0V
One-Dimensional Spectral ClassF0
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