Astronomy
Constellations - Libra - 45lam Lib

 
Identification Data
Common Name
ConstellationLibra
Star Name45lam Lib
Skymap Number15530045
Henry Draper (HD) Number142096
Harvard Revised (HR) Number5902
SAO Number183895
Durchmusterung (DM) NumberSD-19 4249
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number264819
Right Ascension (RA) J200015h 53m 20.058s
Declination (Dec) J2000-20° 10' 1.345"
Position Uncertainty0.0398s
Proper Motion in RA (J2000)/cos(Dec)-0.00026
Proper Motion in Dec (J2000)-0.019066
Radial Velocity+006.0km s-1
Trigonometric Parallax+0.00915s
Trigonometric Parallax Uncertainty0.00104s
GCI Unit Vector in X (J2000)-0.492788
GCI Unit Vector in Y (J2000)-0.798938
GCI Unit Vector in Z (J2000)-0.344758
Galactic Longitude350.73°
Galactic Latitude
25.38°
Observational Data
Observed Visual Magnitude (V)5.03
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.003
Observed B Magnitude5.00
Observed B-V Colour-0.029
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 Magnitude5.1
Observed Photographic Magnitude4.9
Morgan Keenan (MK) Spectral TypeB2.5V
One-Dimensional Spectral ClassB3
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