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Astronomy
Constellations - Libra - 39ups Lib

 
Identification Data
Common Name
ConstellationLibra
Star Name39ups Lib
Skymap Number15370007
Henry Draper (HD) Number139063
Harvard Revised (HR) Number5794
SAO Number183619
Durchmusterung (DM) NumberCD-2710464
Washington Double Stars (WDS) Number
15370-2808
Positional Data
Position and Proper Motion (PPM) Number264451
Right Ascension (RA) J200015h 37m 1.449s
Declination (Dec) J2000-28° 8' 6.286"
Position Uncertainty0.0090s
Proper Motion in RA (J2000)/cos(Dec)-0.00100
Proper Motion in Dec (J2000)-0.003566
Radial Velocity-024.9km s-1
Trigonometric Parallax+0.01676s
Trigonometric Parallax Uncertainty0.00084s
GCI Unit Vector in X (J2000)-0.515138
GCI Unit Vector in Y (J2000)-0.715731
GCI Unit Vector in Z (J2000)-0.471552
Galactic Longitude341.89°
Galactic Latitude
21.95°
Observational Data
Observed Visual Magnitude (V)3.60
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.003
Observed B Magnitude4.99
Observed B-V Colour+1.385
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 Magnitude3.8
Observed Photographic Magnitude4.9
Morgan Keenan (MK) Spectral TypeK3.5III
One-Dimensional Spectral ClassK2
Position Angle162
Year of Observation1965. 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))

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