Astronomy
Constellations - Libra - 20sig Lib (Brachium)

 
Identification Data
Common NameBrachium
ConstellationLibra
Star Name20sig Lib
Skymap Number15040009
Henry Draper (HD) Number133216
Harvard Revised (HR) Number5603
SAO Number183139
Durchmusterung (DM) NumberCD-2411834
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number263746
Right Ascension (RA) J200015h 4m 4.215s
Declination (Dec) J2000-25° 16' 55.073"
Position Uncertainty0.0153s
Proper Motion in RA (J2000)/cos(Dec)-0.00530
Proper Motion in Dec (J2000)-0.044766
Radial Velocity-004.3km s-1
Trigonometric Parallax+0.01117s
Trigonometric Parallax Uncertainty0.00098s
GCI Unit Vector in X (J2000)-0.627922
GCI Unit Vector in Y (J2000)-0.650632
GCI Unit Vector in Z (J2000)-0.427073
Galactic Longitude337.23°
Galactic Latitude
28.62°
Observational Data
Observed Visual Magnitude (V)3.28
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.010
Observed B Magnitude4.90
Observed B-V Colour+1.621
Observed B Magnitude or (B-V) Magnitude Uncertainty0.013
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude3.4
Observed Photographic Magnitude
Morgan Keenan (MK) Spectral TypeM2.5III
One-Dimensional Spectral ClassM0
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