Astronomy
Constellations - Libra - 8alp1Lib

 
Identification Data
Common Name
ConstellationLibra
Star Name8alp1Lib
Skymap Number14500102
Henry Draper (HD) Number130819
Harvard Revised (HR) Number5530
SAO Number158836
Durchmusterung (DM) NumberSD-15 3965
Washington Double Stars (WDS) Number
14509-1603
Positional Data
Position and Proper Motion (PPM) Number229365
Right Ascension (RA) J200014h 50m 41.181s
Declination (Dec) J2000-15° 59' 50.053"
Position Uncertainty0.0099s
Proper Motion in RA (J2000)/cos(Dec)-0.00943
Proper Motion in Dec (J2000)-0.059566
Radial Velocity-023.0km s-1
Trigonometric Parallax+0.04226s
Trigonometric Parallax Uncertainty0.00104s
GCI Unit Vector in X (J2000)-0.706778
GCI Unit Vector in Y (J2000)-0.651548
GCI Unit Vector in Z (J2000)-0.275591
Galactic Longitude340.32°
Galactic Latitude
38.07°
Observational Data
Observed Visual Magnitude (V)5.15
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.005
Observed B Magnitude5.55
Observed B-V Colour+0.401
Observed B Magnitude or (B-V) Magnitude Uncertainty0.006
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude5.3
Observed Photographic Magnitude5.8
Morgan Keenan (MK) Spectral TypeF4IV
One-Dimensional Spectral ClassF5
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