Astronomy
Constellations - Libra - 24iot1Lib

 
Identification Data
Common Name
ConstellationLibra
Star Name24iot1Lib
Skymap Number15120029
Henry Draper (HD) Number134759
Harvard Revised (HR) Number5652
SAO Number159090
Durchmusterung (DM) NumberSD-19 4047
Washington Double Stars (WDS) Number
15122-1948
Positional Data
Position and Proper Motion (PPM) Number229892
Right Ascension (RA) J200015h 12m 13.290s
Declination (Dec) J2000-19° 47' 30.158"
Position Uncertainty0.0112s
Proper Motion in RA (J2000)/cos(Dec)-0.00252
Proper Motion in Dec (J2000)-0.032666
Radial Velocity-011.6km s-1
Trigonometric Parallax+0.00866s
Trigonometric Parallax Uncertainty0.00098s
GCI Unit Vector in X (J2000)-0.628929
GCI Unit Vector in Y (J2000)-0.699855
GCI Unit Vector in Z (J2000)-0.338602
Galactic Longitude342.69°
Galactic Latitude
32.00°
Observational Data
Observed Visual Magnitude (V)4.56
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.004
Observed B Magnitude4.48
Observed B-V Colour-0.082
Observed B Magnitude or (B-V) Magnitude Uncertainty0.005
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude4.7
Observed Photographic Magnitude4.7
Morgan Keenan (MK) Spectral TypeA0pSi
One-Dimensional Spectral ClassA0
Position Angle
Year of Observation1992. 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