Information on radiosources
Download all (ASCII files):
last source physical characteristics
source designations
or see the following sites:
S/X maps (U.S. Naval Observatory, Astrometry Department)
S/X maps and structure indices (BVID, Laboratoire d'Astrophysique de Bordeaux)
time series of yearly astrometric positions (ICRS-PC)
or enter the source name (e.g., 1966+129, 4C39.23) :
or select a source below: