Radio stars for linking celestial reference frames

Radio stars play a key role in establishing the link between optical reference frames and the conventional celestial reference frame based on extragalactic radio sources. The relevant astrometric, astrophysical and radio quantities are compiled of 66 cardinal radio stars currently suited to frame connection and maintenance of the link. The catalogue entries are supplied with ample bibliographical codes and annotations for easy data retrieval. The catalogue is available electronically at the CDS via anonymous ftp 130.79.128.5 and via http://cdsweb.u-strasbg.fr/Abstract.html