Physics
Scientific paper
Jul 1995
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995ycat..41150097v&link_type=abstract
VizieR On-line Data Catalog: J/A+AS/115/97. Originally published in: 1996A&AS..115...97V
Physics
Active Gal. Nuclei, Qsos
Scientific paper
From the measurement on the Digitized Sky Survey of the optical position of 153 QSOs with an accurate VLBI position, we have determined that the r.m.s. uncertainties of these measurements is about 0.6 arcsec in both coordinates over the whole sky, except for objects located near the edge of the plates. We have measured the optical position of 790 AGNs (or AGNs candidates). For many of these objects, the accuracy of the published optical position was one arcminute or worst. (3 data files).
Véron Pascal
Veron-Cetty M.-P.
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