ARCS, The Arcminute Radio Cluster-lens Search - I. Selection Criteria and Initial Results
P. M. Phillips; I. W. A. Browne; P. N. Wilkinson · 2000 · arXiv
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Abstract (excerpt)
We present the results of an unbiased radio search for gravitational lensing events with image separations between 15 and 60 arcsec, which would be associated with clusters of galaxies with masses >10^{13-14}M_{\sun}. A parent population of 1023 extended radio sources stronger than 35 mJy with stellar optical identifications was selected using the FIRST radio catalogue at 1.4 GHz and the APM optical catalogue. The FIRST catalogue was then searched for companions to the parent sources stronger than 7 mJy and with separation in the range 15 to 60 arcsec. Higher resolution observations of the res
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Metadata source: arXiv