Showing papers by "Warrick J. Couch published in 1991"
TL;DR: In this paper, a catalogue of faint southern galaxy clusters, identified from examination of high-contrast film derivatives of a set of 55 prime focus AAT photographic plates taken in one or both of two pass-bands (J = b J and F = r F ), is presented.
Abstract: A new catalogue of faint southern galaxy clusters, identified from examination of high-contrast film derivatives of a set of 55 prime focus AAT photographic plates taken in one or both of two pass-bands (J = b J and F = r F ), is presented. Visual scans of these films have been compared with machine measurements of the original plates and the results demonstrate that the films offer ready access to the positions of large numbers of faint objects to limiting magnitudes of J ≃ 24.4 ± 0.3 and F ≃ 22.9±0.2. A total of 112 candidates clusters are tabulated down to a contrast level of 2.0. Cross-correlations with published catalogues and spectroscopic measurements confirm that the bulk of these clusters are more distant than those found by Abell and co-workers
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