| Cluster Selection Criteria (Abell) |
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| • | Distance Criteria: Lower
redshift limit (z = |
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| 0.02)
to force clusters onto 1 plate.
Upper |
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| limit
due to mag limit of POSS, which |
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| matches
z of about 0.2. Distance
classes based |
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| on
magnitude of 10th member: |
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