| Cluster Selection Criteria (Abell) |
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| � | Compactness Criterion:� Only
galaxies |
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| within
an angular radius of 1.7/z arcmin |
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| get
counted.� That corresponds to a |
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| physical
radius of 1.5 h-1 Mpc.� The |
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| redshifts
are (were) estimated based on |
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| the
apparent magnitude of the 10th |
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| brightest
cluster member. |
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