(J2000)       (arcmin)     (arcmin)              ($10^{44}$ergs$^{-1}$)
  A1835              14 01 01.99     02 53 12.8       0.02         0.53        0.25            38.53
  ZWCL1953           08 50 03.00     36 04 16.0      -0.80         -0.04       0.32            34.12
  *A689*            *08 37 25.01*   *14 59 40.9*      *-*           *-*       *0.28*       *30.41 (1.66)*
  ZWCL3146           10 23 35.98     04 11 56.0      -0.90         0.75        0.29            26.47
  RXJ1532.9+3021     15 32 58.99     30 21 11.2       1.13         0.20        0.35            24.40
  A2390              21 53 34.61     17 40 10.9      -0.50         -1.56       0.23            21.44
  A2219              16 40 21.80     46 42 47.8       0.24         0.30        0.23            20.40
  RXJ2129.6+0005     21 29 40.50     00 05 49.9       0.11         0.51        0.24            18.59
  A2261              17 22 27.00     32 07 04.1      -0.03         -0.88       0.22            18.18
  A781               09 20 25.99     30 29 57.8      -0.04         -0.11       0.30            17.22
  A697               08 42 58.01     36 21 45.0       0.03         -0.20       0.28            16.30
  A1763              13 35 23.21     41 00 04.0       0.04         0.08        0.22            14.93
  A68                00 37 05.30     09 09 10.8      -0.20         -0.38       0.26            14.89
  A520               04 54 19.01     02 56 48.1       0.00         0.00        0.20            14.44
  A267               01 52 42.00     01 00 25.9      -0.02         -0.24       0.23            13.71
  RXJ0439.0+0715     04 39 01.01     07 16 54.8       0.08         0.85        0.23            13.25
  ZWCL7160           14 57 19.99     22 20 35.9       1.13         0.03        0.26            13.19
  A773               09 17 51.00     51 43 19.9      -0.32         