\begin{table}%t4
\caption{\label{tbl:clusters}Clusters.}
\small%%\centering
\par
\begin{tabular}{ccccccccc}
\hline\hline\noalign{\smallskip}
Cluster & Redshift & ObsID & Filtered & Original & 0.35--1.25~keV & 2.0--8.0~keV 
& $\chi^2_\nu$ & $\nu$ \\ 
 & &  & exposure & exposure & band scaling & band scaling \\ 
 & &  & (s) & (s) & (cnts s$^{-2}$ deg$^{-2}$) & (cnts s$^{-2}$ deg$^{-2}$) \\
\hline
  \object{2A 0335+096} & 0.0329 & 0147800201 & 74~890.7 & 95~962.0 & 4500 & 1700 & 1.48 & 5002 \\
\object{A13} & 0.1035  & 0200270101 & 33~379.5 & 33~870.7 & 200 & 120 & 1.03 & 1063 \\
\object{A68} & 0.2481  & 0084230201 & 23~818.7 & 29~567.6 & 350 & 200 & 1.25 & 704 \\
\object{A85} & 0.0520  & 0065140101 & 12~012.2 & 12~524.4 & 5000 & 1800 & 2.02 & 1836 \\
\object{A133} & 0.0575 & 0144310101 & 19~042.1 & 33~670.5 & 2800 & 700 & 1.17 & 1306 \\
\object{A209} & 0.2116 & 0084230301 & 16~847.6 & 21~796.1 & 400 & 290 & 0.99 & 643 \\
\object{A262} & 0.0140 & 0109980101 & 22~256.9 & 23~897.0 & 1900 & 200 & 1.26 & 2067 \\
\object{A383} & 0.1874 & 0084230501 & 25~444.9 & 33~379.3 & 3000 & 1000 & 1.08 & 942 \\
\object{A399} & 0.0644 & 0112260101 & 10~807.6 & 14~297.6 & 200 & 200 & 1.03 & 809 \\
\object{A400} & 0.0220 & 0404010101 & 29~906.9 & 38~620.9 & 200 & 130 & 1.10 & 1431 \\
\object{A478} & 0.0808 & 0109880101 & 49~696.1 & 56~249.2 & 3500 & 4000 & 1.27 & 4913 \\
\object{A496} & 0.0293 & 0135120201 & 15~845.2 & 29~448.0 & 3500 & 1400 & 1.19 & 2625 \\
\object{A520} & 0.1946 & 0201510101 & 27~227.4 & 46~371.6 & 200 & 150 & 1.15 & 1140 \\
\object{A576} & 0.0420 & 0205070301 & 87~52.0 & 21~671.3 & 300 & 140 & 1.04 & 528 \\
\object{A665} & 0.1788 & 0109890501 & 49~696.9 & 78~487.2 & 500 & 300 & 1.21 & 2117 \\
\object{A773} & 0.2161 & 0084230601 & 12~332.1 & 15~082.8 & 350 & 300 & 1.28 & 464 \\
\object{A1060} & 0.0131 & 0206230101 & 32~724.8 & 63~773.6 & 400 & 200 & 1.24 & 3165 \\
\object{A1068} & 0.1471 & 0147630101 & 19~188.9 & 29~669.0 & 1000 & 400 & 1.03 & 852 \\
\object{A1413} & 0.1349 & 0112230501 & 23~397.2 & 25~922.4 & 1000 & 500 & 1.09 & 1311 \\
\object{A1589} & 0.0722 & 0149900301 & 15~121.6 & 17~170.7 & 150 & 50 & 1.19 & 550 \\
\object{A1650} & 0.0812 & 0093200101 & 34~006.0 & 42~534.0 & 1200 & 800 & 1.10 & 2470 \\
\object{A1689} & 0.1809 & 0093030101 & 34~530.0 & 39~169.6 & 2700 & 1900 & 1.17 & 2031 \\
\object{A1775} & 0.0754 & 0108460101 & 22~065.8 & 32~003.9 & 500 & 200 & 1.18 & 1042 \\
\object{A1795} & 0.0614 & 0097820101 & 35~144.6 & 50~011.7 & 5000 & 2000 & 1.25 & 3958 \\
\object{A1835} & 0.2490 & 0098010101 & 24~849.0 & 40~635.5 & 4000 & 2000 & 1.12 & 1301 \\
\object{A1835} a$^8$ & 0.2454 & 147330201 & 27~895.1 
      & 83~817.3 & $-$$^9$ & $-$ & 1.17 & 1465 \\
\object{A1837} & 0.0663 & 0109910101 & 46~233.9 & 49~031.5 & 500 & 200 & 1.14 & 1529 \\
\object{A1914} & 0.1735 & 0112230201 & 19~219.6 & 25~571.4 & 1000 & 700 & 1.15 & 1334 \\
\object{A1991} & 0.0642 & 0145020101 & 22~620.9 & 41~790.5 & 2000 & 500 & 1.33 & 1184 \\
\object{A2029} & 0.0728 & 0111270201 & 11~088.8 & 17~846.7 & 4000 & 3000 & 1.18 & 2195 \\
\object{A2052} & 0.0333 & 0109920101 & 28~743.7 & 30~397.0 & 4000 & 1000 & 1.37 & 2759 \\
\object{A2065} & 0.0728 & 0202080201 & 19~205.3 & 33~870.7 & 800 & 500 & 1.09 & 1444 \\
\object{A2163} & 0.2021 & 0112230601 & 10~177.1 & 15~766.7 & 400 & 550 & 1.16 & 760 \\
\object{A2199} & 0.0277 & 0008030201 & 14~190.8 & 20~051.5 & 2500 & 1000 & 1.24 & 2745 \\
\object{A2204} & 0.1512 & 0112230301 & 18~367.1 & 22~097.7 & 4000 & 3000 & 1.30 & 1687 \\
\object{A2218} & 0.1723 & 0112980101 & 17~673.1 & 18~169.1 & 300 & 200 & 1.30 & 709 \\
\object{A2256} & 0.0530 & 0141380201 & 10~233.8 & 18~369.3 & 300 & 200 & 1.24 & 987 \\
\object{A2319} & 0.0519 & 0302150101 & 15~145.8 & 16~668.9 & 650 & 650 & 2.51 & 2672 \\
\object{A2589} & 0.0417 & 0204180101 & 22~934.0 & 46~670.6 & 400 & 200 & 1.10 & 1574 \\
\object{A2597} & 0.0804 & 0147330101 & 46~726.9 & 104~451.1 & 5000 & 2000 & 1.13 & 2388 \\
\object{A2626} & 0.0549 & 0148310101 & 38~306.4 & 41~119.6 & 1000 & 400 & 1.11 & 1746 \\
\object{A2667} & 0.2205 & 0148990101 & 17~682.8 & 30~914.4 & 3500 & 1500 & 1.21 & 863 \\
\object{A2717} & 0.0510 & 0145020201 & 47~414.8 & 54~010.5 & 500 & 100 & 1.20 & 1668 \\
\object{A3112} & 0.0723 & 0105660101 & 22~271.5 & 23~247.0 & 6000 & 2500 & 1.24 & 1919 \\
\object{A3158} & 0.0609 & 0300210201 & 19~076.9 & 22~149.7 & 400 & 300 & 1.37 & 1755 \\
\object{A3526} & 0.0054 & 0046340101 & 43~699.3 & 47~182.9 & 5000 & 1000 & 2.32 & 5031 \\
\object{A3558} & 0.0459 & 0107260101 & 40~643.4 & 44~026.4 & 600 & 400 & 1.23 & 3601 \\
\object{A3560} & 0.0429 & 0205450201 & 27~009.7 & 45~271.8 & 150 & 70 & 1.10 & 1261 \\
\object{A3581} & 0.0225 & 0205990101 & 33~930.6 & 43~670.2 & 2400 & 500 & 1.40 & 2206 \\
\object{A3827} & 0.0959 & 0149670101 & 21~024.9 & 24~970.8 & 500 & 400 & 1.23 & 1437 \\
\object{A3888} & 0.1537 & 0201903101 & 23~250.1 & 30~469.8 & 500 & 400 & 1.08 & 1564 \\
\object{A3911} & 0.0958 & 0149670301 & 22~883.3 & 27~269.2 & 200 & 150 & 1.02 & 1236 \\
\object{A3921} & 0.0919 & 0112240101 & 28~488.8 & 30~763.6 & 400 & 300 & 1.10 & 1467 \\
\object{A4059} & 0.0467 & 0109950201 & 22~581.2 & 24~398.8 & 1200 & 400 & 1.18 & 1952 \\
\object{AWM 7}        & 0.0155 & 0135950301 & 29~418.7 & 31~621.6 & 1000 & 500 & 1.35 & 3793 \\
\object{Coma}         & 0.0218 & 0124711401 & 16~195.8 & 23~598.0 & 500 & 300 & 1.15 & 3692 \\
\object{E1455+2232}   & 0.2583 & 0108670201 & 33~785.9 & 39~993.7 & 1600 & 1800 & 1.25 & 1100 \\
\object{EXO0422}      & 0.0336 & 0300210401 & 38~373.1 & 41~070.2 & 3000 & 1500 & 1.26 & 2402 \\
\object{Hydra}        & 0.0521 & 0109980301 & 17~944.5 & 31~546.3 & 4000 & 2000 & 1.29 & 2180 \\
\object{Klemola 44}   & 0.0286 & 0204460101 & 29~668.9 & 29~669.0 & 1200 & 500 & 1.28 & 2757 \\
\object{M87}          & 0.0042 & 0114120101 & 35~931.1 & 39~551.8 & 15~000 & 3000 & 3.71 & 5401 \\
\object{MKW 3S}       & 0.0417 & 0109930101 & 33~244.3 & 51~038.7 & 1900 & 800 & 1.24 & 2699 \\
\object{MKW 4}        & 0.0214 & 0093060101 & 13~585.2 & 15~368.8 & 1000 & 200 & 1.26 & 673 \\
\object{Perseus}      & 0.0148 & 0305780101 & 10~1982.0 & 12~4869.2 & 15~000 & 15~000 & 3.63 & 10~095 \\
\hline
\object{Perseus} a$^{10}$    
                      & 0.0147 & 0085110101 & 47~272.9 & 53~646.5 & $-$ & $-$ & 2.48 & 8982 \\
\object{PKS 0745-19}  & 0.0986 & 0105870101 & 18~043.2 & 26~946.8 & 3000 & 5000 & 1.24 & 1872 \\
\object{RXCJ0605.8-3518} & 0.1367 & 201901001 & 17~798.1 & 26~668.6 & 3000 & 1500 & 1.30 & 904 \\
\object{RXJ0658-55}   & 0.3069 & 0112980201 & 21~464.2 & 42~770.6 & 600 & 400 & 1.22 & 961 \\
\object{RXJ1347-1145} & 0.4477 & 0112960101 & 30~122.7 & 38~121.7 & 4000 & 3000 & 1.29 & 1290 \\
\object{S\'ersic 159-3} & 0.0563 & 0147800101 & 81~339.4 & 122~209.4 & 3500 & 1000 & 1.51 & 3488 \\
\object{S\'ersic 159-3} a$^{11}$      
                      & 0.0564 & 0123900101 & 30~643.1 & 60~996.9 & $-$ & $-$ & 1.14 & 1982 \\
\object{Triangulum}   & 0.0478 & 0093620101 & 91~68.9 & 14~497.8 & 500 & 600 & 1.02 & 1890 \\
\object{ZW3146}       & 0.2817 & 0108670101 & 51~450.6 & 53~597.1 & 4000 & 2000 & 1.36 & 1802 \\
\hline
\end{tabular}
\smallskip
$^8$  Second observation.\\
$^9$  Dashes indicate that the cluster was 
      not plotted.\\
  $^{10}$  Second observation, under the name Abell 426 in the archive.\\
   $^{11}$  Second observation, under the name AS 1101 in the archive.     
\end{table}