Table 2: Summary of observational data for the two runs. Lines characteristics are presented, spectra are shown in Fig. 8. $I_{\rm CO}$ (Col. 8) were evaluated from a Gaussian fit of the CO(1-0) and CO(2-1) lines for detections and hints of detections. $I_{\rm CO}$ upper limits were evaluated by equation 2 for non-detections. A detection is asserted in one transition line when the peak of the Gaussian fit is above three times the rms (in 55 km s-1 channels) and a hint of detection when it is between two and three times the rms. To claim a cold molecular gas detection, we require a detection in both transition lines. A possible detection was claimed when was present a detection in one transition line or a hint of detection in both lines, unless the line appear clearly in one transition only (Abell 262, Abell 1068, Zw8193).
Source Line Peak Rms Line Line Line $I_{\rm CO}$
    mK mK detection position (km s-1) width (km s-1) K km s-1
A85* CO(1-0) - 0.9 no - 300$^\star$ $\le$0.35
Z235 CO(1-0) $1.9\pm0.2$ 0.8 hint -$258\pm48$ $318\pm103$ $0.66\pm0.19$
  CO(2-1) - 1.7 no - 300$^\star$ $\le$0.65
A262* CO(1-0) $2.9\pm0.5$ 0.8 yes $31\pm24$ $346\pm47$ $1.05\pm0.14$
A291* CO(1-0) - 0.9 no - 300$^\star$ $\le$0.35
A496 CO(1-0) $1.5\pm0.5$ 0.7 hint $382\pm39$ $311\pm73$ $0.49\pm0.12$
  CO(2-1) $3.0\pm0.7$ 1.1 hint $114\pm29$ $249\pm52$ $0.80\pm0.18$
RX J0439+05 CO(1-0) - 0.72 no - 300$^\star$ $\le$0.28
PKS 0745-191 CO(1-0) $2.0\pm0.3$ 0.6 yes $18\pm29$ $221\pm58$ $0.47\pm0.11$
  CO(2-1) $11.2\pm0.8$ 2.1 yes -$45\pm15$ $215\pm41$ $2.57\pm0.38$
A644* CO(1-0) $1.1\pm0.4$ 0.7 no -$10\pm55$ $260\pm77$ $\le$0.27
  CO(2-1) - 3.1 no - 300$^\star$ $\le$1.12
RX J0821+07 CO(1-0) $8.9\pm0.6$ 1.1 yes -2$\pm$ 8 $135\pm21$ $1.28\pm0.16$
  CO(2-1) $9.9\pm1.5$ 2.9 yes $5\pm34$ $270\pm81$ $2.86\pm0.60$
A646 CO(1-0) $1.5\pm0.1$ 0.5 yes $105\pm39$ $376\pm121$ $0.62\pm0.15$
  CO(2-1) $1.9\pm1.0$ 1.6 no $46\pm54$ $346\pm123$ $\le$0.62
A780 CO(1-0) $1.8\pm0.5$ 0.6 yes $219\pm31$ $439\pm68$ $0.80\pm0.11$
  CO(2-1) - 1.8 no - 300$^\star$ $\le$0.69
A978 CO(1-0) $1.8\pm0.7$ 1.0 no -$128\pm49$ $221\pm87$ $\le$0.39
  CO(2-1) - 2.1 no - 300$^\star$ $\le$0.80
A1068* CO(1-0) $10.1\pm0.3$ 0.5 yes -$45\pm4$ $249\pm10$ $2.66\pm0.1$
A1668 CO(1-0) - 1.2 no - 300$^\star$ $\le$0.46
  CO(2-1) $2.4\pm1.6$ 1.7 no $9\pm64$ $281\pm125$ $\le$0.65
A1795 CO(1-0) $3.4\pm0.7$ 0.9 yes -$190\pm28$ $405\pm56$ $1.47\pm0.19$
  CO(2-1) $6.1\pm1.0$ 1.8 yes -$128\pm31$ $500\pm65$ $3.26\pm0.39$

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