\begin{table}%tA3 \caption{\label{upl}Upper limits to count rate, \mbox{X-ray} flux and luminosity in the 0.3--10~keV for the ISOCAM YSOs \citep{Bontemps01} undetected in the DROXO field of view. Count rates are scaled to MOS detector units as in Table~\ref{tabdet} (see Sect.~\ref{pwxdet}). Class~III candidates from Bo01 are indicated by ``III?''. Fluxes and luminosities are calculated by assuming a conversion factor from count rates of $cf = 6.1\times 10^{-11}$ and a distance of 120~pc. For ISOCAM nr. 92 (WL~16) we have taken into account the large absorption toward this star ($A_{\rm V} \sim 30$~mag, cf. Sect.~6.2).} \begin{tabular}{l l l l l l l l } \hline\hline \noalign{\smallskip} RA & Dec & ISOCAM nr. & Class~& Lim. rate & Exposure time & $\log F_{\rm X}$ & $\log L_{\rm X}$ \\ J2000 & J2000 & & & ct/ks & ks & erg s$^{-1}$~cm$^{-2}$ & erg s$^{-1}$ \\ \hline 16:26:30.9 & --24:31:07 & 47 & III? & 0.798 & 114.8 & 4.87e-14 & 28.92 \\ 16:26:40.7 & --24:30:53 & 55 & III? & 0.563 & 186.3 & 3.44e-14 & 28.77 \\ 16:26:41.6 & --24:40:15 & 56 & II & 0.292 & 350.6 & 1.78e-14 & 28.49 \\ 16:26:42 & --24:33:24 & 58 & III & 0.393 & 267.3 & 2.4e-14 & 28.62 \\ 16:26:42.1 & --24:31:02 & 59 & II & 0.456 & 225 & 2.78e-14 & 28.68 \\ 16:26:52.1 & --24:30:39 & 75 & II & 0.41 & 254.7 & 2.5e-14 & 28.63 \\ 16:26:53.6 & --24:32:36 & 76 & II & 0.348 & 305.8 & 2.12e-14 & 28.56 \\ 16:26:56.7 & --24:28:38 & 82 & III? & 0.514 & 188.6 & 3.14e-14 & 28.73 \\ 16:26:58.3 & --24:37:40 & 85 & II & 0.328 & 300.9 & 2e-14 & 28.54 \\ 16:27:02.5 & --24:37:30 & 92 & II & 0.222 & 490.7 & 2.31e-13 & 29.60 \\ 16:27:04.1 & --24:28:33 & 95 & II & 1.163 & 67.7 & 7.09e-14 & 29.09 \\ 16:27:05.4 & --24:36:31 & 99 & I & 0.218 & 481.6 & 1.33e-14 & 28.36 \\ 16:27:05.7 & --24:40:12 & 100 & III? & 0.214 & 470.4 & 1.31e-14 & 28.35 \\ 16:27:07.9 & --24:40:27 & 104 & III? & 0.192 & 581.6 & 1.17e-14 & 28.31 \\ 16:27:09.6 & --24:29:55 & 109 & III? & 0.413 & 239.6 & 2.52e-14 & 28.64 \\ 16:27:10.3 & --24:33:22 & 111 & III? & 0.308 & 329 & 1.88e-14 & 28.51 \\ 16:27:12.1 & --24:34:48 & 115 & II & 0.265 & 371.1 & 1.62e-14 & 28.45 \\ 16:27:14.6 & --24:26:55 & 118 & II & 0.803 & 57.3 & 4.9e-14 & 28.93 \\ 16:27:15.7 & --24:26:46 & 120 & II & 1.953 & 38.8 & 1.19e-13 & 29.31 \\ 16:27:24.3 & --24:41:46 & 136 & III? & 0.215 & 651.6 & 1.31e-14 & 28.35 \\ 16:27:24.8 & --24:41:03 & 137 & I & 0.224 & 651.6 & 1.37e-14 & 28.37 \\ 16:27:26.2 & --24:42:45 & 139 & II & 0.244 & 340.4 & 1.49e-14 & 28.41 \\ 16:27:36.3 & --24:28:34 & 158 & III? & 0.672 & 74.1 & 4.1e-14 & 28.85 \\ 16:27:41.8 & --24:46:45 & 170 & II & 0.255 & 462.1 & 1.56e-14 & 28.43 \\ 16:27:41.9 & --24:43:37 & 171 & II & 0.222 & 497 & 1.35e-14 & 28.37 \\ 16:27:43.7 & --24:43:07 & 173 & III? & 0.231 & 441.8 & 1.41e-14 & 28.39 \\ 16:27:45.9 & --24:37:60 & 174 & III? & 0.215 & 482.4 & 1.31e-14 & 28.35 \\ 16:27:46 & --24:44:52 & 175 & II & 0.236 & 469 & 1.44e-14 & 28.39 \\ 16:27:46.2 & --24:31:40 & 176 & II & 0.5 & 122.3 & 3.05e-14 & 28.72 \\ 16:27:50 & --24:44:15 & 179 & III? & 0.263 & 418.4 & 1.6e-14 & 28.44 \\ 16:27:50.3 & --24:39:01 & 181 & III? & 0.542 & 247.7 & 3.31e-14 & 28.76 \\ 16:27:57.8 & --24:36:01 & 189 & III? & 0.287 & 350.3 & 1.75e-14 & 28.48 \\ 16:28:05.5 & --24:33:55 & 192 & III? & 0.367 & 266.5 & 2.24e-14 & 28.59 \\ 16:28:16.8 & --24:37:04 & 196 & II & 0.963 & 49.2 & 5.88e-14 & 29.01 \\ 16:28:22.1 & --24:42:49 & 197 & II & 0.848 & 93.5 & 5.17e-14 & 28.95 \\ \hline \end{tabular} \end{table}