\begin{table}%t1 \caption{\label{tab:data}Number of galaxies in each CFHTLS field and subfield we studied.} \par %\centering \small \begin{tabular}{rrrr} \hline\hline\noalign{\smallskip} Field & Subfield & Coordinates & Nb of galaxies \\ \hline D2 & & 100000+021220 & 376~224 \\ D3 & & 141754+523031 & 500~307 \\ D4 & & 221531-174405 & 458~296 \\ W1 & 1 & 021410-041200 & 221~291 \\ W1 & 2 & 021410-050800 & 216~063 \\ W1 & 3 & 021800-041200 & 218~959 \\ W1 & 4 & 021800-050800 & 237~444 \\ W1 & 5 & 021800-060400 & 221~110 \\ W1 & 6 & 022150-041200 & 224~493 \\ W1 & 7 & 022150-050800 & 205~990 \\ W1 & 8 & 022150-060400 & 218~958 \\ W1 & 9 & 022539-041200 & 228~258 \\ W1 & 10 & 022539-050800 & 195~797 \\ W1 & 11 & 022539-060400 & 177~252 \\ W1 & 12 & 022929-041200 & 181~313 \\ W1 & 13 & 022929-050800 & 201~348 \\ W1 & 14 & 022929-060400 & 183~899 \\ W1 & 15 & 022929-070000 & 195~285 \\ W1 & 16 & 023319-041200 & 220~113 \\ W1 & 17 & 023319-050800 & 198~918 \\ W1 & 18 & 023319-060400 & 200~125 \\ W1 & 19 & 023319-070000 & 190~473 \\ W3 & 1 & 135955+523831 & 241~036 \\ W3 & 2 & 140555+523831 & 226~221 \\ W3 & 3 & 141154+523831 & 208~163 \\ W3 & 4 & 141201+514231 & 204~033 \\ W4 & 1 & 220930+002300 & 231~078 \\ W4 & 2 & 220930-003100 & 204~257 \\ W4 & 3 & 221318+002300 & 235~100 \\ W4 & 4 & 221318-003100 & 230~770 \\ W4 & 5 & 221318+011900 & 210~846 \\ W4 & 6 & 221706+002300 & 207~861 \\ W4 & 7 & 221706-003100 & 171~636 \\ W4 & 8 & 221706+011900 & 213~383 \\ W4 & 9 & 222054+002300 & 197~228 \\ W4 & 10 & 222054-003100 & 215~437 \\ W4 & 11 & 222054+011900 & 221~290 \\ \hline \end{tabular} \tablefoot{The considered magnitude limit is $i'=23$ for the wide fields and $i'=25$ for the deep fields.} \end{table}