Table 3: Luminosity functions measured in each of the six rings. For each region, the table gives, as a function of the $m_{\rm 814}$magnitude, the number of stars per half-magnitude bin before ($N_{\rm o}$) and after (N) completeness correction and the uncertainty ( $\sigma _{\rm N}$) on N.
 Ring 1Ring 2Ring 3Ring 4Ring 5Ring 6
$m_{\rm 814}$$N_{\rm o}$ N $\sigma _{\rm N}$$N_{\rm o}$ N $\sigma _{\rm N}$$N_{\rm o}$ N $\sigma _{\rm N}$$N_{\rm o}$ N $\sigma _{\rm N}$$N_{\rm o}$ N $\sigma _{\rm N}$$N_{\rm o}$ N $\sigma _{\rm N}$
18.7578 82 996 99 10101 103 1084 85 960 60 711 11 3
19.25154 166 13188 195 15146 151 13121 123 1164 64 825 25 5
19.75190 209 16228 239 17196 203 15154 157 1386 86 935 35 6
20.25197 222 16229 241 17249 259 18195 199 15124 125 1131 31 5
20.75191 221 16244 257 18285 298 19237 242 17141 142 1242 42 6
21.25156 185 15246 260 18259 271 18224 230 16135 136 1237 37 6
21.75139 169 14199 211 16244 256 17223 229 16160 161 1340 40 6
22.25117 148 13215 230 16228 240 17224 231 16155 157 1343 43 6
22.75100 133 12193 208 15261 276 18255 264 18186 190 1445 46 6
23.2579 111 11198 216 16294 314 20324 338 21194 200 1573 75 8
23.7580 129 12183 206 15287 314 20293 311 20229 237 1773 75 9
24.2524 45 7113 131 12178 200 15208 224 16171 177 1441 42 6
24.75- - -70 82 998 111 11124 134 1299 103 1027 28 5


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