Open Access

Table 1

Number of structures of each class inside NGC 2264 with the numbers of clumps and YSOs inside each of them.

Structures
Hierarchical Linear Isolated Total
Number 23 135 176 334
YSOs included 45 24 18 87
70 μm 69 77 85 231
160 μm 52 91 59 202
Clumps 250 μm 33 84 9 126
included 350 μm 25 63 4 92
500 μm 16 29 1 46
Total 195 344 158 697
YSOs + clumps 240 368 176 784
Graph-sinks 94 135 X 229
Graph-sources 34 135 X 169

Notes. An X indicates the absence of graph-sinks and graph-sources within isolated structures as these structures do not contain them by definition.

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