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Table 2

Overlap (comparing cluster names) of our detected OC groupings with the OC pairs proposed by de la Fuente Marcos & de la Fuente Marcos (2009b) in their Tables 1 and 2.

This work de la Fuente Marcos & de la Fuente Marcos (2009b)
Table 1 Table 2

Number of COCD Cluster Group Cluster Group Cluster
OC grouping number name number name number name

1 44 Alessi 13 1 Mamajek 1
204 Mamajek 1 Feigelson 1

2 61 Platais 4
68 Collinder 65

3 72 Collinder 69 2 Collinder 70 3 Collinder 70
73 NGC 1981 NGC 1981 σ Orionis
74 NGC 1976 3 NGC 1976 4 σ Orionis
75 NGC 1977 NGC 1981 NGC 1976
76 NGC 1980 4 ASCC 20 5 ASCC 20
77 Collinder 70 ASCC 16 Briceño
80 σ Orionis 6 ASCC 21 7 ASCC 21
91 Platais 6 ASCC 18 ASCC 18
95 NGC 2232
1016 ASCC 16
1018 ASCC 18
1019 ASCC 19
1020 ASCC 20
1021 ASCC 21
1024 ASCC 24

4 125 Alessi 21
147 NGC 2422

5 126 Collinder 132
133 Collinder 135
136 Collinder 140
162 NGC 2451B
183 NGC 2547

6 159 NGC 2451A
202 IC 2391
218 Platais 9

7 163 NGC 2447 21 NGC 2447 15 NGC 2447
164 NGC 2448 NGC 2448 NGC 2448

8 182 Vel OB2
190 vdBergh-Hagen 23
210 Trumpler 10
1048 ASCC 48

9 216 Platais 8
259 IC 2602

10 245 Loden 143
255 vdBergh-Hagen 99
1058 ASCC 58

11 333 Loden 915
349 ESO 175-06

12 392 NGC 6281 5 NGC 6405 6 NGC 6405
408 NGC 6405 ASCC 90 ASCC 90

13 455 Collinder 394
457 NGC 6716

14 456 Stephenson 1 1 ASCC 100 2 ASCC 100
1100 ASCC 100 ASCC 101 ASCC 101

15 466 Turner 9
1110 ASCC 110

16 476 NGC 6871 30 NGC 6871
477 Biurakan 1 Biurakan 1

17 478 Biurakan 2 22 Ruprecht 172 17 Ruprecht 172
488 NGC 6913 Biurakan 2 Biurakan 2

18 500 IC 1396
501 NGC 7160

19 509 NGC 7438
1115 ASCC 115

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