Free Access

Table 1

Overlap (comparing COCD numbers and names) of our detected OC groupings with the OC groups and complexes proposed by Piskunov et al. (2006) given with their membership probabilities.

Piskunov et al. (2006) This work Piskunov et al. (2006) This work

OCC1 members Groupings and their members OCC2 members Groupings and their members
COCD name % COCD name COCD name % COCD name

46 IC 348 84 1 44 Alessi 13 OCC2a
68 Collinder 65 100 204 Mamajek 1 96 Collinder 95 100 10 245 Loden 143
72 Collinder 69 100 2 61 Platais 4 141 NGC 2396 100 255 vdBH 99
73 NGC 1981 100 68 Collinder 65 144 NGC 2413 100 1058 ASCC 58
74 NGC 1976 100 3 72 Collinder 69 151 Ruprecht 27 100 11 333 Loden 915
76 NGC 1980 100 73 NGC 1981 161 Ruprecht 31 100 349 ESO 175-06
77 Collinder 70 100 74 NGC 1976 168 ESO 123-26 63
95 NGC 2232 100 75 NGC 1977 200 Ruprecht 65 100
126 Collinder 132 100 76 NGC 1980 246 Loden 89 100
182 Vel OB2 100 77 Collinder 70 247 Loden 59 61
190 vdBH 23 100 80 σ Orionis 276 NGC 3532 65
202 IC 2391 73 91 Platais 6 344 Loden 1194 72
204 Mamajek 1 100 95 NGC 2232 349 ESO 175-06 63
210 Trumpler 10 100 1016 ASCC 16 373 NGC 6124 100
261 Alessi 5 100 1018 ASCC 18 392 NGC 6281 100
412 IC 4665 100 1019 ASCC 19 419 NGC 6469 86
456 Stephenson 1 100 1020 ASCC 20 422 NGC 6494 100
1016 ASCC 16 100 1021 ASCC 21 1034 ASCC 34 100
1018 ASCC 18 100 1024 ASCC 24 1051 ASCC 51 100
1019 ASCC 19 100 5 126 Collinder 132 1059 ASCC 59 70
1020 ASCC 20 100 133 Collinder 135 1083 ASCC 83 100
1021 ASCC 21 100 136 Collinder 140 low probability
1127 ASCC 127 68 162 NGC 2451B 245 Loden 143 59
low probability 183 NGC 2547 333 Loden 915 24
75 NGC 1977 40 6 159 NGC 2451A OCC2b
80 σ Orionis 5 202 IC 2391 15 Platais 2 100 19 509 NGC 7438
91 Platais 6 1 218 Platais 9 514 Stock 12 100 1115 ASCC 115
133 Collinder 135 11 8 182 Vel OB2 1101 ASCC 101 100
136 Collinder 140 15 190 vdBH 23 1109 ASCC 109 100
159 NGC 2451A 36 210 Trumpler 10 1115 ASCC 115 100
162 NGC 2451B 19 1048 ASCC 48 1123 ASCC 123 100
216 Platais 8 27 9 216 Platais 8 1124 ASCC 124 100
259 IC 2602 13 259 IC 2602
14 456 Stephenson 1
1100 ASCC 100

Perseus-Auriga Group Groupings and their members Hyades Moving Group Groupings and their members
COCD name COCD name COCD name COCD name

37 NGC 1027 13 Alessi 1
40 Trumpler 3 201 Praesepe
43 King 6 459 NGC 6738
52 NGC 1582 461 NGC 6793
55 Alessi 2 462 NGC 6800
81 Stock 10 494 NGC 6991
1012 ASCC 12 502 NGC 7209
1023 ASCC 23 1099 ASCC 99

Notes. OCC2a and OCC2b are subgroups of the OCC2 structure from Piskunov et al. (2006), devided by the line along l ≈ 15° and l ≈ 195°.

Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.

Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.

Initial download of the metrics may take a while.