Table 3
Galaxies, galaxy groups and filaments in the core and in outskirts of A2142 supercluster.
| (1) | (2) | (3) | (4) | (5) | (6) | (7) | (8) | (9) | (10) | (11) |
|
|
||||||||||
| D8 | Ngal | f1 | Ngr10 | Ngr2−9 | Nfil | Mdyn | Mest | Lgr | M/L | Mest/L |
| [1015h-1M⊙] | [1015h-1M⊙] | [1012h-2L⊙] | [hM⊙/L⊙] | [hM⊙/L⊙] | ||||||
|
|
||||||||||
| Full scl | 1038 | 0.21 | 14 | 93 | 31 | 2.90 | 4.33 | 15.1 | 192 | 287 |
| ≥17 | 300 | 0.03 | 3 | 8 | 1 | 1.21 | 1.38 | 5.3 | 226 | 260 |
| 13−17 | 167 | 0.10 | 5 | 8 | 2 | 0.48 | 0.62 | 2.5 | 198 | 248 |
| 8−13 | 197 | 0.29 | 3 | 24 | 5 | 0.54 | 0.90 | 2.9 | 186 | 310 |
| ≤8 | 374 | 0.35 | 3 | 53 | 11 | 0.67 | 1.41 | 4.3 | 156 | 398 |
Notes. Columns are as follows: (1): Global density D8; (2): the number of galaxies in a region; (3): the fraction of single galaxies among all galaxies in a region; (4): the number of groups with at least ten member galaxies; (5): the number of groups with number of member galaxies 2 ≤ Ngal ≤ 9; (6): the number of galaxy filaments fully embedded in a given region; (7): the total dynamical mass of groups (in case of groups with 2 and 3 member galaxies we use median mass); (8): the total estimated mass of a region (including faint groups and intracluster gas, see text); (9): total luminosity of groups; (10): mean mass-to-light ratio of groups in the region; (11): mean estimated mass-to-light ratio of the region (see text for details).
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