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Table 1
The numbers of filaments (Nfil) and galaxies in filaments (Ngal) in various subsamples.
| Sample | N fil | N gal |
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|
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| All galaxies (dfil< 0.5 h-1 Mpc) | 2150 | 41 543 |
| All galaxies (dfil< 0.25 h-1 Mpc) | 1752 | 26 830 |
| Groups (Nrich ≥ 1; dfil< 0.5 h-1 Mpc) | 1943 | 15 874 |
| Groups (Nrich ≥ 1; dfil< 0.25 h-1 Mpc) | 1493 | 10 492 |
| Groups (Nrich ≥ 2; dfil< 0.5 h-1 Mpc) | 759 | 4667 |
| Groups (Nrich ≥ 2; dfil< 0.25 h-1 Mpc) | 401 | 2323 |
| Groups (Nrich ≥ 3; dfil< 0.5 h-1 Mpc) | 211 | 1196 |
| Groups (Nrich ≥ 3; dfil< 0.25 h-1 Mpc) | 111 | 606 |
Notes. Only filaments longer than 15 h-1 Mpc and containing at least ten galaxies (or five groups) are considered. Nrich denotes the number of galaxies in groups (richness) and dfil is the galaxy/group distance from the filament spine.
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