Table 1
SDSS main sample used for the flux- and volume-limited samples.
| Sample | M r,lim | z lim | d lim | N gal | N groups | d mean | LL | b gal | in groups | # den | Weight |
| mag | h-1 Mpc | h-1 Mpc | h-1 Mpc | % | h3 Mpc-3 | ||||||
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | |
|
|
|||||||||||
| Flux-limited | 17.77a | 0.200 | 574.2 | 588 193 | 82458 | – | 0.23–0.5 | – | 47.9 | – | – |
| Vol-lim-18.0 | −18.0 | 0.045 | 135.0 | 49 860 | 7328 | 3.294 | 0.380 | 0.115 | 59.8 | 4.11 × 10-3 | 1.135 |
| Vol-lim-18.5 | −18.5 | 0.057 | 168.9 | 73 006 | 10 929 | 3.638 | 0.411 | 0.113 | 58.3 | 3.11 × 10-3 | 1.204 |
| Vol-lim-19.0 | −19.0 | 0.071 | 211.0 | 105 041 | 15 715 | 4.027 | 0.445 | 0.110 | 55.7 | 2.29 × 10-3 | 1.315 |
| Vol-lim-19.5 | −19.5 | 0.089 | 261.3 | 149 773 | 22 524 | 4.433 | 0.480 | 0.108 | 53.8 | 1.73 × 10-3 | 1.504 |
| Vol-lim-20.0 | −20.0 | 0.110 | 322.6 | 163 094 | 24 258 | 5.321 | 0.515 | 0.097 | 47.9 | 9.88 × 10-4 | 1.856 |
| Vol-lim-20.5 | −20.5 | 0.136 | 397.2 | 164 004 | 23 007 | 6.541 | 0.548 | 0.084 | 39.9 | 5.01 × 10-4 | 2.596 |
| Vol-lim-21.0 | −21.0 | 0.168 | 486.2 | 125 016 | 14 155 | 8.766 | 0.577 | 0.066 | 28.1 | 1.68 × 10-4 | 4.463 |
Notes. Columns are as follows: (1) absolute magnitude limit for volume-limited samples. (2) Maximum redshift. (3) Maximum comoving distance. (4) Number of galaxies in a sample. (5) Number of groups in a sample. (6) Mean pairwise separation of galaxies in comoving coordinates. (7) Used linking length (LL) in physical coordinates. (8) LL value in units of mean pairwise separation: bcom = bgal(1 + z). (9) Fraction of galaxies in groups. (10) Group number density. (11) Luminosity weight for volume-limited samples.
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