Table 1.
Summary of the statistical results.
| Average |
Median |
||||||||
|---|---|---|---|---|---|---|---|---|---|
| FR 0 | FR I | sFR I | FRICAT | FR 0 | FR I | sFR I | FRICAT | K.S. (P) | |
| z | 0.037 | 0.035 | 0.034 | 0.036 | 0.039 | 0.034 | 0.034 | 0.032 | (0.360) |
| Mr | −21.97 | −22.48 | −22.39 | −22.63 | −22.05 | −22.52 | −22.39 | −22.63 | T (0.000) |
 |
21.95 | 47.87 | 52.86 | 40.11 | 13 | 44 | 46 | 38 | T (0.002) |
 |
13.61 | 23.91 | 21.71 | 27.33 | 7 | 21 | 22 | 17 | T (0.002) |
| Ngal | 17.43 | 30.83 | 17.86 | 51.00 | 8 | 19 | 17 | 43 | T (0.001) |
| log Σ5 | −4.74 | −4.46 | −4.50 | −4.39 | −4.72 | −4.45 | −4.45 | −4.20 | T (0.026) |
 |
15.68 | 23.74 | 24.07 | 23.22 | 8 | 16 | 16 | 15 | T (0.016) |
 |
338 | 347 | 431 | 216 | 303 | 398 | 470 | 190 | (0.186) |
| |cΔz| | 235 | 192 | 225 | 141 | 180 | 193 | 259 | 110 | (0.770) |
Notes. Column description: (1) parameter; (2–3) average value for the FR 0s, the FR Is (split into (4 and 5) FRICAT and sFRICAT sources); (6 and 7) median value for the FR 0s, the FR Is (split into (8 and 9) FRICAT and sFRICAT sources) (10) outcome of the Kolmogoroff-Smirnov test (and corresponding probability) T= the FR 0 and FR I populations differ significantly. The parameters considered are the redshift (z), the absolute magnitude of the source (Mr), the number of cosmological neighbors within 2 Mpc (
) and 1 Mpc (
), the number of galaxies (Ngal) associated with the groups and clusters hosting the radio sources according to T12, the fifth nearest neighbor density (Σ5), the number of cosmological neighbors within 2 Mpc (
) when all sources are moved to a common redshift of 0.05, the projected distance in kiloparsec (
), and the absolute value of the speed of light times the redshift difference in km s−1 (|cΔz|) from the average of the cosmological neighbors.
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