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Table 2.

Multiwavelength properties of the 3C sources with 0.3 < z < 0.82.

Name z L178 L[O III] AV Hβ [O II] [Ne III] [Ne V] Class
3C 016.0 0.405 34.71 41.06 0.182 0.567 (2) 2.332 (4) 0.230 (5) 0.063 (29) LEG
3C 093.0 0.357 34.70 42.20 0.668 0.104 (1) 0.143 (5) 0.106 (6) BLO
3C 099.0 0.426 34.74 43.36 1.057 0.114 (1) 0.280 (1) 0.089 (1) 0.033 (1) HEG
3C 107.0 0.784 35.31 41.45 0.442 0.456 (2) 2.850 (3) 0.140 (2) 0.038 (42) LEG
3C 109.0 0.306 34.73 43.36 1.608 0.081 (1) 0.084 (1) 0.076 (1) BLO
3C 114.0 0.815 35.13 42.73 1.543 0.098 (1) 0.179 (4) 0.084 (4) 0.111 (1) HEG
3C 138.0 0.755 35.59 43.50 0.799 0.145 (1) 0.105 (1) 0.090 (1) 0.031 (1) BLO
3C 142.1 0.406 34.95 41.86 0.916 0.114 (2) 0.722 (2) 0.103 (4) 0.047 (4) HEG
3C 175.0 0.770 35.51 43.40 0.398 0.089 (1) 0.149 (1) 0.138 (1) 0.055 (1) BLO
3C 187.0 0.467 34.70 41.30 0.210 0.080 (4) 0.719 (2) 0.159 (6) 0.084 (16) HEG
3C 207.0 0.680 35.28 42.80 0.265 0.079 (1) 0.116 (1) 0.114 (1) 0.105 (1) BLO
3C 215.0 0.411 34.73 42.68 0.109 0.103 (1) 0.123 (1) 0.122 (1) 0.140 (1) BLO
3C 225.0 0.583 35.33 42.35 0.151 0.255 (1) 1.415 (1) 0.147 (2) 0.031 (5) LEG
3C 226.0 0.817 35.50 42.79 0.074 0.112 (1) 0.254 (1) 0.074 (1) 0.074 (1) HEG
3C 228.0 0.552 35.29 42.08 0.092 0.139 (1) 0.660 (1) 0.113 (2) 0.068 (3) HEG
3C 275.0 0.478 34.98 42.34 0.067 0.103 (1) 0.213 (2) 0.140 (2) 0.196 (1) HEG
3C 275.1 0.556 35.22 42.88 0.076 0.086 (1) 0.397 (1) 0.089 (2) 0.037 (1) BLO
3C 277.2 0.765 35.34 43.09 0.067 0.077 (1) 0.126 (7) 0.065 (9) 0.059 (1) HEG
3C 293.1 0.709 35.15 41.00 0.058 0.259 (3) 1.791 (4) 0.147 (28) 0.138 (24) LEG
3C 306.1 0.441 34.87 42.59 0.274 0.091 (1) 0.131 (2) 0.063 (2) 0.079 (1) HEG
3C 313.0 0.459 35.09 41.82 0.084 0.114 (1) 0.645 (5) 0.096 (9) 0.111 (3) HEG
3C 327.1 0.462 35.16 42.39 0.364 0.107 (1) 0.280 (1) 0.144 (1) 0.081 (1) HEG
3C 334.0 0.555 34.99 43.29 0.113 0.042 (1) 0.197 (1) 0.156 (1) 0.043 (2) BLO
3C 434.0 0.323 34.13 41.14 0.255 0.332 (3) 1.496 (5) 0.210 (4) LEG
3C 435.0 0.471 34.87 41.46 0.163 0.253 (1) 2.006 (12) 0.177 (30) 0.081 (10) LEG
3C 455.0 0.543 35.04 42.76 0.138 0.119 (1) 0.448 (4) 0.140 (3) 0.041 (2) HEG

Notes. Columns description: (1) name; (2) redshift, (3) logarithm of the radio luminosity at 178 MHz [erg s−1 Hz−1] derived from the fluxes listed by Spinrad et al. (1985) and K-corrected assuming a radio spectral index of 0.7; (4) logarithm of the [O III]λ5007 luminosity [erg s−1], corrected for the Galactic absorption; (5) Galactic AV; (6–9) de-reddened flux ratios of the diagnostic lines with respect to [O III]. The values in parentheses report the errors (in percentage) of each line; (10) spectroscopic classification, as derived in Sect. 3.

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