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Table 6.

Mean, median and standard deviation of the [C II] emission line properties shown in Fig. 7, for the RQ and RL high−z quasars samples.

RQ quasars RL quasars (⋆) KS-test
Mean Median st.dev Mean Median st.dev p-value
FWHM[CII] [km s−1] 387 379 133 272 290 110 0.14
EW[CII] [km s−1] 2362 1691 2013 1848 1180 1441 0.24
L[CII] [109L] 2.9 1.8 2.6 1.5 0.8 1.2 0.04
SFR[CII] [M yr−1] 466 258 498 211 95 194 0.04

Notes. We also report the p-values obtained with a Kolmogorov-Smirnov test, to assess if the observed quantities for RQ and RL quasars were obtained from the same underlying distribution.

(⋆)

We only consider sources with [C II] emission lines detection, i.e., we excluded PSO172+18 from this comparison.

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