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Table 3.

Summary of available ALMA archival observations and their general properties.

QSO Project ID Ra Dec Central Freq. Synth. Beam RMS (cont.) RMS (cube) [C II] detection
[hh:mm:ss] [dd:mm:ss] [GHz] [arcsec2] [mJy/beam] [mJy/beam] at S/N ≥ 5
J0131-0321 2019.1.00840.S 01:31:27.49 −03:21:00.0 301.4 1.07 × 0.94 0.04 0.4 Yes
J0747+1153 2019.1.01721.S 07:47:49.18 +11:53:52.5 304.2 1.21 × 1.05 0.01 0.1 No
J0306+1853 2022.1.00662.S 03:06:42.51 +18:53:15.85 292.7 1.04 × 0.59 0.12 1.0 Yes
J1022+2252 2022.1.00662.S 10:22:10.04 +22:52:25.3 287.7 0.85 × 0.74 0.05 0.4 No (a)
J2207-0416 2022.1.00662.S 22:07:10.15 −04:16:53.1 285.1 0.82 × 0.61 0.04 0.6 Yes
J1135-0328 2022.1.00662.S 13:35:56.24 −03:28:38.20 290.8 0.84 × 0.65 0.03 0.4 Yes

Notes.

(a)

Tentative detection at S/N ∼ 3, neglected in the following analysis.

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