Open Access

Table A.1.

Observations summary. Individual columns list: target ID, dates of observations, HCN transition targeted, on-source time, synthesised beam FWHM and position angle, and rms noise over a 100 km s−1 bandwidth at the position of the HCN line.

Target Transitions Date ton Beam FWHM & PA σ100 km/s
[h] [arcsec2, deg] [mJy/beam]
NOEMA
J1202 (3–2) 2021 August 26 2.6 5.6×4.8 (56) 0.32
J1202 (4–3) 2021 August 29 3.4 5.1×4.0 (88) 0.35
SDP.130 (3–2) 2021 Sep 20, Dec 23; 2022 Jan 16 1.9 4.7×2.5 (68) 0.26
J0209 (3–2) 2021 August 13 5.3 7.5×5.0 (35) 0.42
SDP.9 (4–3) 2023 October 6 3.4 2.6×0.9 (13) 0.39
SDP.11 (4–3) 2023 October 8 4.5 3.5×1.1 (11) 0.43

ALMA

G09v1.40 (3–2) 2018 April 9 0.86 2.7×2.1 (154) 0.14
SDP.17 (4–3) 2018 April 26, May 1, May 2 1.03 2.1×1.6 (23) 0.21
SDP.130 (4–3) 2018 April 9, April 24 0.89 2.4×1.8 (153) 0.11
G09v1.326 (4–3) 2018 April 22 0.91 2.1×2.0 (143) 0.14
G12v2.43 (4–3) 2018 April 3 0.84 2.4×2.2 (22) 0.13
NAv1.195 (4–3) 2018 March 30, April 26 1.69 2.8×1.7 (86) 0.20
G15v2.235 (4–3) 2018 April 6 0.47 2.3×1.9 (29) 0.18

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