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Table 1

Observational details of the SMA and IRAM observations.

Parameters SMA Maunakea IRAM-30 m
Cyg X-N12 Cyg X-N30 Cyg X-N12
Phase center α (a) 20h36m57s.6 20h38m36s.6 20h36m57s.6
δ (a) 420 42°370 420
Date of observations 21/06–10/11/2017 20/06–19/10/2017 14–18/08/2019
Spatial resolution 1′′5 1′′5 27′′0 ± 6
Line sensitivity (b) 0.15 Jy km s−1 beam−1 0.15 Jy km s−1 beam−1 3 mK for 3 mm band

Notes. (a)Coordinates are in the J2000 format. (b)The line sensitivity is in ~0.48 km s−1 channels for SMA data and in 0.8 km s−1 channels for IRAM data.

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