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Table 1

Observation log.

Source Date Phase calibrator Bandpass calibrator Max. baseline (m) Nantenna ALMA band
L483 2017 March 11 J1743–0350 J1751+0939 1100 42 6
L483 2017 August 27 J1743–0350 J1751+0939 768 44 5
BHR71–IRS1 2017 January 15 J1147–6753 J0904–5735 1797 46 6
BHR71–IRS1 2017 September 4 J1147–6753 J1107–4449 677 43 5
B335 2017 March 20 J1955+1358 J2025+3343 740 44 6
B335 2017 August 27 J1938+0448 J2000–1748 759 45 5

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