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Table 1.

Journal of the ALMA observations.

Band Date of Nant(b) PWV (c) ton(d) Bmin/Bmax(e) Bandpass Flux Gain Check
observations (mm) (min) (m/km) calibrator calibrator calibrator source
B3 (a1) 2017 Sep 19 44 ∼1 40 41/12.1 J1337−1257 J1337−1257 J1303+2433 J1314+2348
B6 (a1) 2017 Nov 12 45 ∼1 30 113/13.9 J1256−0547 J1229+0203 J1327+2210 J1314+2348
B7 (a2) 2015 Nov 24 36 ∼1.5 25 16/12.5 J1256−0547 J1229+0203 J1303+2433 J1321+2216
2015 Dec 05 39 ∼1.6 40 16/6.1 J1256−0547 J1229+0203 J1303+2433 J1321+2216

Notes.

(a1)

ALMA project number 2016.1.00800.S;

(a2)

ALMA project number 2015.1.00823.S;

(b)

number of 12 m-antennas in the array;

(c)

amount of precipitable water vapor in the atmosphere;

(d)

on-source time;

(e)

respectively minimum and maximum projected baseline. Largest recoverable scale: B7 , B6 , B3 .

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