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Table 2.

Observational details.

Obs. date ALMA project Band Ref. freq. Beam size, PA (a) rms (a) Flux Cal. (b) Gain cal.
(GHz) (mas), (°) (μJy beam−1)
Mira A

2017-09-21 2016.1.00004.S 4 131.28 69 × 57, 46 74 J0006−0624; 2.86, −0.55 J0228−0337
2017-09-22 2016.1.00004.S 6 213.00 65 × 35, 43 88 J0006−0624; 2.18, −0.55 J0228−0337
2017-11-09 2017.1.00191.S 7 330.12 33 × 23, 50 99 J0208−0047; 0.82, −0.63 J0217+0144

R Dor

2017-09-26 2016.1.00004.S 4 129.35 74 × 50, 7 75 J0519−4546; 0.93, −0.42 J0428−6438
2017-09-25 2016.1.00004.S 6 213.03 45 × 32, −6 125 J0519−4546; 0.76, −0.42 J0428−6438
2017-11-09 2017.1.00191.S 7 330.15 25 × 18, 13 62 J0522−3627; 4.47, −0.20 J0516−6207

W Hya

2017-10-28 2017.1.00075.S 4 129.33 48 × 44, −65 69 J1427−4206; 3.35, −0.65 J1351−2912
2017-11-25 2016.A.00029.S 7 330.95 48 × 40, 68 126 J1337−1257; 1.83, −0.65 J1351−2912

R Leo

2017-09-30 2016.1.00004.S 4 129.35 41 × 40, 54 53 J0854+2006; 3.07, −0.49 J1002+1216
2017-10-03 2017.1.00862.S 6 215.19 19 × 19, 73 40 J0854+2006; 2.35, −0.49 J1002+1216
2017-10-05 2017.1.00862.S 4 139.18 29 × 26, −16 42 J0854+2006; 2.91, −0.49 J1002+1216
2017-10-09 2017.1.00862.S 4 145.88 38 × 31, 28 29 J0854+2006; 3.02, −0.49 J1002+1216
2017-10-11 2017.1.00075.S 6 213.04 33 × 21, −46 94 J0854+2006; 2.96, −0.49 J1002+1216
2017-10-13 2017.1.00075.S 4 129.34 50 × 35, 31 46 J0854+2006; 3.20, −0.49 J1002+1216

Notes.

(a)

Briggs ( + 0.5) weighted image of a single spw at the reference frequency.

(b)

Calibrator name, flux densities (Jy at the reference frequency), and spectral index.

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