Open Access

Table 1

Summary of the spectral setups of the ALMA observations.

SPW Freq. cove. (GHz) Channel width (kHz) Channels
(1) (2) (3) (4)
7 m ACA
Obs. date: Oct. 22, 30 2019, Mar. 07 2020

1 216.8–218.8 488.281 4096
2 218.8–220.8 488.281 4096
3 217.9–218.5 122.281 4096
4 220.3–220.8 122.281 4096

12 m C-4
Obs. date: Oct. 12, 13, 2019

1 217.0–218.8 488.281 3840
2 219.0–220.8 488.281 3840
3 217.8–218.2 122.281 3840
4 220.3–220.8 122.281 3840

12 m C-6
Obs. date: May 27, June 6, 7, 9 2021

1 217.0–218.8 488.281 3840
2 219.0–220.8 488.281 3840
3 217.8–218.2 122.281 3840
4 220.3–220.8 122.281 3840

Notes. Columns (1)–(4) are spectral windows, ranges of rest frequencies covered by the spectral windows, channel widths, and channel numbers.

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