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Table 2

Pointing centres and frequency coverage for the SMA and APEX observations.

Telescope RA Dec Line data
region (J2000.0) (J2000.0) [GHz]

SMA
IRS7A 19:01:53.30  −36:57:21.0 217.8 ± 1.0
IRS7A 19:01:53.30  −36:57:21.0 227.8 ± 1.0
IRS7B 19:01:56.40  −36:57:27.0 217.8 ± 1.0
IRS7B 19:01:56.40  −36:57:27.0 227.8 ± 1.0

APEX
IRS7Ba 19:01:56.40  −36:57:27.0 217.9 ± 0.9

Notes. 

(a)

7 × 7 pointings in an equatorial grid centred at the tabulated coordinate. The separation between the grid points is 14′′.

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