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Table 2

Positions and flux densities of sources detected in the ALMA images.

Source RA (J2000) Dec (J2000) Flux [mJy beam-1]

4U 172834 17:31:57.6757 ± 0.0003 –33:50:01.544 ± 0.005 1.40 ± 0.02
ALMA J173157.613–335003.88 17:31:57.613 ± 0.002 –33:50:03.88 ± 0.03 0.10 ± 0.02
4U 182030 18:23:40.5050 ± 0.0004 –30:21:40.089 ± 0.005 0.40 ± 0.02
ALMA J182340.8936–302138.571 18:23:40.8936 ± 0.0003 –30:21:38.571 ± 0.005 2.26 ± 0.02
ALMA J182341.1181–302135.733 18:23:41.1181 ± 0.0007 –30:21:35.733 ± 0.009 0.50 ± 0.02

Notes. All the sources are detected for the first time at mm frequencies. ALMA J182340.8936–302138.571 is marginally extended with respect to the ALMA synthesised beam and has an integrated flux of 3.71 ±0.13 mJy.

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