Table 1.
Summary of the ALMA observations analyzed in this paper.
| ALMA MOUS UID | Centroid MJD | Time on | Number of | ALMA | νcentroid | agg. BW | Beam | RMS |
|---|---|---|---|---|---|---|---|---|
| source (s) | antennas | Band | (GHz) | (GHz) | (arcsec) | (μJy/beam) | ||
| uid://A001/X378a/X32 | 60532.887 | 302 | 42 | 3 | 107.804 | 6.54 | 1.21 × 0.563 | 47 |
| uid://A001/X378a/X3a | 60532.898 | 302 | 42 | 6 | 224.533 | 7.06 | 0.543 × 0.274 | 52 |
| uid://A001/X378a/X36 | 60532.922 | 302 | 41 | 4 | 136.307 | 4.85 | 0.806 × 0.414 | 38 |
| uid://A001/X378a/X2e | 60532.944 | 362 | 41 | 1a | 44.079 | 5.05 | 2.29 × 1.34 | 34 |
| uid://A001/X378a/X3e | 60532.969 | 302 | 43 | 7 | 349.507 | 6.88 | 0.303 × 0.184 | 114 |
| uid://A001/X378a/X1d6 | 60559.368 | 3204 | 43 | 8 | 399.993 | 6.58 | 0.517 × 0.406 | 56 |
| uid://A001/X3789/X9e | 60568.775 | 574 | 44 | 7b | 349.507 | 7.07 | 0.808 × 0.427 | 79 |
| uid://A001/X37b5/X117 | 60586.836 | 1118 | 10 | 6* | 224.379 | 7.27 | 6.82 × 5.78 | 280 |
| uid://A001/X37b5/X104 | 60588.814 | 1239 | 9 | 3* | 108.209 | 7.2 | 14.2 × 11.4 | 310 |
| uid://A001/X3789/X9a | 60632.665 | 1330 | 41 | 1b | 42.089 | 5.34 | 8.14 × 5.68 | 17 |
| uid://A001/X378a/X2e | 60636.688 | 362 | 44 | 1 | 44.014 | 5.34 | 7.44 × 6.12 | 39 |
Notes. Frequencies are in the kinematic local standard of rest (LSRK) reference frame. The dashed line separates the near-concurrent observations obtained on MJD 60532 (10 August 2024) from all later observations. All observations were made with the ALMA 12m array except for those marked with “*” on the band number, which were observed with the 7 m array (ACA) as a test for post-burst observations. Supplemental 12m array observations, which were obtained to increase sensitivity after the extreme faintness of the object was noticed, are marked with a “b” on the band number. In the case of band 1, these observations were obtained before the original MOUS could properly be observed. Also in the case of band 1, there are two execution blocks available for MOUS uid://A001/X378a/X2e that were taken three months apart and analyzed separately. The first one is marked with an “a” on the band number. See text for details. The noise root mean square (RMS) given in the table refers to the full aggregate bandwidth as given in the column titled “agg. BW.”
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