Open Access

Table C.1

Properties of the continuum cores associated with the methyl formate sources toward the 15 ALMA-IMF protoclusters.

1.3 mm 3 mm
IDMF(a)$\[\mathrm{ID}_{\mathrm{MF}}^{(a)}\]$ RA(b) Dec(b) d(c) S1.3mm(d)peak $\[S_{1.3 \mathrm{mm}^{(d)}}^{\text {peak }}\]$ S1.3mm(d)int $\[S_{1.3 \mathrm{mm}^{(d)}}^{\text {int }}\]$ θmaj dec×θmin dec(e)$\[\theta_{\text {mai }}^{\mathrm{dec}} \times \theta_{\text {min }}^{\mathrm{dec}^{(e)}}\]$ PAdec(e)$\[\mathrm{PA}^{\mathrm{dec}^{(e)}}\]$ FWHMcontdec(f)$\[\mathrm{FWHM}_{\mathrm{conn}}^{\mathrm{dec}^{(f)}}\]$ S3mm(g)int$\[S_{3 \mathrm{mm}^{(g)}}^{\mathrm{int}}\]$ τ(h) Mass range(i) M(j) α(k) fracff(l)$\[\mathrm{frac}_{\mathrm{ff}}^{(l)}\]$
[J2000] [″] [mJy beam−1] [mJy] [″ × ″] [deg] [au] [mJy] [M] [M] [%]
G008.67

G008–MF1 18:06:19.02 −21:37:32.2 0.19 200.4±7.6 736.7±12.2 1.16×1.0 0.4 3675.4 557.0±1.4 0.04 21.7–5.9 9.4 0.3 65
G008–MF2 18:06:23.48 −21:37:10.5 0.02 64.4±1.5 84.5±1.4 0.37×0.31 −38.1 1166.2 9.1±0.2 0.04 6.7–2.0 3.1 2.7 0

G010.62

G010–MF1 18:10:28.66 −19:55:49.6 0.36 316.6±13.6 1537.0±23.8 1.18×0.77 −58.7 4727.2 2448.8±14.2 −0.5 100
G010–MF2 18:10:28.69 −19:55:50.2 0.17 68.2±19.6 129.5±16.0 0.55×0.52 67.1 2658.1 185.8±7.1 −0.4 100
G010–MF3* 281.3±40.1 281.3±40.1 2306.7 232.6±47.2 0.09 15.4–3.9 6.2 0.2 72
G010–MF4* 50.7±19.2 50.7±19.2 2306.7 43.0±17.0 0.01 2.3–0.6 1.0 0.2 74
G010–MF5* 50.2±9.2 50.2±9.2 2306.7 44.4±11.7 0.01 2.0–0.5 0.8 0.1 77
G010–MF6* 24.3±11.4 24.3±11.4 2306.7 16.2±10.2 0.01 1.7–0.5 0.8 0.4 57
G010–MF7 18:10:29.24 −19:55:40.95 0.06 13.9±0.6 20.4±0.8 1153.3 3.0±0.2 0.02 3.3–1.0 1.5 2.3 0
G010–MF8 18:10:28.82 −19:55:51.17 0.42 22.9±7.0 45.0±6.3 0.6×0.44 86.6 2569.0 7.3±2.7 0.02 6.8–2.0 3.1 2.2 9
G010–MF9* 38.3±10.5 38.3±10.5 2306.7 16.1±7.7 0.03 4.3–1.2 1.9 1.0 34
G010–MF10 18:10:29.10 −19:55:45.23 0.21 18.3±3.2 19.6±2.5 1153.3 2.4±0.4 0.02 3.2–0.9 1.5 2.5 0

G012.80

G012–MF1 18:14:11.84 −17:55:32.5 0.05 195.9±5.7 310.3±6.0 0.78×0.46 40.4 1442.3 16.0±0.3 0.07 12.7–3.7 5.8 3.6 0
G012–MF2 18:14:13.77 −17:55:21.0 0.59 107.6±4.9 229.9±5.7 1.07×0.72 22.2 2114.4 8.3±2.2 0.04 9.1–2.7 4.2 4.0 0
G012–MF3 18:14:13.14 −17:55:40.4 0.16 91.0±16.0 166.5±15.4 0.87×0.77 37.7 1980.0 10.3±4.7 0.03 6.5–1.9 3.0 3.3 0
G012–MF4 18:14:11.66 −17:55:34.2 0.40 61.0±6.2 159.3±7.0 1.72×0.94 −86.5 3069.6 11.5±0.6 0.02 6.2–1.9 2.9 3.2 0

G327.29

G327–MF1 15:53:07.79 −54:37:06.4 0.01 669.3±4.8 3160.0±12.4 1.43×0.84 54.6 2755.0 171.5±1.4 0.13 33.1–15.5 21.1 3.5 0
G327–MF2 15:53:09.48 −54:37:00.8 0.28 79.3±4.0 311.2±6.0 1.46×1.00 −30.2 3040.0 33.1±0.4 0.05 13.5–4.0 6.2 2.7 0
G327–MF3 15:53:10.93 −54:36:46.1 0.44 37.6±2.8 106.3±3.6 0.94×0.89 −89.0 2307.5 10.4±0.3 0.02 4.5–1.3 2.1 2.8 0

G328.25

G328–MF1 15:57:59.80 −53:58:00.7 0.04 147.7±1.6 406.1±2.6 0.83×0.44 71.3 1522.5 27.7±0.2 0.14 19.8–5.5 8.6 3.3 0

G333.60

G333–MF1 16:22:11.05 −50:05:56.6 0.10 56.6±3.8 78.1±4.0 1163.4 8.6±0.1 0.04 9.1–2.7 4.2 2.6 4
G333–MF2 16:22:08.56 −50:06:12.2 0.14 25.0±3.3 87.6±4.2 1.07×0.83 36.6 3990.0 13.1±2.1 0.02 9.6–2.9 4.4 2.3 8

G337.92

G337–MF1 16:41:10.46 −47:08:03.4 0.32 234.3±13.6 549.1±17.5 0.91×0.42 −83.4 1682.1 86.5±2.5 0.22 35.0–8.9 14.2 2.2 0
G337–MF2* 110.0±110.0 110.0±110.0 1460.7 8.6±8.6 0.1 6.0–1.7 2.6 3.1 0
G337–MF3* 240.0±65.0 240.0±65.0 1460.7 15.8±5.0 0.23 15.4–3.9 6.2 3.3 0
G337–MF4* 136.0±136.0 136.0±136.0 1460.7 5.6±5.6 0.12 7.6–2.1 3.3 3.9 0
G337–MF5* 18.4±18.4 18.4±18.4 1460.7 1.1±1.1 0.02 0.9–0.2 0.4 3.4 0
G337–MF6 16:41:10.46 −47:08:01.5 0.08 71.3±17.7 151.9±19.5 0.74×0.41 61.5 1503.9 21.9±1.8 0.06 7.9–2.3 3.6 2.4 0
G337–MF7 16:41:10.46 −47:08:06.4 0.58 13.6±3.5 16.3±2.7 731.7 2.0±0.1 0.01 0.8–0.2 0.3 2.6 0

G338.93

G338–MF1 16:40:34.01 −45:42:07.3 0.06 103.2±1.8 148.6±1.8 0.39×0.32 67.4 1396.2 8.8±0.3 0.09 16.6–4.7 7.4 3.4 0
G338–MF2 16:40:34.13 −45:41:36.3 0.01 154.1±1.3 280.7±2.4 0.45×0.27 −86.4 1380.6 21.3±0.4 0.14 33.2–9.1 14.3 3.1 0
G338–MF3 16:40:33.54 −45:41:37.3 0.01 70.8±1.1 158.8±2.3 0.47×0.28 9.4 1450.8 13.2±0.3 0.06 17.1–5.0 7.8 3.0 0
G338–MF4 16:40:34.25 −45:41:37.1 0.10 141.5±1.3 237.4±1.4 0.53×0.25 −41.2 1443.0 31.9±0.3 0.13 27.7–7.7 12.0 2.4 0
G338–MF5 16:40:33.69 −45:42:09.8 0.22 26.9±1.4 65.0±2.0 0.67×0.49 57.7 2250.2 4.9±0.2 0.02 6.7–2.0 3.1 3.1 0

G351.77

G351–MF1 17:26:42.53 −36:09:17.4 0.89 339.3±35.3 897.8±47.2 1.37×0.7 53.0 1972.0 35.0±1.2 0.15 28.6–7.8 12.2 3.9 0
G351–MF2 17:26:42.47 −36:09:18.7 0.49 271.7±31.9 1199.0±42.6 1.86×1.4 −66.5 3230.0 54.8±2.7 0.12 36.7–10.3 16.1 3.7 0
G351–MF3* 930.0±130.0 930.0±130.0 1544.0 68.4±10.0 0.49 52.1–8.9 14.9 3.1 0
G351–MF4 17:26:42.65 −36:09:18.8 0.43 94.3±34.8 254.0±35.9 1.31×0.81 35.6 2074.0 26.5±0.01 0.04 7.1–2.1 3.2 2.7 0
G351–MF5 17:26:42.80 −36:09:20.5 0.01 106.9±32.1 175.7±30.8 0.7×0.43 −16.1 1102.0 5.0±1.7 0.05 4.9–1.4 2.2 4.3 0

G353.41

G353–MF1 17:30:28.43 −34:41:47.9 0.25 53.5±3.0 127.0±3.3 1.06×0.74 −5.1 1780.0 5.0±0.4 0.02 3.4–1.0 1.6 3.9 0

W43-MM1

W43-MM1–MF1 18:47:46.98 −01:54:26.5 0.21 118.6±3.8 361.6±4.3 0.72×0.62 27.7 3685.0 23.8±0.4 0.18 89.0–23.6 37.3 3.2 0
W43-MM1–MF2 18:47:47.02 −01:54:26.9 0.20 311.6±3.9 640.9±5.0 0.45×0.39 42.2 2332.0 29.2±0.3 0.56 356.0–46.6 79.5 3.7 0
W43-MM1–MF3 18:47:46.84 −01:54:29.3 0.01 187.8±5.8 297.2±6.8 0.38×0.16 −1.2 1358.5 20.5±0.5 0.3 86.8–20.1 32.5 3.2 0
W43-MM1–MF4 18:47:46.37 −01:54:33.4 0.11 96.8±1.9 227.0±2.8 0.55×0.29 24.2 2205.5 17.4±0.2 0.15 53.5–14.7 23.0 3.0 0
W43-MM1–MF5 18:47:46.77 −01:54:31.2 0.07 45.5±3.1 72.5±3.1 0.4×0.25 51.5 1771.0 5.4±0.2 0.07 15.5–4.5 7.0 3.1 0
W43-MM1–MF6 18:47:46.52 −01:54:24.2 0.01 15.8±1.4 21.1±1.3 0.31×0.20 89.2 1413.5 1.4±0.1 0.02 4.3–1.3 2.0 3.2 0
W43-MM1–MF7 18:47:46.90 −01:54:30.0 0.09 26.3±5.0 33.2±3.9 0.26×0.25 31.0 1424.5 1.9±0.3 0.04 6.9–2.0 3.2 3.4 0
W43-MM1–MF8 18:47:46.48 −01:54:32.6 0.12 30.4±3.4 46.2±3.2 0.33×0.26 45.5 1644.5 3.1±0.2 0.04 9.6–2.9 4.4 3.2 0
W43-MM1–MF9 18:47:44.77 −01:54:45.2 0.04 12.2±0.9 20.7±0.9 0.37×0.34 1.8 1980.0 0.9±0.1 0.02 4.2–1.2 1.9 3.7 0
W43-MM1–MF10 18:47:46.54 −01:54:23.1 0.06 43.0±1.0 74.9±1.3 0.41×0.26 −84.0 1826.0 5.9±0.1 0.06 16.0–4.7 7.3 3.0 0
W43-MM1–MF11 18:47:47.02 −01:54:30.8 0.22 20.1±5.0 41.6±4.9 0.61×0.32 −19.7 2447.5 2.9±0.3 0.03 8.5–2.6 3.9 3.1 0
W43-MM1–MF12 18:47:46.87 −01:54:25.7 0.20 14.5±3.5 17.5±2.9 1149.5 1.3±0.2 0.02 3.5–1.0 1.6 3.1 0
W43-MM1–MF13 18:47:46.25 −01:54:33.4 0.05 17.2±1.6 25.9±1.3 0.46×0.26 −22.4 1936.0 2.5±0.1 0.02 5.3–1.6 2.4 2.8 0
W43-MM1–MF14 18:47:46.97 −01:54:29.7 0.11 18.2±5.3 18.8±4.1 1149.5 2.0±0.3 0.03 3.8–1.1 1.8 2.6 0

W43-MM2

W43-MM2–MF1 18:47:36.80 −02:00:54.3 0.14 144.2±1.1 432.7±3.2 0.61×0.43 −15.0 2832.5 30.3±0.3 0.18 108.8–28.8 45.5 3.2 0
W43-MM2–MF2 18:47:36.70 −02:00:47.6 0.04 14.8±0.7 28.2±0.9 0.45×0.3 −49.3 2029.5 2.3±0.1 0.02 5.8–1.7 2.7 3.0 0
W43-MM2–MF3 18:47:36.28 −02:00:50.8 0.11 10.7±0.4 19.8±0.5 1270.5 2.1±0.2 0.01 4.0–1.2 1.9 2.7 0

W43-MM3

W43-MM3–MF1 18:47:39.26 −02:00:28.1 0.06 16.8±0.4 36.6±0.6 0.51×0.33 50.3 2277.0 1.3±0.01 0.02 7.5–2.2 3.5 4.0 0
W43-MM3–MF2 18:47:41.71 −02:00:28.6 0.07 51.1±2.0 78.3±2.5 0.38×0.21 −88.0 1589.4 6.6±0.4 0.06 16.7–4.9 7.6 3.0 0
W43-MM3–MF3 18:47:41.73 −02:00:27.4 0.10 22.5±1.7 25.8±1.5 1303.5 1.9±0.1 0.03 5.3–1.6 2.4 3.1 0

W51-E

W51-E–MF1 19:23:43.97 14:30:34.5 0.06 363.0±8.8 2004.0±19.0 0.68×0.51 −0.2 3218.3 358.7±7.5 0.32 102.5–43.6 61.0 2.1 11
W51-E–MF2* 245.6±32.6 245.6±32.6 1636.2 48.3±9.3 0.24 13.2–5.8 8.1 2.0 0
W51-E–MF3 19:23:43.90 14:30:28.2 0.33 250.8±17.8 853.7±25.1 0.49×0.46 −1.2 2597.4 215.8±5.2 0.19 36.0–16.3 22.4 1.6 18
W51-E–MF4 19:23:43.74 14:30:21.3 0.11 17.9±4.9 30.0±4.4 0.32×0.24 81.2 1528.1 4.7±0.6 0.05 6.1–1.8 2.8 2.2 0
W51-E–MF5* 55.5±9.2 55.5±9.2 1636.2 16.8±1.4 0.12 9.6–2.6 4.1 1.4 22
W51-E–MF6 19:23:43.79 14:30:19.7 0.27 13.9±3.3 30.6±3.5 0.39×0.29 57.1 1836.0 10.5±0.9 0.04 6.1–1.8 2.8 1.3 0
W51-E–MF7 19:23:43.82 14:30:23.4 0.15 17.7±6.3 44.4±6.9 0.43×0.36 4.8 2165.4 10.3±1.0 0.05 9.0–2.7 4.1 1.7 0

W51-IRS2

W51-IRS2–MF1 19:23:39.99 14:31:05.9 0.43 252.7±13.4 506.4±12.4 0.55×0.52 60.6 2910.6 49.7±6.4 0.09 23.3–11.1 15.0 2.8 3
W51-IRS2–MF2 19:23:39.82 14:31:05.1 0.18 223.5±14.9 393.5±13.0 0.56×0.39 46.4 2554.2 104.0±2.7 0.22 81.2–20.8 32.5 1.6 19
W51-IRS2–MF3 19:23:40.05 14:31:05.5 0.53 847.2±15.2 1789.0±20.7 0.52×0.39 75.1 2457.0 368.0±12.6 0.3 87.1–37.6 52.4 1.9 14
W51-IRS2–MF4 19:23:39.95 14:31:05.4 0.14 333.2±13.7 488.3±11.9 0.39×0.27 85.6 1771.2 128.4±7.0 0.35 123.0–26.3 43.0 1.6 19
W51-IRS2–MF5 19:23:39.75 14:31:05.3 0.04 141.1±14.3 196.0±11.1 0.46×0.25 63.5 1857.6 17.3±2.8 0.16 44.8–12.0 19.0 2.9 2
W51-IRS2–MF6 19:23:38.57 14:30:41.8 0.01 68.2±1.0 197.3±2.6 0.49×0.36 −32.4 2284.2 21.7±0.6 0.08 41.8–12.1 18.8 2.7 0
W51-IRS2–MF7 19:23:39.52 14:31:03.4 0.17 17.7±2.5 29.9±2.9 0.43×0.14 67.7 1360.8 1.1±1.7 0.02 5.9–1.8 2.7 4.0 0
W51-IRS2–MF8 19:23:41.83 14:30:54.9 0.17 12.2±1.1 15.9±0.9 0.39×0.17 9.8 1409.4 4.2±0.4 0.01 3.1–0.9 1.4 1.6 0
W51-IRS2–MF9 19:23:38.40 14:30:36.7 0.36 11.5±1.1 35.7±1.5 0.80×0.52 49.9 3515.4 2.5±0.1 0.01 7.0–2.1 3.3 3.2 0

Notes.(a) ID of the methyl formate sources. (b) Position of the associated compact continuum core from the getsf-unsmoothed catalog presented in (XII). The sources marked with a * in the first column are not associated with any compact continuum core. (c) Angular offset between the peak position of the methyl formate source and its associated compact continuum core. (d) Peak and integrated intensities at 1.3 mm from the unsmoothed core catalog (XII). For the sources that are not associated with compact continuum cores, peak intensities have been measured in the 1.3 mm continuum maps (see Sect. 5.1). (e) Major × minor axis and position angle of the compact continuum core from the unsmoothed core catalog (XII). These values are deconvolved from the continuum map beam size.(f) Deconvolved mean size (FWHM) of the continuum cores. (g) 3 mm integrated intensity from the unsmoothed core catalog (XII). (h) Opacity computed at Td = 100 K (except for the six most extreme sources for which we used 300 K; see Sect. 5.4). (i) Core mass range computed with Td ranging from 50 K to 150 K (except for the six most extreme sources for which we used 200 − 400 K; see Sect. 5.4). (j) Core mass used to plot Figs. 13, 16 and 18, computed at Td = 100 K for all methyl formate sources, except for the six most extreme sources for which we used 300 K (see Sect. 5.4)). (k) Spectral index (see Sect. 5.2). (l) Fraction of the fluxes measured at 1.3 mm that is due to free-free emission and that are subtracted to the fluxes given in (d) to obtain the mass estimates given in (i) and (j). The table continues on the next page.

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