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Table A.1

Parameters (coordinate, distance, mass, density, etc.) of the selected cores in the IRDCs.

Core RA Dec. Dist. Rcore Tdust I870 μm S870 μm ΔVN2H+ τN2H+ Mvir M870 μm M1.1 mm αvir n870 μm
J2000 J2000 kpc pc K Jy beam-1 Jy km s-1 M⊙ M⊙ M⊙ 104 cm-3
G31-1 18:49:36.3 –00:45:45 6.9 0.20 19.3 ± 0.2 5.64 ± 0.27 4.42 ± 0.21 3.48 ± 0.01 0.12 ± 0.00 146 ± 0 1221 ± 61 1890 0.12 ± 0.01 5.1 ± 0.3
G31-2 18:49:36.0 –00:46:16 6.9 0.28 18.3 ± 0.0 3.16 ± 0.15 3.43 ± 0.16 3.10 ± 0.01 0.10 ± 0.00 179 ± 1 1022 ± 47 929 0.18 ± 0.01 4.3 ± 0.2
G31-3 18:49:32.3 -00:47:02 6.9 0.46 16.2 ± 0.3 2.14 ± 0.08 5.23 ± 0.18 2.19 ± 0.52 0.25 ± 0.10 209 ± 50 1895 ± 86 1222 0.11 ± 0.03 7.9 ± 0.4
G31-3 18:49:32.3 –00:47:02 6.9 0.46 16.2 ± 0.3 2.14 ± 0.08 5.23 ± 0.18 3.85 ± 0.52 0.53 ± 0.10 368 ± 50 1895 ± 86 1222 0.19 ± 0.03 7.9 ± 0.4
G31-4 18:49:33.0 –00:47:33 6.9 0.49 15.5 ± 0.2 1.74 ± 0.03 4.84 ± 0.09 3.71 ± 0.04 0.10 ± 0.00 381 ± 4 1879 ± 49 852 0.20 ± 0.01 7.8 ± 0.2
G31-5 18:49:21.9 -00:50:35 6.9 0.17 17.1 ± 0.2 0.64 ± 0.00 0.44 ± 0.00 2.74 ± 0.04 0.10 ± 0.01 101 ± 2 147 ± 3 178 0.68 ± 0.02 0.6 ± 0.0
G31-6 18:49:35.0 –00:46:44 6.9 0.66 17.2 ± 0.4 1.89 ± 0.04 8.60 ± 0.16 3.09 ± 0.02 0.10 ± 0.00 429 ± 3 2827 ± 111 1181 0.15 ± 0.01 11.8 ± 0.5
G31-7 18:49:28.4 –00:48:54 6.9 0.34 17.5 ± 0.1 0.78 ± 0.00 1.12 ± 0.01 1.97 ± 0.07 0.11 ± 0.03 138 ± 5 358 ± 4 291 0.39 ± 0.01 1.5 ± 0.0
G31-8 18:49:29.1 –00:48:12 6.9 0.52 17.6 ± 0.2 0.78 ± 0.01 2.32 ± 0.02 2.06 ± 0.04 0.10 ± 0.00 223 ± 5 735 ± 16 493 0.30 ± 0.01 3.1 ± 0.1
G31-9 18:49:31.6 –00:46:30 6.9 0.28 17.3 ± 0.1 0.97 ± 0.01 1.16 ± 0.01 5.70 ± 0.09 0.10 ± 0.00 341 ± 5 378 ± 5 151 0.90 ± 0.02 1.6 ± 0.0
G31-10 18:49:31.8 -00:38:03 6.9 0.56 20.5 ± 0.6 3.71 ± 0.42 13.78 ± 1.56 4.20 ± 0.04 0.10 ± 0.00 494 ± 4 3466 ± 421 − 0.14 ± 0.02 14.4 ± 1.8
G31-11 18:49:37.8 -00:40:59 6.9 0.52 23.0 ± 0.7 2.10 ± 0.13 6.58 ± 0.40 2.41 ± 0.04 0.10 ± 0.00 260 ± 5 1406 ± 103 − 0.19 ± 0.01 5.9 ± 0.4
G31-12 18:49:34.6 -00:38:21 6.9 0.44 21.6 ± 1.0 1.00 ± 0.01 2.28 ± 0.02 2.35 ± 0.04 0.10 ± 0.01 217 ± 4 533 ± 34 − 0.41 ± 0.03 2.2 ± 0.1
G31-13 18:49:37.6 -00:39:55 6.9 0.40 19.9 ± 0.2 0.43 ± 0.00 0.79 ± 0.00 1.54 ± 0.04 0.10 ± 0.01 128 ± 3 207 ± 3 − 0.62 ± 0.02 0.9 ± 0.0
G33-1 18:52:58.8 +00:42:37 7.1 0.41 15.2 ± 0.3 2.03 ± 0.07 4.01 ± 0.14 3.07 ± 0.05 0.10 ± 0.01 264 ± 5 1708 ± 85 1135 0.15 ± 0.01 6.5 ± 0.3
G33-4 18:52:56.4 +00:43:08 7.1 0.59 15.2 ± 0.3 1.12 ± 0.02 4.15 ± 0.08 3.03 ± 0.09 0.37 ± 0.06 379 ± 11 1758 ± 61 820 0.22 ± 0.01 6.7 ± 0.2
G33-7 18:52:58.1 +00:44:08 7.1 0.79 17.7 ± 0.9 0.66 ± 0.02 3.95 ± 0.10 2.37 ± 0.22 0.11 ± 0.22 391 ± 37 1311 ± 103 641 0.30 ± 0.04 5.0 ± 0.4
G33-8 18:52:53.9 +00:41:16 7.1 0.73 17.7 ± 0.5 0.54 ± 0.01 2.85 ± 0.07 5.32 ± 0.33 0.10 ± 0.05 816 ± 50 946 ± 44 588 0.86 ± 0.07 3.6 ± 0.2
G33-9 18:52:58.1 +00:41:20 7.1 0.26 17.8 ± 0.1 0.46 ± 0.00 0.45 ± 0.00 2.15 ± 0.17 0.19 ± 0.10 117 ± 10 147 ± 1 119 0.80 ± 0.07 0.6 ± 0.0
G33-11 18:52:56.2 +00:41:48 7.1 0.30 17.2 ± 0.0 0.68 ± 0.01 0.81 ± 0.01 6.14 ± 0.40 0.10 ± 0.01 387 ± 25 282 ± 4 100 1.37 ± 0.09 1.1 ± 0.0
G34-1 18:53:18.0 +01:25:24 3.7 0.10 19.7 ± 0.3 11.29 ± 0.74 7.84 ± 0.51 2.88 ± 0.00 0.10 ± 0.00 57 ± 0 601 ± 41 1187 0.10 ± 0.01 16.2 ± 1.1
G34-2 18:53:18.6 +01:24:40 3.7 0.21 18.4 ± 0.3 7.30 ± 0.72 13.39 ± 1.32 3.43 ± 0.01 0.10 ± 0.00 151 ± 1 1139 ± 116 1284 0.13 ± 0.01 30.8 ± 3.1
G34-3 18:53:20.4 +01:28:23 3.7 0.19 16.3 ± 0.1 2.16 ± 0.04 3.38 ± 0.07 2.54 ± 0.02 0.10 ± 0.00 101 ± 1 347 ± 8 301 0.29 ± 0.01 9.4 ± 0.2
G34-4 18:53:19.0 +01:24:08 3.7 0.19 17.6 ± 0.1 4.50 ± 0.48 7.03 ± 0.74 2.70 ± 0.02 0.15 ± 0.01 108 ± 1 639 ± 68 253 0.17 ± 0.02 17.3 ± 1.8
G34-5 18:53:19.8 +01:23:30 3.7 0.45 17.4 ± 0.3 2.12 ± 0.17 14.93 ± 1.18 2.14 ± 0.05 0.13 ± 0.03 200 ± 5 1388 ± 116 664 0.14 ± 0.01 37.5 ± 3.1
G34-6 18:53:18.6 +01:27:48 3.7 0.31 16.6 ± 0.2 0.98 ± 0.02 3.62 ± 0.06 1.92 ± 0.06 0.12 ± 0.04 125 ± 4 362 ± 8 126 0.34 ± 0.01 9.8 ± 0.2
G34-7 18:53:18.3 +01:27:13 3.7 0.23 16.4 ± 0.1 0.76 ± 0.00 1.62 ± 0.01 2.21 ± 0.09 0.30 ± 0.06 107 ± 4 165 ± 2 87 0.64 ± 0.03 4.5 ± 0.0
G34-8 18:53:16.4 +01:26:20 3.7 0.26 17.7 ± 0.6 0.72 ± 0.00 1.88 ± 0.01 2.79 ± 0.10 0.12 ± 0.05 152 ± 5 170 ± 10 108 0.90 ± 0.06 4.6 ± 0.3
G34-9 18:53:18.4 +01:28:14 3.7 0.34 16.6 ± 0.2 1.49 ± 0.05 6.13 ± 0.22 2.30 ± 0.04 0.10 ± 0.04 162 ± 2 610 ± 25 157 0.27 ± 0.01 16.5 ± 0.7
G35-4 18:57:06.7 +02:08:23 2.9 0.23 15.7 ± 0.8 0.79 ± 0.03 2.47 ± 0.08 1.36 ± 0.17 0.10 ± 0.05 64 ± 8 167 ± 14 108 0.39 ± 0.06 9.4 ± 0.8
G35-4 18:57:06.7 +02:08:23 2.9 0.23 15.7 ± 0.8 0.79 ± 0.03 2.47 ± 0.08 1.15 ± 0.06 0.53 ± 0.08 54 ± 3 167 ± 14 108 0.33 ± 0.03 9.4 ± 0.8
G35-5 18:57:08.8 +02:08:09 2.9 0.24 14.6 ± 0.3 0.79 ± 0.01 2.95 ± 0.02 1.71 ± 0.14 0.10 ± 0.03 88 ± 7 224 ± 9 118 0.39 ± 0.03 12.6 ± 0.5
G35-5 18:57:08.8 +02:08:09 2.9 0.24 14.6 ± 0.3 0.79 ± 0.01 2.95 ± 0.02 1.57 ± 0.07 0.37 ± 0.04 81 ± 4 224 ± 9 118 0.36 ± 0.02 12.6 ± 0.5
G35-6 18:57:08.4 +02:09:09 2.9 0.24 16.0 ± 0.2 0.77 ± 0.01 2.86 ± 0.03 1.27 ± 0.05 0.60 ± 0.08 65 ± 3 186 ± 4 71 0.35 ± 0.02 10.4 ± 0.3
G35-7 18:57:08.1 +02:10:50 2.9 0.26 14.8 ± 0.3 0.92 ± 0.01 3.78 ± 0.05 1.85 ± 0.04 0.36 ± 0.03 101 ± 2 281 ± 10 96 0.36 ± 0.02 15.8 ± 0.6
G35-8 18:57:07.0 +02:08:54 2.9 0.18 16.1 ± 0.5 0.59 ± 0.00 1.36 ± 0.01 1.52 ± 0.05 0.27 ± 0.05 59 ± 2 87 ± 4 59 0.68 ± 0.04 4.9 ± 0.2
G35-9 18:57:11.2 +02:07:27 2.9 0.17 14.0 ± 0.3 0.72 ± 0.01 1.43 ± 0.02 1.39 ± 0.05 0.73 ± 0.09 50 ± 2 115 ± 4 42 0.43 ± 0.02 6.5 ± 0.2
G35-10 18:57:07.7 +02:11:50 2.9 0.20 15.1 ± 0.3 0.48 ± 0.01 1.16 ± 0.02 1.23 ± 0.09 0.26 ± 0.07 52 ± 4 83 ± 3 − 0.62 ± 0.05 4.6 ± 0.2
G35-11 18:57:05.9 +02:12:30 2.9 0.13 16.7 ± 0.1 0.28 ± 0.00 0.31 ± 0.00 0.78 ± 0.05 0.90 ± 0.18 21 ± 1 19 ± 0 − 1.14 ± 0.08 1.0 ± 0.0
G38-1 19:04:07.4 +05:08:48 2.7 0.17 15.2 ± 0.1 1.33 ± 0.03 3.05 ± 0.06 1.94 ± 0.06 0.33 ± 0.05 71 ± 2 186 ± 5 117 0.38 ± 0.01 13.0 ± 0.3
G38-2 19:04:03.4 +05:07:56 2.7 0.14 18.5 ± 0.3 1.18 ± 0.02 2.01 ± 0.03 1.27 ± 0.06 0.15 ± 0.07 37 ± 2 91 ± 2 73 0.41 ± 0.02 6.3 ± 0.2
G38-3 19:04:07.4 +05:09:44 2.7 0.07 16.2 ± 0.0 0.93 ± 0.00 0.36 ± 0.00 1.72 ± 0.10 0.30 ± 0.08 25 ± 1 20 ± 0 11 1.26 ± 0.07 1.4 ± 0.0
G38-4 19:04:00.6 +05:09:06 2.7 0.20 18.1 ± 0.3 0.66 ± 0.01 1.94 ± 0.02 1.27 ± 0.12 0.22 ± 0.14 53 ± 5 90 ± 2 48 0.59 ± 0.06 6.3 ± 0.2
G38-5 19:04:07.4 +05:07:08 2.7 0.18 19.2 ± 0.1 0.31 ± 0.00 0.76 ± 0.01 0.98 ± 0.08 0.10 ± 0.39 37 ± 3 32 ± 1 − 1.15 ± 0.10 2.2 ± 0.0
G53-1 19:29:17.2 +17:56:21 1.8 0.07 19.3 ± 0.2 4.55 ± 0.60 5.44 ± 0.72 1.83 ± 0.03 0.10 ± 0.01 29 ± 0 102 ± 14 124 0.28 ± 0.04 24.0 ± 3.2
G53-2 19:29:20.2 +17:57:06 1.8 0.14 17.3 ± 1.0 0.77 ± 0.02 2.27 ± 0.06 1.23 ± 0.03 0.17 ± 0.03 35 ± 1 50 ± 5 44 0.69 ± 0.07 11.8 ± 1.1
G53-4 19:29:20.4 +17:55:04 1.8 0.18 17.2 ± 0.3 0.33 ± 0.01 1.72 ± 0.03 0.59 ± 0.04 0.71 ± 0.20 23 ± 1 39 ± 1 45 0.60 ± 0.04 9.1 ± 0.3

Notes. The distances (in Col. 4) of these IRDCs refer to the works from Rathborne et al. (2006) and Simon et al. (2006). Rcore (in Col. 5) indicates the radius of core. The duplicated sources, for example, G31-3, indicate that the corresponding spectra have two velocity components within core size.

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