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Home All issues Volume 702 (October 2025) A&A, 702 (2025) A35 Full HTML
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Table 1

Parameters of the HMC sample.

ID Sources name RA (J2000) Dec (J2000) VLSRa (km s−1) DGCb (kpc) 12C/13Cc
1 I08303 08:32:09.190 −43:13:44.30 14.5 9.0 63.7
2 I08470 08:48:47.720 −42:54:22.00 12.1 8.8 62.7
3 I09018 09:03:32.820 −48:28:06.20 9.9 8.8 62.7
4 I11298 11:32:06.030 −62:12:20.50 33.4 10.1 68.9
5 I12326 12:35:34.810 −63:02:32.10 −39.5 7.2 55.1
6 I13079 13:11:13.730 −62:34:40.20 −41.3 6.9 53.7
7 I13134 13:16:42.990 −62:58:29.30 −32.0 6.9 53.7
8 I13140 13:17:15.900 −62:42:27.00 −34.4 6.9 53.7
9 I13471 13:50:42.100 −61:35:14.90 −57.8 6.4 51.3
10 I13484 13:51:58.640 −61:15:43.30 −55.3 6.4 51.3
11 I14498 14:53:42.530 −59:08:53.20 −50.2 6.4 51.3
12 I15254 15:29:19.480 −56:31:23.20 −68.6 5.7 47.9
13 I15437 15:47:33.110 −53:52:43.90 −83.4 5.0 44.6
14 I15520 15:55:48.390 −52:43:09.80 −41.8 6.2 50.3
15 I16060 16:09:52.850 −51:54:54.70 −92.1 4.5 42.2
16 I16065 16:10:19.600 −52:06:07.10 −62.5 5.2 45.6
17 I16071 16:10:59.010 −51:50:21.60 −86.5 4.5 42.2
18 I16076 16:11:27.120 −51:41:56.90 −87.8 4.5 42.2
19 I16164 16:20:10.910 −50:53:15.50 −56.7 5.4 46.5
20 I16172 16:21:02.930 −50:35:11.60 −53.3 5.4 46.5
21 I16272 16:30:58.020 −48:43:46.60 −46.8 5.8 48.4
22 I16318 16:35:33.200 −47:31:11.30 −120.8 3.3 36.5
23 I16344 16:38:10.380 −47:04:56.70 −49.7 5.4 46.5
24 I16348 16:38:29.420 −47:00:39.70 −47.8 5.4 46.5
25 I16351 16:38:50.610 −47:27:59.70 −40.8 5.7 47.9
26 I16458 16:49:30.410 −45:17:53.60 −50.9 5.1 45.1
27 I16484 16:52:03.990 −46:08:24.60 −32.4 6.4 51.3
28 I16547 16:58:17.260 −42:52:04.50 −30.6 5.8 48.4
29 I17008 17:04:23.200 −40:44:24.90 −17.3 6.1 49.9
30 I17016 17:05:11.020 −41:29:07.80 −26.8 7.0 54.2
31 I17158 17:19:20.340 −39:03:53.30 −16.6 5.1 45.1
32 I17175 MM1 17:20:53.570 −35:46:59.80 −8.7 7.0 54.2
33 I17175 MM2 17:20:53.570 −35:46:59.80 −8.7 7.0 54.2
34 I17220 17:25:24.990 −36:12:41.10 −97.2 1.3 27.0
35 I17233 17:26:42.800 −36:09:16.80 −3.1 7.0 54.2
36 I17441 17:47:19.790 −28:23:05.70 50.8 0.2 21.7
37 I18032 18:06:14.300 −20:31:35.00 4.4 3.4 37.0
38 I18056 18:08:38.180 −19:51:49.00 66.4 1.6 28.4
39 I18089 18:11:51.060 −17:31:27.20 32.9 5.9 48.9
40 I18117 18:14:39.250 −17:51:59.80 37.1 5.9 48.9
41 I18159 18:18:54.340 −16:47:45.90 22.4 6.9 53.7
42 I18182 18:21:09.220 −14:31:46.80 59.3 4.1 40.3
43 I18236 18:26:25.650 −12:03:57.60 26.1 6.3 50.8
44 I18290 18:31:42.980 −09:22:26.00 84.0 4.0 39.8
45 I18316 18:34:20.580 −05:59:41.60 42.7 6.5 51.8
46 I18411 18:43:46.260 −03:35:23.90 103.5 4.0 39.8
47 I18469 18:49:33.150 −01:29:06.20 86.6 4.7 43.2
48 I18507+0110 18:53:18.120 +01:15:00.10 58.2 7.1 54.6
49 I18507+0121 18:53:18.150 +01:25:22.40 57.8 7.1 54.6
50 I18517 18:54:14.110 +04:41:43.10 43.9 6.6 52.2
51 I19078 19:10:13.410 +09:06:10.40 6.2 7.6 57.0
52 I19095 19:11:53.900 +09:35:45.90 43.8 5.8 48.4

Notes. a The VLSR was retrieved from Liu et al. (2024). b The DGC was retrieved from Liu et al. (2020). c The 12C/13C ratio was derived from the formula proposed by Yan et al. (2023).

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