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Table 1

Properties of identified clumps around the bubble Hii  region Gum 31.

Clump RA, DecJ2000 I peak S ν θmaj × θmin R D M tot n N H2 T dust HCO+
number (hms, ° ′ ′′) () (Jy) (′′×′′) (pc) (M⊙) (cm-3) (1022 cm-2) (K) (BYF†)
1 10 37 59, –58 46 34 1.76 23.41 86.8 × 61.1 0.42 2050 93 500 10.4 25 77b
2 10 37 51, –58 47 18 1.71 8.21 45.7 × 41.8 0.23 770 203 800 10.9 24 77a
3 10 38 07, –58 45 26 1.59 30.26 113.9 × 66.5 0.51 2800 72 300 9.9 24 77c
4 10 37 01, –58 33 59 0.96 16.62 120.3 × 57.5 0.48 1450 43 800 5.6 25 70a
5 10 37 38, –58 46 52 0.92 13.51 87.5 × 66.7 0.44 1130 43 900 5.2 26 77d
6 10 37 54, –58 45 57 0.93 4.65 53.5 × 37.2 0.23 410 103 400 5.5 25 77b
7 10 36 55, –58 36 34 0.83 6.11 79.4 × 36.8 0.29 530 70 700 4.9 25 70b
8 10 37 02, –58 24 27 0.87 7.21 74.6 × 44.1 0.32 820 84 400 6.7 21 67
9 10 38 37, –58 44 32 0.79 28.03 130.1 × 108.7 0.71 2430 23 300 4.6 25
10 10 38 49, –58 47 10 0.76 32.98 194.8 × 88.3 0.78 2640 18 900 4.1 26
11 10 38 24, –58 45 36 0.73 18.59 132.8 × 76.1 0.59 1640 26 900 4.4 25
12 10 36 54, –58 37 52 0.56 4.52 56.7 × 56.1 0.31 390 40 600 3.2 25 70b
13 10 36 51, –58 28 47 0.56 3.65 69.3 × 37.1 0.27 370 60 800 3.9 22 66
14 10 36 56, –58 31 30 0.52 6.10 96.8 × 48.2 0.39 580 33 600 3.3 23 69
15 10 38 53, –58 44 58 0.54 3.56 105.0 × 24.8 0.23 290 76 200 3.0 26
16 10 37 58, –58 44 01 0.51 5.84 97.4 × 46.2 0.38 480 29 600 2.9 26
17 10 38 36, –58 49 20 0.51 6.95 127.8 × 42.3 0.41 540 26 100 2.7 27
18 10 37 43, –58 27 49 0.48 4.93 77.8 × 52.7 0.36 470 32 500 3.1 23 72
19 10 37 45, –58 26 22 0.48 3.75 58.2 × 53.6 0.31 370 40 600 3.2 23 72
20 10 38 34, –58 47 48 0.48 16.91 130.1 × 106.5 0.70 1290 12 800 2.5 28
21 10 37 25, –58 46 48 0.46 8.71 97.5 × 77.4 0.51 700 17 900 2.5 27
22 10 38 52, –58 49 03 0.50 1.94 57.2 × 26.8 0.18 150 77 100 2.6 27
23 10 37 46, –58 37 42 0.40 2.30 69.2 × 33.2 0.25 140 30 100 1.7 32
24 10 38 50, –58 43 33 0.38 2.68 71.5 × 39.1 0.29 200 27 900 1.9 28
25 10 37 35, –58 42 59 0.36 4.86 91.1 × 58.9 0.42 390 17 400 1.9 27
26 10 37 27, –58 48 17 0.34 5.48 99.0 × 63.7 0.46 470 16 300 2.0 25
27 10 37 46, –58 43 43 0.34 3.44 78.1 × 51.8 0.36 270 19 100 1.8 27
28 10 38 46, –58 41 44 0.33 1.05 46.5 × 26.8 0.16 70 52 700 1.5 28
29 10 36 43, –58 38 07 0.33 4.79 90.5 × 63.0 0.44 390 15 600 1.8 26
30 10 37 46, –58 47 53 0.34 2.37 61.3 × 44.5 0.29 170 23 500 1.6 29
31 10 38 09, –58 46 37 0.34 1.47 44.9 × 38.0 0.21 120 38 600 1.8 27
32 10 37 02, –58 32 31 0.32 2.68 98.3 × 33.7 0.30 240 27 900 1.9 24
33 10 38 08, –58 44 20 0.35 2.35 83.4 × 32.2 0.27 180 30 900 1.8 27
34 10 38 49, –58 44 47 0.33 2.09 69.1 × 36.1 0.27 170 30 200 1.9 26
35 10 37 37, –58 26 50 0.31 1.74 59.0 × 37.4 0.25 160 34 700 2.0 24 72
36 10 36 56, –58 30 07 0.31 2.69 64.8 × 53.1 0.33 240 22 100 1.9 25
37 10 37 46, –58 45 53 0.33 3.22 64.1 × 60.4 0.35 240 17 700 1.6 28
38 10 36 49, –58 47 51 0.29 6.04 117.7 × 70.0 0.53 520 11 700 1.7 25
39 10 36 58, –58 35 11 0.30 2.75 78.0 × 46.2 0.34 220 19 200 1.6 28
40 10 37 39, –58 30 35 0.28 12.56 187.0 × 94.5 0.79 990 6800 1.5 27
41 10 37 09, –58 33 07 0.29 1.73 72.8 × 32.0 0.25 130 27 600 1.5 28
42 10 39 05, –58 42 40 8.94 329.38 147.3 × 80.9 0.65 550 6800 1.2 25
43 10 39 28, –58 42 36 7.31 464.92 162.3 × 126.9 0.86 810 4400 1.1 24
44 10 39 10, –58 40 25 6.91 270.21 127.7 × 99.2 0.67 470 5300 1.0 24
45 10 38 34, –58 33 21 6.21 153.44 101.8 × 78.5 0.53 240 5600 0.8 25
46 10 38 47, –58 35 20 6.04 170.64 103.5 × 88.4 0.56 270 5100 0.8 25
47 10 38 11, –58 30 46 5.69 128.66 90.4 × 81.0 0.50 200 5300 0.7 25
48 10 38 36, –58 27 15 5.94 394.71 156.4 × 137.6 0.88 680 3400 0.8 24
49 10 38 07, –58 39 45 5.45 129.48 94.8 × 81.1 0.52 180 4400 0.6 27
50 10 38 18, –58 28 34 5.59 397.16 208.4 × 110.5 0.91 520 2400 0.6 27
51 10 39 15, –58 29 52 5.44 846.49 242.6 × 207.4 1.35 1390 1900 0.7 25
52 10 39 06, –58 38 37 5.28 149.84 120.4 × 76.3 0.56 230 4300 0.7 26
53 10 38 40, –58 31 16 5.29 368.83 178.7 × 126.2 0.90 510 2400 0.6 27
54 10 39 45, –58 41 16 5.33 292.23 147.5 × 120.4 0.79 520 3450 0.8 24
55 10 39 21, –58 25 54 5.20 312.22 160.3 × 121.3 0.83 600 3500 0.8 23
56 10 38 42, –58 24 47 5.09 285.67 184.5 × 184.5 0.80 610 4000 0.9 23
57 10 38 17, –58 41 04 4.79 290.35 176.9 × 111.0 0.84 360 2100 0.5 28
58 10 38 49, –58 33 44 4.69 175.54 131.5 × 92.0 0.65 270 3300 0.6 25
59 10 39 22, –58 36 27 4.23 597.59 251.0 × 182.3 1.29 890 1400 0.5 26
60 10 38 27, –58 37 46 3.75 542.53 263.4 × 177.8 1.30 670 1100 0.4 28

Notes. Clumps 1 to 41 were identified at 870 μm while clumps 42 to 60 at 250 μm.

(†)

From Table 4 and Fig. 34 of Barnes et al. (2011).

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