Table 2
Target sources.
| Source (a) | RA | Dec | Distance (b) | Gas mass (c) | Luminosity (c) | L∕M | Category |
|---|---|---|---|---|---|---|---|
| (J2000) | (J2000) | (kpc) | (102 M⊙) | (103 L⊙) | (L⊙/M⊙) | ||
| G18.606–00.074 (G18) | 18h25s08s.27 | −12°45′22.s 7 | 3.7 | 19 | 0.75 | 0.4 | IR weak |
| G28.397+00.080 (G28) | 18h42s52s.08 | −03°59′53.s 7 | 4.8 | 37 | 12 | 3.2 | IR bright |
| G19.882–00.534 (G19) | 18h29s14s.19 | −11°50′28.s 4 | 3.7 | 20 | 99 | 4.8 | IR bright |
| G08.684–00.367 (G08a) | 18h06s23s.35 | −21°37′05.s 2 | 4.8 | 27 | 27 | 10.2 | IR weak |
| G31.412+00.307 (G31) | 18h47s34s.32 | −01°12′45.s 5 | 7.9 | 182 | 161 | 9.0 | HII |
| G08.671–00.356 (G08b) | 18h06s19s.23 | −21°37′26.s 8 | 4.8 | 52 | 11 | 20.7 | HII |
| G13.658–00.599 (G13) | 18h17s23s.46 | −17°22′09.s 2 | 4.5 | 12 | 24 | 19.9 | IR bright |
| G10.624–00.380 (G10) | 18h10s28s.638 | −19°55′49.s 1 | 4.95 | 84 | 511 | 60 | HII |
Notes. (a) The abbreviated source names are given in parentheses. (b)The references for the source distances are: Green & McClure-Griffiths (2011) for G08a, G08b, and G19; Sanna et al. (2014) for G10; Wienen et al. (2015) for G13; Churchwell et al. (1990) for G31; Carey et al. (2000) for G28; Sridharan et al. (2005) for G18. (c) The gas mass and luminosity of the clump is taken from Urquhart et al. (2018), but scaled to the adopted distance of the clump.
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