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Table 1

Properties of the observed sources.

Source RA [J2000] Dec [J2000] vLSR da Mb Lbolb IR-8 μm IR-22 μm
(km s-1) (kpc) (M) (L)

G19.27+0.1M2 18:25:52.60 –12:04:48.0 26.9 2.4 60 200 quiet quiet
G19.27+0.1M1 18:25:58.50 –12:03:59.0 26.5 2.4 200 400 quiet quiet
G19.61–0.24A 18:27:38.16 –11:56:40.2 42.4 12.6c 10 000d 3 400 000d loud loud
G20.08–0.14 18:28:10:28 –11:28:48.7 42.5 3.4e 400a 19 700a loud loud
IRAS 18264–1152 18:29:14.40 –11:50:21.3 43.9 3.5 1600 19 000 loud loud
G23.60+0.0M1 18:34:11.60 –08:19:06.0 106.5 6.2f 1800 5200 quiet quiet
IRAS 18316–0602 18:34:20.46 –05:59:30.4 42.5 3.1 1600 32 000 loud loud
G23.60+0.0M2 18:34:21.10 –08:18:07.0 53.6 3.9 300 3000 quiet quiet
G24.33+0.1M1 18:35:07.90 –07:35:04.0 113.6 6.7f 2600 48 000 quiet loud
G25.04–0.2M1 18:38:10.20 –07:02:34.0 63.8 4.3f 400a 1300a quiet quiet
G34.43+0.2M1 18:53:18.00 +01:25:23.0 58.1 3.7 1400 24 000 quiet loud
IRAS 18507+0121 18:53:19.58 +01:24:37.1 58.2 3.7 3100 14 500 loud loud
G34.43+0.2M3 18:53:20.40 +01:28:23.0 59.4 3.7 600 1400 quiet quiet
IRAS 19095+0930 19:11:54.02 +09:35:52.0 44.0 3.3 1000 50 600 loud loud
IRAS 18151–1208_2 18:17:50.50 –12:07:55.0 29.8 3.0 quiet

Reference.

(d)

mass and bolometric luminosity from López-Sepulcre et al. (2011) for 3.8 kpc are rescaled to 12.6 kpc;

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