Table 1
Characteristics of the compact sources in G035.39–00.33 and its close surroundings.
| # | RA (2000) | Dec (2000) | Size | Tdust | M | Lbol | L > 350 μm/Lbol | Possible nature |
| [pc] | [K] | [ M⊙] | [L⊙] | [%] | ||||
|
|
||||||||
| 1* | 18:56:59.0 | 2:04:53 | 0.12 | 26 ± 6 | 21 ± 14 | 3300 | 0.6 | UCH II region |
| 2* | 18:57:05.1 | 2:06:29 | 0.12 | 27 ± 6 | 24 ± 16 | 4700 | 0.5 | IR-bright protostellar MDC |
| 3* | 18:56:40.9 | 2:09:55 | 0.13 | 24 ± 5 | 34 ± 22 | 3100 | 0.7 | IR-bright protostellar MDC |
| 4* | 18:56:45.5 | 2:06:18 | 0.13 | 25 ± 9 | 2 ± 2 | 130 | 2 | low-mass dense core |
| 5 | 18:57:09.4 | 2:10:41 | 0.13 | 17 ± 2 | 9 ± 1 | 52–100 | > 5 | low-mass dense core |
| 6 | 18:57:08.4 | 2:10:53 | 0.13 | 16 ± 3 | 20 ± 12 | 70–200 | > 5 | IR-quiet protostellar MDC |
| 7 | 18:57:09.3 | 2:07:51 | 0.12 | 12 ± 1 | 49 ± 17 | 50–130 | > 6 | IR-quiet protostellar MDC |
| 8* | 18:56:57.0 | 2:05:11 | 0.20 | 23 ± 8 | 5 ± 4 | 130–210 | > 1 | low-mass dense core |
| 9* | 18:56:59.7 | 2:07:13 | 0.17 | 22 ± 4 | 3 ± 1 | 70–120 | > 3 | low-mass dense core |
| 10 | 18:57:07.2 | 2:08:21 | 0.12 | 13 ± 2 | 32 ± 14 | 40–110 | > 8 | IR-quiet protostellar MDC |
| 11 | 18:57:09.1 | 2:08:26 | 0.12 | 12 ± 1 | 37 ± 20 | 40–100 | > 7 | IR-quiet protostellar MDC |
| 12 | 18:57:07.9 | 2:09:38 | 0.12 | 14 ± 3 | 12 ± 7 | 20–50 | > 11 | low-mass dense core |
| 13* | 18:56:41.4 | 2:14:30 | 0.27 | 21 ± 8 | 7 ± 5 | 210–280 | > 2 | low-mass dense core |
| 14* | 18:56:54.5 | 2:03:24 | 0.14 | 18 ± 5 | 3 ± 2 | 30–60 | > 7 | low-mass dense core |
| 15* | 18:57:24.1 | 2:06:21 | 0.13 | 21 ± 2 | 2 ± 1 | 20–40 | > 4 | low-mass dense core |
| 16 | 18:57:08.5 | 2:08:05 | 0.12 | 11 ± 1 | 46 ± 19 | 30–90 | > 9 | IR-quiet protostellar MDC |
| 17 | 18:57:08.3 | 2:09:04 | 0.15 | 13 ± 2 | 50 ± 19 | 50–140 | > 9 | IR-quiet protostellar MDC |
| 18 | 18:57:07.8 | 2:10:40 | 0.14 | 14 ± 2 | 20 ± 9 | 40–120 | > 6 | IR-quiet protostellar MDC |
| 19* | 18:57:23.0 | 2:06:41 | 0.12 | 15 ± 2 | 3 ± 1 | 10–20 | > 9 | low-mass dense core |
| 20 | 18:57:09.4 | 2:09:35 | 0.13 | 14 ± 2 | 16 ± 5 | 30–60 | > 10 | low-mass dense core |
| 21 | 18:57:06.0 | 2:12:31 | 0.13 | 16 ± 2 | 5 ± 3 | 20–30 | > 7 | low-mass dense core |
| 22 | 18:57:06.5 | 2:08:31 | 0.13 | 14 ± 2 | 23 ± 13 | 30–90 | > 10 | IR-quiet protostellar MDC |
| 23 | 18:57:09.2 | 2:11:03 | 0.15 | 14 ± 6 | 5 ± 4 | 10–20 | > 6 | low-mass dense core |
| 24* | 18:56:40.6 | 2:00:33 | 0.18 | 15 ± 5 | 5 ± 4 | 20–30 | > 6 | low-mass dense core |
| 25* | 18:57:03.3 | 2:06:50 | 0.17 | 14 ± 2 | 14 ± 7 | 20–40 | > 12 | low-mass dense core |
| 26* | 18:56:41.0 | 2:13:22 | 0.19 | 13 ± 1 | 20 ± 8 | 20–40 | > 12 | Starless MDC |
| 27 | 18:57:09.8 | 2:10:13 | 0.12 | – | – | 5–10 | > 35 | – |
| 28 | 18:57:08.1 | 2:11:06 | 0.16 | 11 ± 1 | 55 ± 11 | 30–60 | > 20 | IR-quiet protostellar MDC |
Notes. Sources outside the IRDC are marked with an asterisk; FWHM deconvolved sizes are measured at 160 μm; dust temperature and mass are derived from SED modelling (see Fig. 4); bolometric and submillimeter luminosities are measured from SEDs (see Sect. 4.3) and lower limit of L > 350 μm/Lbol are given when sources are undetected at any wavelengths in the 3.6–70 micron range.
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