Table 1
Summary of sources.
| Source name | RA α (J2000) | Dec δ (J2000) | υsys (kms−1) | SiO (1−0) | H2O maser | CH3OH maser | Selected category | ATLASGAL name | Classification |
|---|---|---|---|---|---|---|---|---|---|
| IRAS18032−2032 | 18:06:14 | −20:31:47 | 5.0 | Y(b) | Y | Y | UCHII | 009.621+00.194 | MSF (radio-HII)w |
| G8.67−0.36 | 18:06:19 | −21:37:32 | 38.0 | Y(b) | Y | Y | UCHII | 008.671−00.356 | MSF (radio-HII)w |
| G10.47+0.03 | 18:08:38 | −19:51:52 | 66.2 | Y(b) | Y | Y | UCHII | 010.472+00.027 | MSF (radio-HII)w |
| G10.30−0.15 | 18:08:56 | −20:05:54 | 11.0 | Y(b) | Y | Y | UCHII | 010.299−00.147 | MSF (radio-HII)w |
| G10.15−0.34 | 18:09:25 | −20:19:15 | 5.0 | N | N | N | UCHII | – | MSF (radio-HII)w |
| IRAS18073−2046 | 18:10:17 | −20:45:43 | 28.0 | N | Y | Y | UCHII | 009.879−00.751 | MSF (radio-HII)w |
| G10.62−0.38 | 18:10:24 | −19:56:15 | −3.0 | N | Y | Y | UCHII | – | MSF (radio-HII)w |
| IRAS18085−1931 | 18:11:33 | −19:30:39 | −1.1 | Y(e) | N | N | UCHII | 011.109−00.397 | MSF (radio-HII)w |
| HM18089−1732 | 18:11:51 | −17:31:28 | 33.0 | Y(c) | Y | Y | HMPO | 012.888+00.489 | MSF (radio-HII) |
| HM18090−1832 | 18:12:02 | −18:31:56 | 110.0 | N | N | N | HMPO | 012.024−00.031 | YSO |
| G12.21−0.10 | 18:12:40 | −18:24:21 | 20.0 | Y(b,c) | Y | Y | UCHII | 012.208−00.102 | MSF (radio-HII)w |
| G12.43−0.05 | 18:12:55 | −18:11:08 | 40.0 | N | N | N | UCHII | 012.431−00.049 | MSF (radio-HII)w |
| HM18102−1800 | 18:13:12 | −17:59:35 | 21.0 | Y(b) | N | Y | HMPO | – | unclassified |
| G11.94−0.62 | 18:14:01 | −18:53:24 | 38.9 | Y(b,c) | Y | Y | UCHII | 011.936−00.616 | MSF (radio-HII)w |
| HM18144−1723 | 18:17:24 | −17:22:13 | 47.0 | Y(a,c) | Y | Y | HMPO | 013.658−00.599 | YSO |
| G015.05+00.07 MM2 | 18:17:40 | −15:48:55 | 24.7 | N | N | N | IRDC | 015.053+00.089 | YSO |
| G015.05+00.07 MM1 | 18:17:50 | −15:53:38 | 24.7 | Y(d) | N | N | IRDC | 015.006+00.009 | Quiescent |
| HM18151−1208 | 18:17:57 | −12:07:22 | 33.0 | Y(e) | Y | Y | HMPO | – | unclassified |
| HM18159−1550 | 18:18:48 | −15:48:54 | 60.0 | N | N | N | HMPO | 015.184−00.159 | MSF (HII) |
| G015.31−00.16MM2 | 18:18:50 | −15:43:19 | 31.1 | N | N | N | IRDC | 015.271−00.122 | Protostellar |
| G015.31−00.16MM1 | 18:18:56 | −15:45:00 | 31.1 | N | N | N | IRDC | – | unclassified |
Notes. This table only shows a fraction of the whole table; the full table is available at the CDS. υsys is systemic velocity, and the velocity information is obtained from several molecular line observations (NH3; Churchwell et al. 1990; Molinari et al. 1996; Beuther et al. 2002; Chira et al. 2013; CS; Bronfman et al. 1996). (*)UCHII sources without ATLASGAL classification. The presence of SiO wings in rotational transitions, 1–0 from this survey and 2–1 from the survey presented in Csengeri et al. (2016a) are indicated with four different classifications:(a) indicates wing features in SiO 1–0 emission, and (b) means SiO wing candidates for cases with a SiO FWHM ≥8 kms,(c) indicates SiO wings in the 2–1 transition, and (d) is for the cases that there are no wings in 2–1 transition but a broad Gaussian component has a FWHM line width ≥ 8 kms, (e) marks for sources without any sign of wing features in either 1–0 or 2–1 transitions.
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