Open Access
Table I.1
Number of Gaussians fitted to the PDF.
| Velocity | c-C3 H2 -o | H13CO+ | 13CO | CS | C34 S | 13CS | SO | SiO | HNC | HN13C | HC15N | CH3OH |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| (km s−1) | ||||||||||||
| Galactic centre | ||||||||||||
| − 105.9 | 1 | 1 | 2 | o.t. | 1 | 1 | n | 1 | o.t. | 2 | n | 1 |
| − 93.7 | 1 | n | 1 | 1 | n | n | n | 1 | 1 | n | n | n |
| − 81.5 | 1 | 1 | 2 | 1 | 1 | n | n | n | 1 | n | 2 | n |
| − 74.6 | 1 | 1 | 1 | 1 | 1 | n | n | 1 | 1 | n | 2 | n |
| − 3.2 | 2 | 2 | 1 | 2 | n | n | 1 | 2 | 2 | 1 | 1 | 1 |
| 2.0 | 1 | 2 | 1 | o.t. | 1 | 2 | 1 | 1 | 1 | 2 | 2 | 1 |
| 7.3 | 1 | 1 | 1 | o.t. | 2 | 1 | 2 | 2 | o.t. | 2 | 2 | 2 |
| 3 kpc arm | ||||||||||||
| − 48.4 | 1 | 1 | 2 | 1 | n | n | n | 1 | 1 | n | n | n |
| − 39.7 | 1 | 1 | o | 1 | 2 | n | 1 | 1 | 1 | n | n | n |
| 4 kpc arm | ||||||||||||
| − 27.6 | 1 | 1 | 1 | 1 | n | n | n | 2 | 1 | n | n | n |
| − 18.9 | 1 | 1 | 1 | 1 | n | n | 1 | n | 1 | n | n | n |
| Scutum arm | ||||||||||||
| 24.7 | 1 | 2 | 1 | 1 | n | n | 2 | 2 | 1 | n | n | 2 |
| 31.6 | 1 | 1 | 2 | 2 | n | n | 2 | 1 | 1 | n | n | 1 |
| 36.9 | 1 | 1 | 1 | 2 | n | n | 2 | 1 | 1 | 1 | n | 2 |
| Sagittarius arm | ||||||||||||
| 17.7 | 2 | 2 | 1 | 1 | 1 | n | 1 | 2 | 1 | 2 | 2 | 1 |
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