Table 2
Central position, sizes (radius or semi-axis) and projected distance from Sgr A* of the regions and sub-regions selected for the spectral analysis (see Fig. 2).
| Region | Ponti | RA (J2000) | Dec (J2000) | Size (arcmin) | dproj (pc) |
|
|
|||||
| The 9 clouds | |||||
| A | MC1 | 17:45:52.398 | –28:56:38.15 | 0.65 × 1.08 | 10.9 |
| B1 | MC2 | 17:45:59.592 | –28:57:10.09 | 0.91 × 0.91 | 12.6 |
| B2 | 1&2* | 17:46:04.394 | –28:55:56.74 | 0.90 × 0.68 | 16.3 |
| C | new | 17:45:57.026 | –28:55:22.91 | 0.8 × 0.8 | 14.7 |
| D | 3&4* | 17:46:04.252 | –28:54:39.64 | 0.75 × 0.75 | 18.3 |
| E | 5* | 17:46:10.997 | –28:54:09.50 | 1.12 × 0.83 | 21.6 |
| F | G0.11-0.11 | 17:46:21.627 | –28:53:11.36 | 2.75 × 1.22 | 27.2 |
| 17:46:22.615 | –28:55:00.14 | 1.68 × 0.95 | |||
| DS1 | new | 17:45:51.294 | –28:53:35.76 | 0.77 × 1.52 | 17.0 |
| DS2 | new | 17:45:43.377 | –28:55:14.99 | 1.78 × 1.16 | 12.3 |
|
|
|||||
| The 3 F subregions | |||||
| F1 | 17:46:17.084 | –28:52:49.45 | 1.49 × 1.01 | – | |
| 17:46:22.443 | –28:52:26.99 | 0.59 × 0.59 | – | ||
| F2 | 17:46:28.297 | –28:53:50.10 | 1.32 × 1.01 | – | |
| F3 | 17:46:22.615 | –28:55:00.14 | 1.68 × 0.95 | – | |
|
|
|||||
| Large regions | |||||
| EDE | 17:45:53.128 | –28:52:26.19 | 10.95 × 7.09 | – | |
| EDW | 17:45:13.233 | –29:06:46.85 | 10.95 × 7.09 | – | |
Notes. Note that region F (G0.11-0.11) and also sub-region F1 are comprised of two separate components. A cross-reference to the cloud designation employed by Ponti et al. (2010) is also provided. The clouds marked with a star are subregions of the Bridge feature identified by Ponti et al. (2010).
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