Table 2
Imaging information.
| Tracer | ν | Eup | Weight | HPBW | rms | Speak |
|---|---|---|---|---|---|---|
| (GHz) | (K) | (″) | mJy beam−1 | mJy beam−1 | ||
| DUST CONTINUUM | 217.8240 | ... | R0.5 | 0.207 | 0.16 | 14.63 |
| CH3OH (42,2–31,2) E | 218.4400 | 45.4 | R0.5 | 0.184 | 3.4a | 220.1a |
| CH3OH (102,8–93,7) A+ | 232.4186 | 165.4 | R0 | 0.155 | 1.0 | 114.4 |
| CH3OH (183,16–174,13) A+ | 232.7835 | 446.5 | R0 | 0.155 | 1.0 | 107.3 |
| CH3CN (123–113) | 220.7090 | 133.1 | R0 | 0.155 | 1.4 | 110.4 |
| CH3CN (124–114) | 220.6793 | 183.1 | R0 | 0.155 | 1.4 | 98.1 |
Notes. Columns 1 and 2 list the tracer and central frequency of each map (or molecular transition), respectively. For the line emission, Col. 3 specifies the upper excitation energy of the molecular transition. Column 4 reports the Briggs’ robustness parameter set for the imaging. Column 5 reports the restoring (circular) beam size, set equal to the geometrical average of the major and minor axes of the dirty beam size. Columns 6 and 7 report the rms of the map and the peak brightness of the emission, respectively. (a) Units of mJy beam−1 km s−1.
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