Table 4
Mass, dust temperature, velocity, and intensity scale factors of the hot cores.
| Core | #4 | #1 | #2 | #3 | #5 | #11 | #10 | #9 | |
|---|---|---|---|---|---|---|---|---|---|
| RA (J2000) | 18h47m | 46s.98 | 47s.02 | 46s.84 | 46s.37 | 46s.76 | 46s.52 | 46s.91 | 46s.48 |
| Dec (J2000) | −1°54′ | 26″.42 | 26″.86 | 29″.30 | 33″.41 | 31″.21 | 24″.26 | 29″.99 | 32″.54 |
| Mcoere (M⊙) | 36 ± 3 | 102 ± 5 | 55 ± 6 | 59 ± 2 | 18 ± 1 | 2.1 ± 0.3 | 16 ± 1 | 18 ± 1 | |
| Tdust (K) | 88 ± 7 | 74 ±2 | 59 ± 4 | 45 ± 1 | 47 ± 1 | 93 ± 11 | 51 ± 2 | 50 ± 1 | |
| v (km s−1) | 102.3 | 100.2 | 99.2 | 97.2 | 99.0 | 93.9 | 100.8 | 96.4 | |
| CH3OCHO intensity factor | 1 | 1.2 | 3.1 | 6.6 | 15.4 | 15.5 | 22.8 | 29.1 | |
| Slope | 1 | 0.9 | 2.7 | 7.2 | 16.5 | 11.3 | 28.0 | 32.2 |
Notes. The coordinates, masses, and temperatures are from M18. v is the core velocity in the local standard of rest. The CH3OCHO intensity factors are estimated from the six lines (three doublets) of CH3OCHO so that the intensities match those of core #4. The slope refers to the fit of Fig. 13 and is renormalised to 1 for core #4 for comparison with the CH3OCHO intensity factor.
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