Table 2.
Fluxes (in K km s−1 kpc2) retrieved with or without short spacings and in GMCs at the native ALMA resolution (0.64″).
| Environment | Area (kpc2) | Flux in 12 m + 7 m + TP |
Flux in 12 m + 7 m | Flux in GMCs (e) | |
|---|---|---|---|---|---|
| Inside mask (d) | |||||
| Total | Inside mask (d) | ||||
| Whole TDG (a) | 25.6 | 37.1 | 4.86 (13.1%) | 4.58 (94.2%) | 6.76 (18.2%) |
| North (b) | 15.8 | 28.5 | 3.93 (13.8%) | 3.70 (94.1%) | 5.44 (19.1%) |
| South (c) | 9.9 | 8.5 | 0.93 (10.9%) | 0.88 (94.6%) | 1.32 (15.5%) |
Notes.
Whole TDG is the entire ALMA field-of-view, where the primary beam response exceeds 20% (dashed blue line in Fig. 3; ∼80″×70″).
Flux inside 4σ dilated mask (the mask is identical in both cases and is based on the 12 m + 7 m cube). The fourth and fifth columns indicate the percentage of the total 12 m + 7 m + TP flux that is inside the dilated mask and the percentage of 12 m + 7 m + TP flux recovered with 12 m + 7 m inside the same mask, respectively.
Total flux in all GMCs identified with CPROPS, after extrapolation to 0 K and deconvolution of the beam; without extrapolation and deconvolution, the total flux in GMCs is considerably lower, 2.46 K km s−1 kpc2. The percentage of the total 12 m + 7 m + TP flux is listed. The total flux in GMCs identified with SCIMES (Appendix A.2) is 8.18 and 2.94 K km s−1 kpc2 for the extrapolated and non-extrapolated version, respectively.
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