Table 3.
Physical properties of our target galaxy and clumps.
| ID | Mmol | SFR | Σmol | ΣSFR | tdep | RUV | R[C II] |
|---|---|---|---|---|---|---|---|
| (108 M⊙) | (M⊙ yr−1) | (M⊙ pc−1) | (M⊙ yr−1 kpc−2) | (Gyr) | (pc) | (pc) | |
| (1) | (2) | (3) | (4) | (5) | (6) | (7) | (8) |
| Galaxy-integrated | 20.5 ± 2.0 | 10.1 ± 0.5 | 734.5 ± 59.9 | 2.4 ± 0.2 | 0.38 ± 0.04 | 736 | 1352 × 950 |
| Clump NE | 3.5 ± 0.9 | 2.2 ± 0.2 | 1158.1 ± 281.7 | 7.3 ± 0.1 | 0.16 ± 0.04 | 251 | < 311 (⋆) |
| Clump SW | 4.3 ± 1.0 | < 0.3 | 852.8 ± 200.7 | < 0.6 | > 1.35 | – | < 399 |
| Clump C (tentative) | 2.2 ± 0.5 | < 0.3 | 408.5 ± 100.0 | < 0.6 | > 0.65 | – | < 418 |
| Clump UV-C1 | – | 1.1 ± 0.1 | – | – | – | < 207 | – |
| Clump UV-C2 | – | 0.5 ± 0.04 | – | – | < 202 | – | |
| Clump UV-SE | – | 1.6 ± 0.1 | – | – | 391 | – |
Notes. All properties have been corrected for magnification. Columns: (1) Galaxy ID; (2) Molecular gas mass obtained from the [C II] luminosity; (3) Star formation rate obtained from the UV luminosity; (4) Molecular gas surface density. For the [C II]-detected clumps this is computed by considering the R[C II] upper limit as the size of the clump; (5) SFR surface density for the [C II]-detected clumps. The R[C II] upper limit is considered as the size of the clump, for consistency with the Σmol estimate. If we were to consider the RUV instead our conclusions would not change substantially; (6) Depletion time; (7) Effective radius of the UV continuum emission; (8) Semi-major and semi-minor axis of the [C II] line emission, when resolved, and semi-minor axis upper limit (corresponding to the beam semi-minor axis) when unresolved. All properties listed here are intrinsic (i.e., corrected for magnification). (⋆)This clump is detected also when using “robust” weighting with parameter 1 (instead of “natural” which is instead used to detect the other clumps). We determine the upper limit on the size of the NE clump from the semi-minor axis of the beam obtained with robust weighting, while for the SW and C clump we consider the beam size obtained with “natural” weighting.
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