Table 2
CO(1−0) velocity integrated flux (from 1129 to 1159 km s-1), SCO, molecular gas mass, mean molecular surface density, atomic gas mass, mean atomic surface density, and molecular gas mass fraction in different regions.
| Region | Area | SCO | Mmol | Σmol | Matomb | Σatom | Mmol /Mgas |
| [kpc2] | [Jy km s-1] | [106M⊙] | [M⊙ pc-2] | [106M⊙] | [M⊙ pc-2] | ||
|
|
|||||||
| NE | 2.9 | 3.4 ± 0.2 | 10.3 ± 0.6 | 3.6 ± 0.2 | 26 ± 3 | 8.9 ± 0.9 | 0.28 ± 0.03 |
| SW | 1.7 | 2.0 ± 0.2 | 6.1 ± 0.6 | 3.5 ± 0.4 | 13 ± 1 | 7.9 ± 0.8 | 0.32 ± 0.05 |
| Totala | 5.2 | 5.4 ± 0.2 | 16.4 ± 0.6 | 3.2 ± 0.1 | 46 ± 5 | 8.9 ± 0.9 | 0.26 ± 0.03 |
Notes.
“Total” refers to the CO-emitting area for both the molecular and the atomic gas mass, not to the total HI area of the TDG (see Fig. 5).
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