Table 7
Abundances and fraction of diffuse ionized emission in the central regions of LIRGs.
| Galaxy | 12 + log (O/H) | DIG fraction | |
| NICMOS | 2 × MW – MW | ||
|
|
|||
| NGC 23 | 8.8 |
|
6−32 |
| MCG +12-02-001 | 8.7 |
|
9−35 |
| UGC 1845 | 8.7 |
|
1−16 |
| NGC 2388 | 8.8 |
|
2−17 |
| MCG +02-20-003 | 8.7 |
|
24−60 |
| NGC 5936 | 8.9 |
|
1−16 |
| NGC 6701 | 8.9 |
|
4−28 |
| NGC 7469 | – | – | 2−23 |
| NGC 7591 | 8.9 |
|
47−76 |
| NGC 7771 | 8.9 |
|
1−10 |
Notes. The abundances are derived using the O3N2 index measured in the integrated PMAS spectra (Sect. 6.2). The NICMOS DIG fractions are from H ii region photometry on the HST/NICMOS Paα images. The 2 × MW and MW DIG fractions are from comparing the spatially resolved [S ii]λ6717/Hα ratios in our LIRGs with those of the Milky Way H ii regions and DIG (see Sect. 6.3 for details).
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