Table 7
Brγ (and Paα) average luminosities and surface brightness for the U/LIRGs according to their LIR.
| Brγ and Paα Emission | ||||||||||
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| Region | Low | Intermediate | High | |||||||
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| LBrγ(× 105 L⊙) | SBrγ(L⊙ pc-2) | LBrγ(× 105 L⊙) | SBrγ(L⊙ pc-2) | LBrγ(× 105 L⊙) | SBrγ(L⊙ pc-2) | LPaα(× 105 L⊙) | SPaα(L⊙ pc-2) | |||
|
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| HII max | 0.958 (0.785) | 0.599 (0.490) | 1.292 (0.744) | 0.807 (0.465) | 22.92 (15.12) | 0.573 (0.378) | 236.5 (148.3) | 5.912 (3.708) | ||
| H2 max | 0.977 (0.722) | 0.611 (0.451) | 0.585 (0.452) | 0.366 (0.282) | ··· | 241.1 (143.8) | 6.026 (3.596) | |||
| [FeII] max | 0.873 (0.801) | 0.546 (0.501) | 0.709 (0.700) | 0.443 (0.438) | ··· | ··· | ||||
| Integrated | 7.829 (0.405) | 0.120 (0.048) | 15.450 (7.931) | 0.286 (0.067) | 97.76 (116.8) | 0.119 (0.072) | 521.5 (207.9) | 0.972 (0.792) | ||
| Nuclear | 0.991 (0.746) | 0.620 (0.467) | 0.909 (0.512) | 0.568 (0.320) | 23.14 (15.44) | 0.578 (0.386) | 233.8 (154.8) | 5.846 (3.869) | ||
Notes. The low-luminosity bin is defined as log(LIR/L⊙) < 11.35, the intermediate is defined as 11.35 ≤ log(LIR/L⊙) < 12, and the high-luminosity bin corresponds to the ULIRGs subsample, log(LIR/L⊙) ≥ 12. The standard deviation of the values within each bin is shown in brackets. The number of objects is six, four, and seven for the low, intermediate, and high luminosity bins, respectively.
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