Table 3
Values of the aIR coefficients for the calibration of hybrid tracers: global values (see Sect. 4.5.2 for a detailed explanation).
| Hybrid tracers | Without type-2 AGN | With type-2 AGN | ||||||
|
|
||||||||
| SFR = 5.5 × 10-42 [L(Hα)obs + aIR×L(22 μm)] | 0.018 [164] |
0.015 [263] |
||||||
| SFR = 5.5 × 10-42 [L(Hα)obs + aIR×L(TIR)] | 0.0019 [135] |
0.0015 [218] |
||||||
| SFR = 4.6 × 10-44 [L(FUV)obs + aIR×L(22 μm)] | 4.52 [113] |
3.55 [187] |
||||||
| SFR = 4.6 × 10-44 [L(FUV)obs + aIR×L(TIR)] | 0.40 [94] |
0.33 [156] |
||||||
Notes. The errors quoted here are the 1σ dispersions measured as the interval that includes 68% of the data points around the median, and correspond with the spread of the histograms in Fig. 16. Note that the standard error of the median, computed from the asymptotic variance formula as 1.253 × σ/
, where σ is referred to the values listed here and N is the number of galaxies shown in brackets, decreases these errors considerably (black tick marks shown at the top in Fig. 16). The luminosities in these expressions are in erg s-1 and the values of the SFR are expressed in M⊙ yr-1.
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