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Table 1
Mean value and the standard deviation of the bolometric attenuation fdust and the UV heating fraction ξUV as a function of the morphological type.
| Type | N gal | f dust | ξ UV | ||
| mean±std | mean±std | ||||
|
|
|||||
| Sa | 23 | 0.23±0.14 | 0.38±0.24 | ||
| Sab | 20 | 0.23±0.12 | 0.36±0.19 | ||
| Sb | 48 | 0.32±0.15 | 0.50±0.21 | ||
| Sbc | 31 | 0.36±0.10 | 0.56±0.15 | ||
| Sc | 37 | 0.37±0.11 | 0.61±0.17 | ||
| Scd | 29 | 0.34±0.10 | 0.67±0.16 | ||
| Sd | 18 | 0.33±0.06 | 0.70±0.19 | ||
| Sdm | 10 | 0.28±0.08 | 0.71±0.14 | ||
| Sm | 4 | 0.32±0.08 | 0.85±0.04 | ||
| Im | 8 | 0.35±0.09 | 0.74±0.13 | ||
| Pec | 10 | 0.26±0.15 | 0.53±0.29 | ||
| total | 238 | 0.32±0.13 | 0.56±0.22 | ||
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