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Table 2
Classification of the sources and statistics of the subsamples defined in Sect. 3.5.
| Class | No. (%) | 1 kpc <d<7 kpc | M ≥ 650 M⊙ | ||||||||
| 1 kpc <d<7 kpc | |||||||||||
|
|
|||||||||||
| All | 430 | 310 | 75 | ||||||||
| H II | 78 (18%) | 42 (14%) | 29 (40%) | ||||||||
| Infrared-bright | 135 (31%) | 99 (32%) | 28 (36%) | ||||||||
| Infrared-quiet | 217 (51%) | 169 (54%) | 18 (24%) | ||||||||
Notes. In parenthesis we show the fraction of sources with respect to the total number of objects within the given subsamples.
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