Table 1.
Summary of the number of known sources of each type considered together with those included in the set of labelled sources because of having all observables.
| Considered | Labelled sources | Classified | |
|---|---|---|---|
| sources | set | p ≥ 0.5 | |
| Herbig Ae/Be | 255 | 163 | – |
| T-Tauri | 3171 | 685 | – |
| PMS | 3426 | 848 | 8470 |
| Classical Be | 1992 | 775 | 693 |
Notes. The last column indicates the number of new candidates of each type classified by the algorithm. To be considered, we demanded the sources to be present in Gaia DR2. For the algorithm there is just a single class of PMS objects, which is constructed by combining known Herbig Ae/Be and T-Tauri stars. Herbig Ae/Be and T-Tauri candidates can be selected from the set of PMS candidates using the HR diagram. In Sect. 4.3 1361 Herbig Ae/Be candidates were obtained this way.
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