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Table 1
Young open clusters (age <100 Myr) observed by the Gaia-ESO survey in the first 18 months of observations, whose analysis is discussed in this paper.
| Cluster | Approximate Age | Distance | GIRAFFE | UVES | |||
| (Myr) | (pc) | All | WTTS/CTTS | All | WTTS/CTTS | iDR | |
|
|
|||||||
| ρ Oph | 1 | 120 | 200 | 30 | 23 | 5 | 2 |
| Cha I | 2 | 160 | 674 | 93 | 49 | 14 | 1, 2 |
| NGC 2264 | 3 | 760 | 1706 | 446 | 118 | 23 | 2 |
| γ Vel | ~5–10 | 350 | 1242 | 200 | 80 | 2 | 1, 2 |
| NGC 2547 | 35 | 361 | 450 | 44 | 26 | 1 | 2 |
| NGC 6705 | 250 | 1877 | 1028 | 0 | 49 | 0 | 2 |
Notes. The cluster NGC 6705 (M11) has also been included for validation and comparison across the survey.
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