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Table 2
Summary of the GES and public spectroscopic observations for Tr 20.
| Setup used | λλ | Time exp. | # stars |
| (nm) | (min) | ||
|
|
|||
| UVES 580 nm | 476.0−684.0 | 3 × 50 | 525 |
| GIRAFFE HR15N | 647.0−679.0 | 3 × 50 | 42 |
| GIRAFFE HR09B | 514.3−535.6 | a | 954 |
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