Open Access

Table 1

Observatories and spectrographs used to obtain the analysed spectra.

Spectrograph Telescope Diameter (m) Location
OSIRIS GTC 10.4 La Palma, Spain
ISIS WHT 4.2 La Palma, Spain
UVES VLT 8.2 Paranal, Chile
FORS2 VLT 8.2 Paranal, Chile
MIKE Clay Telescope 6.5 Las Campanas, Chile
MagE Baade Telescope 6.5 Las Campanas, Chile
HIRES KECK 10.0 Mauna Kea, Hawaii
Blanco echelle CTIO Blanco 4.0 CTIO, Chile
Mayall echelle KPNO Mayall Telescope 4.0 Arizona, USA

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