ner_tags: O O O O O B-Observatory O O O B-Observatory I-Observatory I-Observatory I-Observatory O O B-Grant O O O O O O O O O O O O O O O O O
tokens: Based on observations made with ESO Telescopes at the La Silla Paranal Observatory under program 87.C-0040. We thank the anonymous reviewer for helpful comments and suggestions that helped us to improve our manuscript.