... systems

Based on observations made with ESO Telescopes at the Paranal Observatories under programme IDs 076.C-0556(A) and 077.C-0438(A).

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... stars

Taken from the list of Cohen et al. (1999).

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... online

http://perso.ens-lyon.fr/france.allard/ and http://zenith.as.arizona.edu/burrows/

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