Extrasolar planets and brown dwarfs around A-F type stars - I. Performances of radial velocity measurements, first analyses of variationsF. Galland, A.-M. Lagrange, S. Udry, A. Chelli, F. Pepe, D. Queloz, J.-L. Beuzit and M. MayorA&A, 443 1 (2005) 337-345DOI: https://doi.org/10.1051/0004-6361:20052938