A Hipparcos study of the Hyades open cluster - Improved colour-absolute magnitude and Hertzsprung-Russell diagramsJ. H. J. de Bruijne, R. Hoogerwerf and P. T. de ZeeuwA&A, 367 1 (2001) 111-147DOI: https://doi.org/10.1051/0004-6361:20000410