uvby FCAPT photometry of the mCP stars HR 2258, MW Vul, and HR 9017 and the HgMn star 46 ρ AqrS. J. Adelman and K. J. YoungA&A, 429 1 (2005) 317-322DOI: https://doi.org/10.1051/0004-6361:20041118