Structural parameters of the hot pulsating B subdwarf Feige 48 from asteroseismology S. Charpinet, G. Fontaine, P. Brassard, M. Billères, E. M. Green and P. Chayer A&A, 443 1 (2005) 251-269 Published online: 21 October 2005 DOI: 10.1051/0004-6361:20053294