Structural parameters of the hot pulsating B subdwarf PG 1219+534 from asteroseismology S. Charpinet, G. Fontaine, P. Brassard, E. M. Green and P. Chayer A&A, 437 2 (2005) 575-597 Published online: 21 June 2005 DOI: 10.1051/0004-6361:20052709