Corrections of Sun-as-a-star p-mode frequencies for effects of the solar cycle A.-M. Broomhall, W. J. Chaplin, Y. Elsworth, S. T. Fletcher and R. New A&A, 503 1 (2009) 241-245 Published online: 23 June 2009 DOI: 10.1051/0004-6361/200912286