Red giants in open clusters - X. NGC 1817 J.-C. Mermilliod, D. W. Latham, E. V. Glushkova, M. A. Ibrahimov, V. M. Batirshinova, R. P. Stefanik and D. J. James A&A, 399 1 (2003) 105-112 Published online: 05 February 2003 DOI: 10.1051/0004-6361:20021777