Metallicity and effective temperature of the secondary of RS Ophiuchi Ya. V. Pavlenko, A. Evans, T. Kerr, L. Yakovina, C. E. Woodward, D. Lynch, R. Rudy, R. L. Pearson and R. W. Russell A&A, 485 2 (2008) 541-545 Published online: 28 April 2008 DOI: 10.1051/0004-6361:20078622