No anticorrelation between cyclotron line energy and X-ray flux in 4U 0115+634 S. Müller, C. Ferrigno, M. Kühnel, G. Schönherr, P. A. Becker, M. T. Wolff, D. Hertel, F.-W. Schwarm, V. Grinberg, M. Obst et al. (11 more) A&A, 551 (2013) A6 Published online: 08 February 2013 DOI: 10.1051/0004-6361/201220359