The giant outburst of 4U 0115+634 in 2011 with Suzaku and RXTE Minimizing cyclotron line biases

We acknowledge funding by the European Space Agency under contract number C4000115860/15/NL/IB, by the Bundesministerium fur Wirtschaft und Technologie under Deutsches Zentrum fur Luft- und Raumfahrt grants 50OR0808, 50OR0905, 50OR1113, and 50OR1207, and by the Deutscher Akademischer Austauschdienst. MTW is supported by the NASA Astrophysical Data Analysis Program and the Chief of Naval Research. VG is supported through the Margarethe von Wrangell fellowship by the ESF and the Ministry of Science, Research and the Arts Baden-Wurttemberg. SMN and JMT acknowledge Spanish Ministerio de Ciencia, Tecnologia e Innovacion (MCINN) through the grant ESP2016-76683-C3-1-R and ESP2017-85691-P, respectively. We thank John E. Davis for the development of the SLxfig module, which was used to create all figures in the paper. We thank the anonymous referee for her/his constructive comments on how to improve our paper.