EDP Sciences
Section Astrophysical processes
DOI https://doi.org/10.1051/0004-6361/201630275

Luminosity-dependent changes of the cyclotron line energy and spectral hardness in Cepheus X-4

A&A, Forthcoming article
Received: 17 December 2016 / Accepted: 08 February 2017
DOI: https://doi.org/10.1051/0004-6361/201630275