Grinberg, V.Nowak, M.Wilms, J.Pooley, G. G.Pottschmidt, KatjaHell, N.Tomsick, J. A.Uttley, P.Rodriguez, J.2023-09-062023-09-062014-03-28Grinberg, V. et al. “Cygnus X-1 in the intermediate state”. ATel.6021, (28 March 2014). https://www.astronomerstelegram.org/?read=6021http://hdl.handle.net/11603/29591en-USThis item is likely protected under Title 17 of the U.S. Copyright Law. Unless on a Creative Commons license, for uses protected by Copyright Law, contact the copyright holder or the author.RadioX-rayBinaryBlack HoleText