Multiple cyclotron line-forming regions in GX 301-2

Furst, F; Falkner, S; Marcu-Cheatham, D; Grefenstette, B; Tomsick, J; Pottschmidt, K; Walton, DJ; Natalucci, L; Kretschmar, P

Furst, F (reprint author), ESAC, Sci Operat Dept, Madrid 28692, Spain.

ASTRONOMY & ASTROPHYSICS, 2018; 620 ():