EPJ Web of Conferences
Volume 64, 2014Physics at the Magnetospheric Boundary
|Number of page(s)||4|
|Section||Physics at the Magnetospheric Boundary in Compact Objects (Part 2)|
|Published online||08 January 2014|
Simulation of cyclotron resonant scattering features
The effect of bulk velocity
1 Dr. Karl Remeis-Sternwarte Bamberg, Sternwartstraße 7, 96049 Bamberg, Germany
2 Erlangen Centre for Astroparticle Physics (ECAP), Erwin-Rommel-Str. 1, 91058 Erlangen, Germany
3 Leibniz-Institut für Astrophysik Potsdam, An der Sternwarte 16, 14482 Potsdam, Germany
a e-mail: Fritz.Schwarm@sternwarte.uni-erlangen.de
Published online: 8 January 2014
X-ray binary systems consisting of a mass donating optical star and a highly magnetized neutron star, under the right circumstances, show quantum mechanical absorption features in the observed spectra called cyclotron resonant scattering features (CRSFs). We have developed a simulation to model CRSFs using Monte Carlo methods. We calculate Green’s tables which can be used to imprint CRSFs to arbitrary X-ray continua. Our simulation keeps track of scattering parameters of individual photons, extends the number of variable parameters of previous works, and allows for more flexible geometries. Here we focus on the influence of bulk velocity of the accreted matter on the CRSF line shapes and positions.
© Owned by the authors, published by EDP Sciences, 2014
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