Astronomy and Astrophysics – Astronomy
Scientific paper
Feb 2010
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010head...11.4317s&link_type=abstract
American Astronomical Society, HEAD meeting #11, #43.17; Bulletin of the American Astronomical Society, Vol. 41, p.734
Astronomy and Astrophysics
Astronomy
Scientific paper
The strongly magnetized accretion column of X-ray pulsars is still not understood in many aspects like, e.g., its basic geometry and physical parameters. Cyclotron Resonance Scattering Features (short: cyclotron lines) are now becoming a possible tool to tap this mystery. As they form due to scattering processes of X-ray photons with magnetically quantized electrons in the accreted plasma, a better physical understanding of their formation and shape along with direct comparisons to observational data allows to backtrack the physical parameters and magnetic field structure in the line-forming region. High-resolution spectra with todays’ and future instruments now allow for an in-depth analysis of their shapes, promising exciting progress. We discuss results based on our new modelling attempts, which link theoretical Monte Carlo simulations directly to observational findings.
Kretschmar Peter
Kreykenbohm Ingo
MAGNET Collaboration
Pottschmidt Katja
Rothschild Richard
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