Consequences of narrow cyclotron emission from Hercules X-1

Details Consequences of narrow cyclotron emission from Hercules X-1 Consequences of narrow cyclotron emission from Hercules X-1

Apr 1978

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978stin...7825028w&link_type=abstract

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Computer Science

Cyclotron Radiation, Hercules Nova, Spectral Emission, X Ray Spectra, Compton Effect, Line Spectra, Monte Carlo Method

Scientific paper

The implications of the recent observations of a narrow cyclotron line in the hard X-ray spectrum of Hercules X-1 are studied. A Monte Carlo code is used to simulate the X-ray transfer of an intrinsically narrow feature at approximately 56 keV through an opaque, cold magnetospheric shell. The results of this study indicate that if a narrow line can be emitted by the source region, then only about 10% of the photons remain in a narrow feature after scattering through the shell. The remaining photons are scattered into a broad feature (FWHM approximately 30 keV) that peaks near 20 keV. Thus, these calculations indicate that the intrinsic source luminosity of the cyclotron line is at least an order of magnitude greater than the observed luminosity.

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