Abstract
view Abstract Citations (2) References (9) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS Monte Carlo Simulation of Comptonization in Plasma Accreting onto Neutron Stars Hanawa, Tomoyuki Abstract It is shown by Monte Carlo simulation that high-energy X-rays are produced through Compton scattering in plasma accreting onto neutron stars where the gas infalls radially. The neutron star surface is heated by the gravitational energy release of the accreting gas and radiates soft X-ray photons. The X-ray from the surface are scattered by electrons in the plasma accreting onto the star. Since the infalling velocity is nearly half light speed, the energy of the scattered X-ray changes by 50 percent. Some X-rays are scattered repeatedly between the star and the accreting gas and become high-energy X-rays. The scattered X-ray photons have a power-law spectrum in high-energy range. This model is applied to X-ray spectra of type II bursts from the rapid burster MXB 1730 - 335. Publication: The Astrophysical Journal Pub Date: January 1991 DOI: 10.1086/169584 Bibcode: 1991ApJ...366..495H Keywords: Accretion Disks; Neutron Stars; Space Plasmas; Stellar Mass Accretion; Stellar Radiation; X Rays; Compton Effect; Computational Astrophysics; Monte Carlo Method; Astrophysics; RADIATION MECHANISMS; STARS: ACCRETION; STARS: NEUTRON; X-RAYS: BURSTS full text sources ADS | data products SIMBAD (2)
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