activity
20122026
most citedOn the maximum accretion luminosity of magnetized neutron stars: connecting X-ray pulsars and ultraluminous X-ray sources

226 citations · 2.4k across the 77 of their papers we have counts for

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Showing 2015Show all

4 papers · 1 filter

astro-ph.HE2015★ 41 cited

Compton scattering S-matrix and cross section in strong magnetic field

Alexander A. Mushtukov, Dmitrij I. Nagirner, Juri Poutanen

Compton scattering of polarized radiation in a strong magnetic field is considered. The recipe for calculation of the scattering matrix elements, the differential and total cross s…

astro-ph.HE2015★ 73 cited

Positive correlation between the cyclotron line energy and luminosity in sub-critical X-ray pulsars: Doppler effect in the accretion channel

Alexander A. Mushtukov, Sergey S. Tsygankov, Alexander V. Serber +2

Cyclotron resonance scattering features observed in the spectra of some X-ray pulsars show significant changes of the line centroid energy with the pulsar luminosity. Whereas for b…

astro-ph.HE2015★ 158 cited

Propeller effect in action in the ultraluminous accreting magnetar M82 X-2

Sergey S. Tsygankov, Alexander A. Mushtukov, Valery F. Suleimanov +1

We present here the first convincing observational manifestation of a magnetar-like magnetic field in an accreting neutron star in binary system - the first pulsating ultra-luminou…

astro-ph.HE2015★ 226 cited

On the maximum accretion luminosity of magnetized neutron stars: connecting X-ray pulsars and ultraluminous X-ray sources

Alexander A. Mushtukov, Valery F. Suleimanov, Sergey S. Tsygankov +1

We study properties of luminous X-ray pulsars using a simplified model of the accretion column. The maximal possible luminosity is calculated as a function of the neutron star (NS)…