SIMBAD references

2019MNRAS.487L..30T - Mon. Not. R. Astron. Soc., 487, L30-L34 (2019/July-3)

Cyclotron emission, absorption, and the two faces of X-ray pulsar A 0535+262.

TSYGANKOV S.S., DOROSHENKO V., MUSHTUKOV A.A., SULEIMANOV V.F., LUTOVINOV A.A. and POUTANEN J.

Abstract (from CDS):

Deep NuSTAR observation of X-ray pulsar A 0535+262, performed at a very low luminosity of ∼7 x 1034 erg s–1, revealed the presence of two spectral components. We argue that the high-energy component is associated with cyclotron emission from recombination of electrons collisionally excited to the upper Landau levels. The cyclotron line energy of Ecyc = 47.7 ± 0.8 keV was measured at the luminosity of almost an order of magnitude lower than what was achieved before. The data firmly exclude a positive correlation of the cyclotron energy with the mass accretion rate in this source.

Abstract Copyright: © 2019 The Author(s) Published by Oxford University Press on behalf of the Royal Astronomical Society

Journal keyword(s): accretion, accretion discs - scattering - stars: magnetic field - stars: neutron - pulsars: general - X-rays: binaries

Simbad objects: 4

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