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Imprints of a high-velocity wind on the soft X-ray spectrum of PG1211+143

Pounds, K. A ; Lobban, A ; Reeves, J. N ; Vaughan, S ; Costa, M

Monthly Notices of the Royal Astronomical Society, 2016, Vol. 459(4), pp.4389-4396 [Periódico revisado por pares]

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  • Título:
    Imprints of a high-velocity wind on the soft X-ray spectrum of PG1211+143
  • Autor: Pounds, K. A ; Lobban, A ; Reeves, J. N ; Vaughan, S ; Costa, M
  • Assuntos: Galaxies: Active ; Galaxies: Individual: Pg1211+143 ; Galaxies: Seyfert ; X - Rays: Galaxies
  • É parte de: Monthly Notices of the Royal Astronomical Society, 2016, Vol. 459(4), pp.4389-4396
  • Descrição: An extended XMM–Newton observation of the luminous narrow-line Seyfert galaxy PG1211+143 in 2014 has revealed a more complex high-velocity wind, with components distinguished in velocity, ionization level, and column density. Here we report soft X-ray emission and absorption features from the ionized outflow, finding counterparts of both high-velocity components, v  ∼ 0.129c and v  ∼ 0.066c, recently identified in the highly ionized Fe K absorption spectrum. The lower ionization of the comoving soft X-ray absorbers imply a distribution of higher density clouds embedded in the main outflow, while much higher column densities for the same flow component in the hard X-ray spectra suggest differing sightlines to the continuum X-ray source.

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