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Constraining the geometry of AGN outflows with reflection spectroscopy

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arxiv 1805.11884 v1 pith:UHFZNKR4 submitted 2018-05-30 astro-ph.HE

classification astro-ph.HE
keywords reflectiondiscgeometryinclinationoutflowsvelocityabsorbingabsorption
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We collate active galactic nuclei (AGN) with reported detections of both relativistic reflection and ultra-fast outflows. By comparing the inclination of the inner disc from reflection with the line-of-sight velocity of the outflow, we show that it is possible to meaningfully constrain the geometry of the absorbing material. We find a clear relation between the velocity and inclination, and demonstrate that it can potentially be explained either by simple wind geometries or by absorption from the disc surface. Due to systematic errors and a shortage of high- quality simultaneous measurements our conclusions are tentative, but this study represents a proof-of-concept that has great potential.

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Cited by 1 Pith paper

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score.

  1. First detection of ultra-fast outflows in a quiescent galaxy

    astro-ph.GA 2026-07 conditional novelty 7.0 of 10

    First detection of an ultra-fast outflow (v≈0.07c) in a quiescent galaxy quenched ~9 Gyr ago, suggesting AGN winds can maintain quiescence independent of global star formation.

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