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Extra-galactic jets: a hard X-ray view

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arxiv 1911.11777 v1 pith:JE4JJ5IY submitted 2019-11-26 astro-ph.HE

classification astro-ph.HE
keywords jetspowerfulblazarsemissionenergeticenergieshardhigh
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Extragalactic jets are the most powerful persistent sources of the universe. Those pointing at us are called blazars. Their relativistically boosted emission extends from radio frequencies to TeV energies. They are also suspected to be the sources of energetic neutrinos and high energies cosmic rays. The study of their overall spectrum indicates that most of the emission of powerful blazars is in hard X-rays or in soft gamma-rays. In this band we can find the most powerful jets, visible also at high redshifts. It is found that the jet power is linked to the accretion luminosity, and exceeds it, especially if they produce energetic neutrinos, that require the presence of ultrarelativistic protons.

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Cited by 1 Pith paper

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

  1. X-ray Spectral Properties of Four Classical TeV Blazars using Simultaneous Observations from NICER and NuSTAR

    astro-ph.HE 2026-07 conditional novelty 4.0 of 10

    Simultaneous NICER+NuSTAR spectra of four TeV blazars show that 6 spectra require a blackbody component interpreted as accretion disk emission during low-flux states, plus Gaussian features at 1.4–1.7 keV in Mrk 421.

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