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A quasi-periodic oscillation in the blazar J1359+4011

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arxiv 1309.1158 v1 pith:XF2JEIKS submitted 2013-09-04 astro-ph.HE astro-ph.COastro-ph.GA

classification astro-ph.HEastro-ph.COastro-ph.GA
keywords oscillationquasi-periodicaccretiongalacticj1359radioactiveanalog
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abstract

The OVRO 40-m telescope has been monitoring the 15 GHz radio flux density of over 1200 blazars since 2008. The 15 GHz light curve of the flat spectrum radio quasar J1359+4011 shows a strong and persistent quasi-periodic oscillation. The time-scale of the oscillation varies between 120 and 150 days over a $\sim4$ year time span. We interpret this as the active galactic nucleus mass-scaled analog of low-frequency quasi-periodic oscillations from Galactic microquasars, or as evidence of modulation of the accretion flow by thermal instabilites in the "inner" accretion disc.

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Cited by 1 Pith paper

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. OpenAlex reports about 81 citations worldwide. Full citation record

  1. Constraining Orbital Eccentricity of a Supermassive Black Hole Binary Candidate PKS 2131-0211

    astro-ph.HE 2026-06 unverdicted novelty 4.0 of 10

    Bayesian fitting of an eccentric Keplerian orbit to the radio light curve of PKS 2131-021 gives e = 0.053 ± 0.015 without red noise but favors a circular orbit plus DRW noise with e < 0.15.

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