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A Highly Magnetized Twin-Jet Base Pinpoints a Supermassive Black Hole

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arxiv 1605.07100 v2 pith:ZX57RWC7 submitted 2016-05-23 astro-ph.GA astro-ph.HE

A.-K. Baczko , R. Schulz , M. Kadler , E. Ros , M. Perucho , T.P. Krichbaum , M. Böck , M. Bremer
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C. Grossberger M. Lindqvist A.P. Lobanov K. Mannheim I. Martí-Vidal C. Müller J. Wilms J.A. Zensus
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keywords blackblandfordholejetsmagneticmodelsngc1052radius
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abstract

Supermassive black holes (SMBH) are essential for the production of jets in radio-loud active galactic nuclei (AGN). Theoretical models based on Blandford & Znajek extract the rotational energy from a Kerr black hole, which could be the case for NGC1052, to launch these jets. This requires magnetic fields of the order of $10^3\,$G to $10^4\,$G. We imaged the vicinity of the SMBH of the AGN NGC1052 with the Global Millimetre VLBI Array and found a bright and compact central feature, smaller than 1.9 light days (100 Schwarzschild radii) in radius. Interpreting this as a blend of the unresolved jet bases, we derive the magnetic field at 1 Schwarzschild radius to lie between 200 G and ~80000 G consistent with Blandford & Znajek models.

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Cited by 3 Pith papers

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

  1. Decoding the jet of BL Lacertae using relativistic magneto-hydrodynamics

    astro-ph.HE 2026-08 conditional novelty 6.0 of 10

    The highest optical polarization flare ever seen from a blazar is explained by a sweeping, Doppler-boosted helical jet component, and the jet appears proton-dominated.

  2. Energy Extraction from Loop Quantum Black Holes: The Role of Magnetic Penrose Process and Quantum Gravity Effects with Astrophysical Insights

    gr-qc 2024-12 conditional novelty 5.0 of 10

    In the rotating loop quantum black hole spacetime, the maximum magnetic Penrose process efficiency decreases with the quantum parameter epsilon, from 20.7% at epsilon=0 to about 19.3% at the maximal spin for epsilon=0.3.

  3. Gravitational wave signatures of magnetized Ernst black hole

    gr-qc 2026-07 conditional novelty 4.0 of 10

    Magnetic fields in the Ernst black-hole spacetime alter zoom-whirl EMRI waveforms, spectra, and characteristic strain in ways the authors claim LISA-class detectors could probe.

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