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A relativistic jetted outburst from a massive black hole fed by a tidally disrupted star

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arxiv 1104.3257 v1 pith:QCNW7G7Z submitted 2011-04-16 astro-ph.HE astro-ph.CO

A relativistic jetted outburst from a massive black hole fed by a tidally disrupted star

Joshua S. Bloom , Dimitrios Giannios , Brian D. Metzger , S. Bradley Cenko , Daniel A. Perley , Nathaniel R. Butler , Nial R. Tanvir , Andrew J. Levan
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Paul T. O' Brien Linda E. Strubbe Fabio De Colle Enrico Ramirez-Ruiz William H. Lee Sergei Nayakshin Eliot Quataert Andrew R. King Antonino Cucchiara James Guillochon Geoffrey C. Bower Andrew S. Fruchter Adam N. Morgan Alexander J. van der Horst
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keywords accretionblackgalaxiesmassivembhsontorelativisticstar
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While gas accretion onto some massive black holes (MBHs) at the centers of galaxies actively powers luminous emission, the vast majority of MBHs are considered dormant. Occasionally, a star passing too near a MBH is torn apart by gravitational forces, leading to a bright panchromatic tidal disruption flare (TDF). While the high-energy transient Swift J164449.3+573451 ("Sw 1644+57") initially displayed none of the theoretically anticipated (nor previously observed) TDF characteristics, we show that the observations (Levan et al. 2011) suggest a sudden accretion event onto a central MBH of mass ~10^6-10^7 solar masses. We find evidence for a mildly relativistic outflow, jet collimation, and a spectrum characterized by synchrotron and inverse Compton processes; this leads to a natural analogy of Sw 1644+57 with a smaller-scale blazar. The phenomenologically novel Sw 1644+57 thus connects the study of TDFs and active galaxies, opening a new vista on disk-jet interactions in BHs and magnetic field generation and transport in accretion systems.

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Cited by 5 Pith papers

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

  1. TDEs on FIRE: Illuminating the Cosmic Evolution of Tidal Disruption Rates

    astro-ph.HE 2026-06 unverdicted novelty 7.0

    FIRE-2 simulations show per-galaxy tidal disruption rates peak near z=2.5 at 4e-4 per year, correlate with SFR and central density, and remain high in satellite galaxies at early times.

  2. The emergence of X-ray emission lines during relativistic radio-jet formation in the changing-look active galactic nucleus 1ES 1927+654

    astro-ph.HE 2026-07 conditional novelty 6.0

    X-ray emission lines and a broad iron feature emerged in changing-look AGN 1ES 1927+654 concurrently with radio-jet formation and declining ionized outflows from 2022 to 2025.

  3. On the origin of anomalous dissipation in simulations of tidal disruption events

    astro-ph.HE 2026-05 unverdicted novelty 6.0

    Anomalous pre-intersection dissipation in TDE simulations is numerical in origin, arising from pericenter kinematics combined with algorithm sensitivities to converging versus diverging flows.

  4. Multi-wavelength Constraints on the Transient EP250905a

    astro-ph.HE 2026-07 conditional novelty 5.0

    EP250905a is best explained as a mildly off-axis structured-jet afterglow at z=2.714, possibly weakly magnified by a foreground galaxy at z=0.374.

  5. Simulations of interaction between outflow and surrounding broken power-law circumnuclear medium: implications for different radio light curves of TDEs

    astro-ph.HE 2026-06 unverdicted novelty 5.0

    3D hydro simulations show that TDE outflow interactions with a broken power-law CNM can reproduce the range of observed radio light curves via early flares inside the Bondi radius and possible late rebrightenings outside it.