A Possible Relativistic Jetted Outburst from a Massive Black Hole Fed by a Tidally Disrupted Star

@article{Bloom2011APR,
  title={A Possible Relativistic Jetted Outburst from a Massive Black Hole Fed by a Tidally Disrupted Star},
  author={Joshua S. Bloom and Dimitrios Giannios and Brian D. Metzger and S. Bradley Cenko and Daniel A. Perley and Nathaniel R. Butler and Nial R. Tanvir and Andrew J. Levan and Paul T. O' Brien and Linda E. Strubbe and Fabio De Colle and Enrico Ramirez-Ruiz and William H. Lee and S Nayakshin and Eliot Quataert and Andrew King and Antonino Cucchiara and James Guillochon and Geoffrey C. Bower and Andrew S. Fruchter and Adam N. Morgan and Alexander J. van der Horst},
  journal={Science},
  year={2011},
  volume={333},
  pages={203 - 206}
}
A recent bright emission observed by the Swift satellite is due to the sudden accretion of a star onto a massive black hole. Gas accretion onto some massive black holes (MBHs) at the centers of galaxies actively powers luminous emission, but most MBHs are considered dormant. Occasionally, a star passing too near an MBH is torn apart by gravitational forces, leading to a bright tidal disruption flare (TDF). Although the high-energy transient Sw 1644+57 initially displayed none of the… 

Relativistic jet activity from the tidal disruption of a star by a massive black hole

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Observations of a bright X-ray flare from the extragalactic transient Swift J164449.3+573451 conclude that they have captured the onset of relativistic jet activity from a supermassive black hole.

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Radio follow-up observations of known thermal stellar tidal disruption flares (TDFs) are monitored and a detection of variable radio emission from a thermal TDF, which is interpreted as originating from a newly launched jet, suggests that all TDFs could be accompanied by a jet.

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The tidal disruption of a star by a supermassive black hole provides us with unique information for otherwise dormant galactic nuclei. It has long been predicted that the disruption will be

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TLDR
It is concluded that the tidal disruption of a star naturally explains the observed high-energy properties and radio luminosity and the inferred rate of such events, and the weaker beaming in the radio-frequency spectrum relative to γ-rays or X-rays suggests that radio searches may uncover similar events out to redshifts of z ≈ 6.

Tidal disruption and magnetic flux capture: powering a jet from a quiescent black hole

The transient Swift J1644+57 is believed to have been produced by an unlucky star wandering too close to a supermassive black hole (BH) leading to a tidal disruption event. This unusual flare

An Extremely Luminous Outburst from a Relativistic Tidal Disruption Event

  • A. Levan
  • Physics
    Proceedings of the International Astronomical Union
  • 2011
Abstract We present the discovery and monitoring observations of Swift 1644+57, a luminous outburst from the nucleus of a galaxy at z = 0.35. Precise astrometry ties the source to within a few

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