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- W2342994782 abstract "Within the first 10 days after Swift discovered the jetted tidal disruption event (TDE) Sw J1644+57, simultaneous observations in the radio, near-infrared, optical, X-ray and gamma-ray bands were carried out. These multiwavelength data provide a unique opportunity to constrain the emission mechanism and make-up of a relativistic super-Eddington jet. We consider an exhaustive variety of radiation mechanisms for the generation of X-rays in this TDE, and rule out many processes such as SSC, photospheric and proton synchrotron. The infrared to gamma-ray data for Sw J1644+57 are consistent with synchrotron and external-inverse-Compton (EIC) processes provided that electrons in the jet are continuously accelerated on a time scale shorter than ~1% of the dynamical time to maintain a power-law distribution. The requirement of continuous electron acceleration points to magnetic reconnection in a Poynting flux dominated jet. The EIC process may require fine tuning to explain the observed temporal decay of the X-ray lightcurve, whereas the synchrotron process in a magnetic jet needs no fine tuning for this TDE." @default.
- W2342994782 created "2016-06-24" @default.
- W2342994782 creator A5005146997 @default.
- W2342994782 creator A5023792827 @default.
- W2342994782 creator A5026436990 @default.
- W2342994782 creator A5045415901 @default.
- W2342994782 creator A5056731608 @default.
- W2342994782 creator A5085190964 @default.
- W2342994782 date "2016-04-23" @default.
- W2342994782 modified "2023-09-26" @default.
- W2342994782 title "Swift J1644+57: an ideal test bed of radiation mechanisms in a relativistic super-Eddington jet" @default.
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- W2342994782 doi "https://doi.org/10.1093/mnras/stw967" @default.
- W2342994782 hasPublicationYear "2016" @default.
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