Swift J1644+5734: The EVN view

Z Paragi, J. Yang, S. Komossa, A. Van Der Horst, L. I. Gurvits, R. M. Campbell, D. Giannios, T. An

Research output: Contribution to journalArticleScientificpeer-review


A small fraction of Tidal Disruption Events (TDE) produce relativistic jets, evidenced by their non-thermal X-ray spectra and transient radio emission. Here we present milliarcsecond-resolution imaging results on TDE J1644+5734 with the European VLBI Network (EVN). These provide a strong astrometric constraint on the average apparent jet velocity βapp < 0.27, that constrains the intrinsic jet velocity for a given viewing angle.

Original languageEnglish
Pages (from-to)119-122
Number of pages4
JournalProceedings of the International Astronomical Union
Issue numberS324
Publication statusPublished - 2016


  • astrometry
  • black hole physics
  • galaxies: active
  • radio continuum: galaxies
  • techniques: interferometric
  • X-rays: bursts


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