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Swift J1644+5734: the EVN view

Z. Paragi ; Jun Yang (Institutionen för rymd- och geovetenskap, Onsala rymdobservatorium) ; S. Komossa ; A. van der Horst ; L.I. Gurvits ; R.M. Campbell ; D. Giannios ; T. An
New Frontiers in Black Hole Astrophysics, Proceedings IAU Symposium Vol. 324 (2017),
[Konferensbidrag, refereegranskat]

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.

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



Denna post skapades 2017-01-26. Senast ändrad 2017-01-26.
CPL Pubid: 247715

 

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Institutioner (Chalmers)

Institutionen för rymd- och geovetenskap, Onsala rymdobservatorium (2010-2017)

Ämnesområden

Högenergiastrofysik
Extragalaktisk astronomi

Chalmers infrastruktur