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The radio core of the Ultraluminous Infrared Galaxy F00183-7111: watching the birth of a quasar
Ray P. Norris, Emil Lenc, Alan L. Roy +1
F00183-7111 is one of the most extreme Ultra-Luminous Infrared Galaxies known. Here we present a VLBI image which shows that F00183-7111 is powered by a combination of a radio-loud…
New Global VLBI observations of the gravitational lensing system MG J0414+0534
F. Volino, O. Wucknitz, R. W. Porcas +9
The gravitational lens system MG J0414+0534 is formed by an elliptical galaxy at redshift ~0.96 and a quasar at z~2.64. The system geometry is typical of lensing by an elliptical g…
Detection of the H92alpha recombination line from NGC 4945
A. L. Roy, T. Oosterloo, W. M. Goss +1
Context. Hydrogen ionized by young, high-mass stars in starburst galaxies radiates radio recombination lines (RRLs), whose strength can be used as a diagnostic of the ionization ra…
A gravitationally lensed water maser in the early Universe
C. M. V. Impellizzeri, J. P. McKean, P. Castangia +4
Water masers are found in dense molecular clouds closely associated with supermassive black holes in the centres of active galaxies. Based upon the understanding of the local water…