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1 CAUP - Centro de Astrofísica da Universidade do Porto 2 LAOG - Laboratoire d-Astrophysique de Grenoble 3 ING - Isaac Newton Group of Telescopes 4 CFHT - Canada France Hawaii Telescope Corporation 5 EXETER - School of Physics 6 OAA - INAF - Osservatorio Astrofisico di Arcetri 7 LMSAL - Lockheed Martin Solar and Astrophysics Laboratory 8 CRAL - Centre de Recherche Astrophysique de Lyon 9 MPIA - Max-Planck-Institut für Astronomie

Abstract : VITRUV is a second generation spectro-imager for the PRIMA enabled Very Large Telescope Interferometer. By combining simultaneously up to 8 telescopes VITRUV makes the VLTI up to 6 times more efficient. This operational gain allows two novel scientific methodologies: 1 massive surveys of sizes; 2 routine interferometric imaging. The science cases presented concentrate on the qualitatively new routine interferometric imaging methodology. The science cases are not exhaustive but complementary to the PRIMA reference mission. The focus is on: a the close environment of young stars probing for the initial conditions of planet formation and disk evolution; b the surfaces of stars tackling dynamos, activity, pulsation, mass-loss and evolution; c revealing the origin of the extraordinary morphologies of Planetary Nebulae and related stars; d studying the accretion-ejection structures of stellar black-holes microquasars in our galaxy; e unveiling the different interacting components torus, jets, BLRs of Active Galactic Nuclei; and f probing the environment of nearby supermassive black-holes and relativistic effects in the Galactic Center black-hole.

Keywords : Astronomy Instrumentation Optical Interferometry Compact objects Infrared Visible Very Large Telescopes Spectro-Imaging

Author: Paulo J. V. Garcia - Jean-Phillipe Berger - Romano Corradi - Thierry Forveille - Tim Harries - Gilles Henri - Fabien Malbet - Ale



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