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3 papers · 2 filters
A probable giant planet imaged in the Beta Pictoris disk
A. -M. Lagrange, D. Gratadour, G. Chauvin +12
Since the discovery of its dusty disk in 1984, Beta Pictoris has become the prototype of young early-type planetary systems, and there are now various indications that a massive Jo…
Near-infrared wavefront sensing for the VLT interferometer
Stefan Hippler, Wolfgang Brandner, Yann Clénet +11
The very large telescope (VLT) interferometer (VLTI) in its current operating state is equipped with high-order adaptive optics (MACAO) working in the visible spectrum. A low-order…
GRAVITY: getting to the event horizon of Sgr A*
F. Eisenhauer, G. Perrin, W. Brandner +45
We present the second-generation VLTI instrument GRAVITY, which currently is in the preliminary design phase. GRAVITY is specifically designed to observe highly relativistic motion…