Over the past six years, the VLTI has undergone major upgrades, significantly improving its stability, sensitivity, and operational reliability. This has enabled the highest-angular-resolution images of stars orbiting our Galactic Center, high-precision interferometric astrometric measurements of exoplanet systems, and...
Luis Esteras Otal, J. Abad, R. Abuter et al.· Astronomical Telescopes + In...· 3 citations
In the 2030s, optical/IR interferometry will be the natural next step to push angular resolution beyond the current VLT/I and ELTs. Key astrophysical questions in that time-frame are the fundamental tests of General Relativity, the evolution of supermassive black holes across cosmic time, the understanding of exoplanet...
G. Bourdarot, F. Eisenhauer, B. Neichel et al.· Astronomical Telescopes + In...· 0 citations
We present PLANETES, a technology development project that aims at demonstrating GRAVITY-style dualfield interferometry into the J band. Building on PIONIER’s legacy in short-wavelength interferometry and GRAVITY’s breakthroughs in dual-field operation, this demonstrator integrates dual-field injection, integratedoptic...
M. Nowak, Sylvestre Lacour, R. Abuter et al.· Astronomical Telescopes + In...· 0 citations
GRAVITY+ is an upgrade of the VLTI infrastructure, providing unprecedented spatial resolution and sensitivity. One of the project's objectives was to replace the low-order NGS SCAO systems with four high-order AO modules incorporated in the Coudé train of each VLT UT: GRAVITY+ Adaptive Optics (GPAO). This paper present...
S. Oberti, J. Kolb, A. Berdeu et al.· Astronomical Telescopes + In...· 1 citation
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