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Author

J. Le Bouquin

3 papers indexed here

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Review Aug 2026

GRAVITY+ at the VLTI: instrumental advances enabling high-angular-resolution AGN science

We present an overview of how recent and upcoming GRAVITY+ upgrades at the VLTI interconnect instrument and science, enabling high-angular-resolution studies of active galactic nuclei (AGN). Improvements such as wideangle off-axis fringe tracking, enhanced fringe-tracker performance, and state-of-the-art adaptive optic...

S. Pappert, Yi-Xian Cao, R. Davies et al. · 1 citation
Aug 2026

Dust at the extreme: the CHARA Array polarization model and prospects for polarimetric interferometry

Polarimetric interferometry combines milliarcsecond angular resolution with sensitivity to scattered light and can therefore probe both dust formation around evolved stars and dust survival at the inner rims of planet-forming disks. At optical and near-infrared wavelengths, however, the many oblique reflections in an i...

L. Shuai, J. Monnier, B. Setterholm et al. · 0 citations
Open access Aug 2026

Pixel-level calibration for space-based high-precision astrometry using Young’s fringes

The detection of Earth-like exoplanets via astrometry necessitates centroiding precision at the 0.3 microarcsec level, thereby imposing stringent constraints on the focal plane geometry of space telescopes. The AGATE focal plane instrument, a proposed component of the NASA Habitable Worlds Observatory (HWO), aims to ac...

Hugo Rousset, É. Thiébaut, Chloé Rey et al. · 0 citations

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