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Aug 2026

Advancing high contrast interferometry: new metrology system for the VLTI

Future high contrast interferometric observations with the Very Large Telescope Interferometer (VLTI) require nanometer level control of optical path variations to preserve fringe stability and maximize sensitivity. Within the framework of the PLANETES project, a dedicated laser metrology system is being developed to m...

Amira Bouikni, M. Nowak, Sylvestre Lacour et al. · 0 citations
Aug 2026

FIRST-PL: on-sky retrieval of Humu’s (Altair) spin axis using a photonic lantern on Subaru Telescope

The FIRST-PL instrument on the Subaru Telescope enables a new observational capability: measuring stellar spin orientations for indirect constraints on exoplanet orbital geometry. We describe the instrument and demonstrate data reduction techniques to measure the spin orientation of Humu (Altair), whose apparent size i...

A. Walk, S. Vievard, O. Guyon et al. · 2 citations
Review Aug 2026

The MICADO first light imager for the ELT: toward direct imaging of exoplanets and disks with the ELT

MICADO, the first-light near-infrared imager for the European Extremely Large Telescope (ELT), will feature a dedicated high-contrast imaging mode designed specifically for observing and characterizing exoplanets and circumstellar disks. The instrument will deliver substantially higher sensitivity and angular resolutio...

P. Baudoz, E. Huby, Y. Clénet et al. · 0 citations
Aug 2026

PLANETES: a technology demonstrator for dual-field interferometry in the J-Band at the VLTI

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. · 0 citations

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