collaborators

10 papers

astro-ph.IM2026

First high-contrast results on THD2 testbed after infrastructure upgrade

Iva Laginja, Pierre Baudoz, Rémi Soummer +17

We present the first scientific results delivered by the upgraded THD2 high-contrast imaging testbed. We report two advances enabled by its improved stability and broadband perform…

astro-ph.EP2026

Direct Imaging Discovery of Giant Exoplanet Pictoris d: A Decade-Long Game of Hide-and-Seek

Ben J. Sutlieff, Markus J. Bonse, Valentin Christiaens +94

The paper reports the direct imaging discovery of a third giant exoplanet, β Pictoris d, using VLT/ERIS and archival JWST/NIRCam and VLT/SPHERE data, and characterizes its orbit, t…

astro-ph.IM2026

Vector Apodizing Phase Plates for the ELT: From prototype to final optics for METIS and MICADO

J. A. van den Born, R. Landman, D. S. Doelman +12

The first generation of instruments for the upcoming Extremely Large Telescope (ELT) will allow for the direct imaging of exoplanets that were previously below the sensitivity or r…

astro-ph.IM2026

SUPPPPRESS: Prototyping and testing liquid-crystal vector vortex coronagraphs with reduced polarization leakage

Rico Landman, David Doelman, Jeroen Rietjens +16

The vortex coronagraph is one of the most promising candidates for the Habitable Worlds Observatory (HWO) due to its excellent theoretical performance for an off-axis telescope. A…

astro-ph.IM2026

The VLT/ERIS grating vector Apodizing Phase Plate coronagraph

M. A. Kenworthy, F. A. Dannert, J. Hayoz +29

We describe the design, laboratory manufacture, and on-sky testing of the grating vector apodizing phase plate (gvAPP) coronagraph for the Enhanced Resolution Imager and Spectrogra…

astro-ph.IM2026

The TOLIMAN mission: A low-cost space telescope for high precision narrow-angle astrometry

Peter Tuthill, Christopher Betters, Max Charles +29

The TOLIMAN project is engaged with the construction, launch and operation of a low-cost space telescope of unorthodox optical design. Its primary science goal targets an exhaustiv…