activity
20222026
most citedHigh-contrast detection of exoplanets with a kernel-nuller at the VLTI

4 citations · 6 across the 5 of their papers we have counts for

collaborators

7 papers

astro-ph.IM2026

Pushing high angular resolution and high contrast observations on the VLTI from Y to L band with the Asgard instrumental suite: integration status and plans

Marc-Antoine Martinod, Michael J. Ireland, Denis Defrère +39

ESO's VLTI has a history of record-breaking discoveries in astrophysics using high-angular resolution instrumentation. Its latest visitor instrument, the Asgard instrumental suite,…

astro-ph.IM2026

Asgard/NOTT: Status of laboratory nulling performance

T. Mattheussen, R. Laugier, D. Defrère +26

Nulling interferometry enables the direct detection of faint companions and circumstellar structures at angular separations unresolvable by classical, diffraction-limited imagers,…

astro-ph.IM2026

Performance Analysis of the Asgard/NOTT Nulling Interferometer: Optimizing Observing Modes for High-contrast Detection

J. P. Scott, S. Ertel, T. A. Stuber +21

We evaluate the performance of three beam-combination schemes, single-Bracewell, asymmetric dual-Bracewell, and symmetric dual-Bracewell, for the forthcoming Asgard/NOTT nulling in…

astro-ph.IM2026

Asgard/NOTT: Cryogenic characterization of the mid-infrared chip

G. Garreau, D. Defrère, R. Laugier +25

NOTT is part of the new visitor instrument suite Asgard for the Very Large Telescope Interferometer (VLTI), and the first long-baseline nulling interferometer that will be operatio…

astro-ph.IM2023★ 4 cited

High-contrast detection of exoplanets with a kernel-nuller at the VLTI

Peter Marley Chingaipe, Frantz Martinache, Nick Cvetojevic +5

Context: The conventional approach to direct imaging has been the use of a single aperture coronagraph with wavefront correction via extreme adaptive optics. Such systems are limit…

astro-ph.IM2022

Statistical tests with multi-wavelength Kernel-phase analysis for the detection and characterization of planetary companions

Mamadou N'Diaye, David Mary, Frantz Martinache +4

Kernel phase is a method to interpret stellar point source images by considering their formation as the analytical result of an interferometric process. Using Fourier formalism, th…

astro-ph.IM2022★ 2 cited

3-beam self-calibrated Kernel nulling photonic interferometer

Nick Cvetojevic, Frantz Martinache, Peter Chingaipe +6

The use of interferometric nulling for the direct characterization of extrasolar planets is an exciting prospect, but one that faces many practical challenges when deployed on tele…