10.6k citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
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11 papers · 2 filters
Optical gains measurement with a gain scheduling camera: On-sky demonstration with PAPYRUS and perspectives
A. Striffling, C. -T. Héritier, R. J. -L Fétick +4
Reaching the high angular resolution and contrast level desired for exoplanetary science requires us to equip large telescopes with extreme adaptive optics (XAO) systems to compens…
A socio-demographic study of the exoplanet direct imaging community II
Lucie Leboulleux, Niyati Desai, Daniel Echeverri +9
Recognizing and addressing under-representation, exclusion, and problematic behavior within astronomy and astrophysics is crucial. In 2019, a survey was conducted at the Spirit of…
Coherent Differential Imaging of high-contrast extended sources with VLT/SPHERE
Axel Potier, Raphaël Galicher, Pierre Baudoz +6
High-contrast imaging relies on advanced coronagraphs and adaptive optics (AO) to attenuate the starlight. However, residual aberrations, especially non-common path aberrations bet…
Stellar halo subtraction alternative for accreting companions' characterization with integral field spectroscopy: Analytical and on-sky demonstration on the PDS70, HTLup, and YSES1 systems
R. Julo, M. Bonnefoy, F. Chatelain +5
Context. Medium-resolution IFS, such as MUSE at the VLT, are equipped to detect the emission lines of faint accreting companions when associated with dedicated stellar halo subtrac…
First Light for the GRAVITY+ Adaptive Optics: Extreme Adaptive Optics for the Very Large Telescope Interferometer
GRAVITY+ Collaboration, :, F. Allouche +137
GRAVITY+ improves by orders of magnitude the sensitivity, sky-coverage and contrast of the Very Large Telescope Interferometer (VLTI). A central part of this project is the develop…
CONCERTO: forward modeling of interferograms for calibration
A. Lundgren, A. Beelen, G. Lagache +36
The CarbON [CII] line in post-rEionisation and ReionisaTiOn epoch (CONCERTO) instrument is a low-resolution mapping Fourier-transform spectrometer, based on lumped-element kinetic…
High-precision polarization measurements with Lumped Element Kinetic Inductance Detectors
Sofia Savorgnano, Andrea Catalano, Juan-Francisco Macías Perez +11
This work aims to demonstrate that two arrays of Lumped Element Kinetic Inductance Detectors (LEKIDs), when employed in filled array configuration and separated by an external line…
GRAVITY+ adaptive optics (GPAO) tests in Europe
Florentin Millour, Guillaume Bourdarot, Jean-Baptiste Le Bouquin +54
We present in this proceeding the results of the test phase of the GRAVITY+ adaptive optics. This extreme AO will enable both high-dynamic range observations of faint companions (i…
The Leinster-Cobbold diversity index as a criterion for sub-clustering
Hugo Chambon, Didier Fraix-Burnet
An automatic procedure to perform sub-clustering on large samples is presented. At each iteration, the most diverse cluster is sub-clustered, and the global diversity of the new cl…
Combining high-contrast imaging with high-resolution spectroscopy: Actual on-sky MIRI/MRS results compared to expectations
S. Martos, A. Bidot, A. Carlotti +1
CONTEXT: Combining high-contrast imaging with high-resolution spectroscopy offers a powerful way to detect and characterize exoplanets around nearby stars, despite challenges linke…
The NewAthena mission concept in the context of the next decade of X-ray astronomy
Mike Cruise, Matteo Guainazzi, James Aird +16
Large X-ray observatories such as Chandra and XMM-Newton have been delivering scientific breakthroughs in research fields as diverse as our Solar System, the astrophysics of stars,…