Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- Centre National de la Recherche ScientifiqueFR9.6k papers
- Sorbonne UniversitéFR5.6k papers
- Commissariat à l'Énergie Atomique et aux Énergies AlternativesFR3.8k papers
- CEA Paris-SaclayFR3.3k papers
- Université Paris-SaclayFR3k papers
- Délégation Paris 7FR2.8k papers
- Sorbonne Paris CitéFR2.5k papers
- Université Paris Sciences et LettresFR2.3k papers
- Astrophysique, Instrumentation et ModélisationFR2.2k papers
- Institut National de Physique Nucléaire et de Physique des ParticulesFR2.1k papers
- Aix-Marseille UniversitéFR1.9k papers
- Institut de Recherche sur les Lois Fondamentales de l'UniversFR1.8k papers
48 papers · 2 filters
Pointing Accuracy Improvements for the South Pole Telescope with Machine Learning
P. M. Chichura, A. Rahlin, A. J. Anderson +93
We present improvements to the pointing accuracy of the South Pole Telescope (SPT) using machine learning. The ability of the SPT to point accurately at the sky is limited by its s…
The MICADO first light imager for the ELT: Testing the Lyot coronograph prototypes
Pierre Baudoz, Elsa Huby, Olivier Dupuis +3
MICADO, the European Extremely Large Telescope first light imager will feature a dedicated high contrast imaging mode specifically designed for observing and characterizing exoplan…
Bayesian Deconvolution of Astronomical Images with Diffusion Models: Quantifying Prior-Driven Features in Reconstructions
Alessio Spagnoletti, Alexandre Boucaud, Marc Huertas-Company +2
Deconvolution of astronomical images is a key aspect of recovering the intrinsic properties of celestial objects, especially when considering ground-based observations. This paper…
Infrared photometry with InGaAs detectors: First light with SPECULOOS
Peter P. Pedersen, Didier Queloz, Lionel Garcia +15
We present the photometric performance of SPIRIT, a ground-based near-infrared InGaAs CMOS-based instrument (1280 by 1024 pixels, 12 micron pitch), using on-sky results from the SP…
First Very Long Baseline Interferometry Detections at 870μm
Alexander W. Raymond, Sheperd S. Doeleman, Keiichi Asada +276
The first very long baseline interferometry (VLBI) detections at 870m wavelength (345GHz frequency) are reported, achieving the highest diffraction-limited angular resolutio…
Selective Dynamical Imaging of Interferometric Data
Joseph Farah, Peter Galison, Kazunori Akiyama +16
Recent developments in very long baseline interferometry (VLBI) have made it possible for the Event Horizon Telescope (EHT) to resolve the innermost accretion flows of the largest…
POEMMA-Balloon with Radio: a balloon-born multi-messenger multi-detector observatory
Matteo Battisti, Johannes Eser, Angela Olinto +1
The Probe Of Extreme Multi-Messenger Astrophysics (POEMMA) is a proposed dual-satellite mission to observe Ultra-High-Energy Cosmic Rays (UHECRs), increasing the statistics at the…
Mid-order wavefront control for exoplanet imaging: preliminary characterization of the segmented deformable mirror and Zernike wavefront sensor on HiCAT
B. Buralli, M. N'Diaye, R. Pourcelot +13
We study a mid-order wavefront sensor (MOWFS) to address fine cophasing errors in exoplanet imaging with future large segmented aperture space telescopes. Observing Earth analogs a…
What trade-off for astronomy between greenhouse gas emissions and the societal benefits? A sociological approach
P. Hennebelle, M. Barsuglia, F. Billebaud +6
The threat posed to humanity by global warming has led scientists to question the nature of their activities and the need to reduce the greenhouse gas emissions from research. Unti…
Photonic chip for visible interferometry: laboratory characterization and comparison with the theoretical model
Manon Lallement, Sylvestre Lacour, Elsa Huby +15
Integrated optics are used to achieve astronomical interferometry inside robust and compact materials, improving the instruments stability and sensitivity. In order to perform diff…
Photonic beam-combiner for visible interferometry with SCExAO/FIRST: laboratory characterization and design optimization
Manon Lallement, Elsa Huby, Sylvestre Lacour +15
Integrated optics are used to achieve astronomical interferometry inside robust and compact materials, improving the instrument's stability and sensitivity. In order to perform dif…
The Blending ToolKit: A simulation framework for evaluation of galaxy detection and deblending
Ismael Mendoza, Andrii Torchylo, Thomas Sainrat +18
We present an open source Python library for simulating overlapping (i.e., blended) images of galaxies and performing self-consistent comparisons of detection and deblending algori…
The MICADO first light imager for the ELT: Sparse Aperture Masks, design and simulations
Elsa Huby, Pierre Baudoz, Sylvestre Lacour +3
MICADO, the European Extremely Large Telescope first light imager will feature a dedicated high contrast imaging mode specifically designed for observing and characterizing exoplan…
The Fluorescence Camera of the POEMMA-Balloon with Radio (PBR): Design and Scientific goals
Matteo Battisti, Johannes Eser, George Filippatos +4
The POEMMA-Balloon with Radio (PBR) is a proposed payload to fly on a NASA Super Pressure Balloon (SPB). It will act as a pathfinder of the Probe Of Extreme Multi-Messenger Astroph…
MADNESS Deblender: Maximum A posteriori with Deep NEural networks for Source Separation
Biswajit Biswas, Eric Aubourg, Alexandre Boucaud +4
Due to the unprecedented depth of the upcoming ground-based Legacy Survey of Space and Time (LSST) at the Vera C. Rubin Observatory, approximately two-thirds of the galaxies are li…
GRANDlib: A simulation pipeline for the Giant Radio Array for Neutrino Detection (GRAND)
GRAND Collaboration, Rafael Alves Batista, Aurélien Benoit-Lévy +112
The operation of upcoming ultra-high-energy cosmic-ray, gamma-ray, and neutrino radio-detection experiments, like the Giant Radio Array for Neutrino Detection (GRAND), poses signif…
In-Flight Performance of Spider's 280 GHz Receivers
Elle C. Shaw, P. A. R. Ade, S. Akers +84
SPIDER is a balloon-borne instrument designed to map the cosmic microwave background at degree-angular scales in the presence of Galactic foregrounds. SPIDER has mapped a large sky…
Multi-dimensional optimisation of the scanning strategy for the LiteBIRD space mission
Y. Takase, L. Vacher, H. Ishino +105
Large angular scale surveys in the absence of atmosphere are essential for measuring the primordial -mode power spectrum of the Cosmic Microwave Background (CMB). Since this pro…
Tilt-to-length coupling in LISA Pathfinder: long-term stability
M Armano, H Audley, J Baird +75
The tilt-to-length coupling during the LISA Pathfinder mission has been numerically and analytically modeled for particular timespans. In this work, we investigate the long-term st…
Bolometric interferometry and spectral: a QUBIC overview
Tom Laclavère
The Q \& U Bolometric Interferometer for Cosmology (QUBIC) is a new kind of cosmological instrument that uses interferometry to observe the sky. The unique synthesized beam of QUBI…
Best of both worlds: Fusing hyperspectral data from two generations of spectro-imagers for X-ray astrophysics
Julia Lascar, Jérôme Bobin, Fabio Acero
With the launch of the X-Ray Imaging and Spectroscopy Mission (XRISM) and the advent of microcalorimeter detectors, X-ray astrophysics is entering in a new era of spatially resolve…
Precision measurements of the magnetic parameters of LISA Pathfinder test masses
M Armano, H Audley, J Baird +76
A precise characterization of the magnetic properties of LISA Pathfinder free falling test-masses is of special interest for future gravitational wave observatory in space. Magneti…
Magnetic-induced force noise in LISA Pathfinder free-falling test masses
M Armano, H Audley, J Baird +76
LISA Pathfinder was a mission designed to test key technologies required for gravitational wave detection in space. Magnetically driven forces play a key role in the instrument sen…
Numerical simulations for the SAXO+ upgrade: Performance analysis of the adaptive optics system
Charles Goulas, Raphaël Galicher, Fabrice Vidal +16
SPHERE, operating at the VLT since 2014, is currently one of the high-contrast instruments with a higher performance. Its adaptive optics system, known as SAXO, will be upgraded to…