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Jean-Paul Richard Kneib

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Fostering multi-stakeholder collaboration for space sustainability through an incentive-based mechanism

Jean-Paul Richard Kneib, Emmanuelle Brigitte Marie David

The proliferation of debris in the space environment, congesting the Low Earth Orbit (LEO), constitutes a major challenge to the safety and sustainability of space missions and operations. Policy makers at the national, regional and international levels ar ...

2025

BIPP: An efficient HPC implementation of the Bluebild algorithm for radio astronomy

Jean-Paul Richard Kneib, Sepand Kashani, Emma Elizabeth Tolley, Michele Bianco, Matthieu Martin Jean-André Simeoni

The Bluebild algorithm is a new technique for image synthesis in radio astronomy which decomposes the sky into distinct energy levels using functional principal component analysis. These levels can be linearly combined to construct a least-squares estimate ...

2025

Quantum radio astronomy: Data encodings and quantum image processing

Jean-Paul Richard Kneib, Emma Elizabeth Tolley, Stefano Corda

We explore applications of quantum computing for radio interferometry and astronomy using recent developments in quantum image processing. We evaluate the suitability of different quantum image representations using a toy quantum computing image reconstruc ...

Elsevier2024

The stability of deep learning for 21cm foreground removal across various sky models and frequency-dependent systematics

Jean-Paul Richard Kneib, Daniel Felipe Forero Sanchez, Emma Elizabeth Tolley, Michele Bianco

Deep learning (DL) has recently been proposed as a novel approach for 21cm foreground removal. Before applying DL to real observations, it is essential to assess its consistency with established methods, its performance across various simulation models, an ...

2024

Investigations on assembly and coverage for modular focal planes of multiplexed telescopes

Jean-Paul Richard Kneib, Malak Mohamed Hossameldeen Omar Mohamed Galal

Multiplexed surveys have the ambition to grow larger for the next generation of focal plane instruments.Future projects such as Spec-S5, MUST, and WST have an ever-growing need for multi-object spectroscopy (13,000-20,000 simultaneous objects) which demand ...

SPIE2024

The DESI One-Percent Survey: exploring a generalized SHAM for multiple tracers with the UNIT simulation

Jean-Paul Richard Kneib, Jiaxi Yu, Cheng Zhao

We perform SubHalo Abundance Matching (SHAM) studies on UNIT simulations with {sigma, V-ceil, v(smear)}-SHAM and {sigma, V-ceil, f(sat)}-SHAM. They are designed to reproduce the clustering on 5-30 h(-1) Mpc of luminous red galaxies (LRGs), emission-line ga ...

Oxford Univ Press2024

pyC 2 Ray: A flexible and GPU-accelerated radiative transfer framework for simulating the cosmic epoch of reionization

Jean-Paul Richard Kneib, Michele Bianco

Detailed modeling of the evolution of neutral hydrogen in the intergalactic medium during the Epoch of Reionization, 5≤z≤20, is critical in interpreting the cosmological signals from current and upcoming 21-cm experiments such as the Low-Frequency Array (L ...

2024

A novel pattern language method for tradespace exploration: application to space mission architecting

Jean-Paul Richard Kneib, Jeffrey Huang, Anne-Marlene Rüede

With the growing complexity of systems across diverse domains, key challenges emerge in simultaneously designing networks and their underlying infrastructure, requiring resolution at concept stage. In space mission design, technological advancements and am ...

2024

WST - Widefield Spectroscopic Telescope: Motivation, science drivers and top-level requirements for a new dedicated facility

Jean-Paul Richard Kneib, Richard Irving Anderson

In this paper, we describe the wide-field spectroscopic survey telescope (WST) project. WST is a 12-metre wide-field spectroscopic survey telescope with simultaneous operation of a large field-of-view (3 sq. degree), high-multiplex (20,000) multi-object sp ...

SPIE2024

WST - Widefield Spectroscopic Telescope: addressing the instrumentation challenges of a new 12m class telescope dedicated to widefield Multi-object and Integral Field Spectroscopy

Jean-Paul Richard Kneib, Ricardo Jorge Araùjo Pereira

WST - Widefield Spectroscopic Telescope: We summarise the design challenges of instrumentation for a proposed 12m class Telescope that aims to provide a large (>2.5 square degree) field of view and enable simultaneous Multi-object (> 20,000 objects) and In ...

SPIE2024

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Fostering multi-stakeholder collaboration for space sustainability through an incentive-based mechanism

Jean-Paul Richard Kneib, Emmanuelle Brigitte Marie David

2025

The stability of deep learning for 21cm foreground removal across various sky models and frequency-dependent systematics

Jean-Paul Richard Kneib, Daniel Felipe Forero Sanchez, Emma Elizabeth Tolley, Michele Bianco

2024

WST - Widefield Spectroscopic Telescope: addressing the instrumentation challenges of a new 12m class telescope dedicated to widefield Multi-object and Integral Field Spectroscopy

Jean-Paul Richard Kneib, Ricardo Jorge Araùjo Pereira

SPIE2024

WST - Widefield Spectroscopic Telescope: Motivation, science drivers and top-level requirements for a new dedicated facility

Jean-Paul Richard Kneib, Richard Irving Anderson

SPIE2024