Astrophysics · Physics & Astronomy
Instrumentation & Methods for Astrophysics
The newest papers in Instrumentation & Methods for Astrophysics that ReadSearch has read, newest first. Each links to its own page, with its authors, date, where it was published and the original.
202 papers, from 6 September 2026 to 5 November 2026: 202 arXiv preprints.
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Newest papers
A Large-Sample Study of Interstellar Reddening in Galactic Star Clusters
The interstellar reddening (extinction or absorption) is caused mainly by the dust grains of different sizes and compounds.Triaxial $μ$-PIC for resolving Multi-Hit Ambiguity
The micro pixel chamber ($μ$-PIC), a type of micro-pattern gaseous detectors (MPGD), features pixel electrodes structured similarly to a sliced proportional counter.Octavius: A High-Performance Analysis Toolkit for Galaxy Simulations
Increased computing power and more efficient codes have allowed cosmological simulations of galaxy formation to grow massively in scale: the analysis of their outputs has consequently become a big…Mitigating scanning-induced systematics in Hipparcos and implications for Gaia astrometry
Space-based astrometric missions such as Hipparcos and Gaia rely on one-dimensional scanning strategies that couple the measured signals with both observation times and scanning geometry.Quiescent galaxies at cosmic noon: from individual element abundances to star formation histories
Understanding the formation and early evolution of massive quiescent galaxies is crucial for a complete picture of galaxy formation in a cosmological context.Object-independent evaluation of small-data astronomical image classifiers: architecture, representation, and acquisition shortcuts
Reported performance in small astronomical image datasets can reflect object reuse, field-of-view differences, acquisition settings, and catalogue-derived properties as well as astronomical…Near-Quantum-Limited Readout for the Princeton Axion Search using a sub-GHz Kinetic Inductance Traveling Wave Parametric Amplifier
Parametric amplifiers are a workhorse for near-quantum-limited measurements above 1 GHz.Unveiling the Origins of Local Group Galaxies with ELT-SHARP: An Overview of Science Cases
The $Λ$CDM paradigm successfully describes large-scale cosmic structure, yet tensions possibly persist on galactic and sub-galactic scales.SHARP(ening the) view of unresolved globular clusters in ultra diffuse galaxies
Ultra-Diffuse Galaxies (UDGs) challenge current galaxy formation models within the ΛCDM framework, particularly regarding their dark matter content and formation histories.Why a Multi-Cycle Treasury Program is Essential to Maximize JWST's Scientific Contributions to Galaxy Formation
The Genesis Initiative is an extragalactic community-wide effort to coordinate white papers in response to the STScI Multi-Cycle Treasury (MCT) concept call.On the importance of medium-resolution continuum spectroscopy for JWST's extragalactic legacy
We argue for a significant investment of JWST time into an extremely deep medium-resolution NIRSpec MSA survey targeting a large, representative sample of high-redshift $(z>1.5)$ galaxies…Quantum Noise Engineering in Advanced LIGO
Advanced LIGO is a gravitational-wave detector with extreme sensitivity, operating close to the quantum limits of optical measurement.Detection of Differential Chromatic Refraction with LSST Camera data
The Earth's atmosphere acts like a prism, deflecting blue light towards the zenith more than red light.A Machine Learning Approach to Coupling Photoionization & Multi-Frequency Radiation Hydrodynamics
We use machine learning (ML) to couple photoionization microphysics to radiation hydrodynamic simulations of line-driven winds.MapHub: Daily Relevance Heatmaps of New arXiv Preprints for a Research Community
MapHub, the MIDAS arXiv Preprint Hub, assesses each day's new arXiv submissions for every participant in a research community, with a large language model reading each paper against portfolios built…GetGaia 2.0: automatic membership and systemic motions of stellar systems with Gaia
We present GetGaia 2.0, a public Python package that retrieves the Gaia data around a stellar system and selects its member stars automatically.COSMIO: A Benchmark for Cross-Survey Modality Imputation
Large-scale astronomical surveys define a heterogeneous, partially observed multi-survey learning setting: each object is observed by only a subset of surveys, while survey observations differ in…Spin Spherical Fourier Neural Operators: Efficient Equivariant Learning for Vector and Spin Fields on the Sphere
Many fields of physical interest on the sphere, such as wind, the polarisation of the cosmic microwave background and the shear of weak gravitational lensing, are spin fields, whose values change…Feature-Based and Deep Learning Methods for Astronomical Light Curve Classification
We compare feature-based machine learning and end-to-end deep learning for variable star classification using the Zwicky Transient Facility (ZTF) StarEmbed dataset, which contains about 40,000…HLA-Net: A Physics-Guided Skeleton-Based Framework for Automatic Gravitational Arc Detection in Astronomical Images
Gravitational arcs produced by strong gravitational lensing provide a unique approach for investigating dark matter distribution, galaxy cluster mass reconstruction and the structure of the Universe.