Small-scale turbulence alongside large-scale turbulence in a z=1.87 star-forming galaxy with an outflowing wind, revealed by multi-point structure functions | Published in The Open Journal of Astrophy...

By Itzhak Goldman. Goldman's study found evidence of large and small scale turbulence in the star-forming galaxy CSWA13, suggesting that star clusters and large clumps within the galaxy could be drivi...

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The Ray Tracing Sampler: Bayesian Sampling of Neural Networks for Everyone | Published in The Open Journal of Astrophysics

By Peter Behroozi. The study presents a new family of Markov Chain Monte Carlo sampling methods based on ray tracing, offering higher resilience to heating for stochastic gradients and the ability to ...

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Enhancing weak lensing redshift distribution characterization by optimizing the Dark Energy Survey Self-Organizing Map Photo-z method | Published in The Open Journal of Astrophysics

By A. Campos, B. Yin & 112 more. This study improves the Self-Organizing Map methodology for estimating redshift distribution in galaxies, notably reducing overlap between redshift bins, in preparatio...

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The Origins of the Bulk flow | Published in The Open Journal of Astrophysics

By Richard Watkins, Trajan Clark & 1 more. This study analyzes the origin of large-scale bulk flow using the CosmicFlows-4 catalog, finding that it's largely influenced by structures beyond 200 h^-1 M...

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The failed failed-supernova scenario of M31-2014-DS1 | Published in The Open Journal of Astrophysics

By Noam Soker. This paper challenges the failed-supernova theory for the fading of the yellow supergiant event M31-2014-DS1, suggesting it requires unlikely parameters and supports an alternative scen...

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GCR Spectra Reconstructed with Neutron Monitor Yield Function and Artificial Neural Networks: Comparison of Two Methods | Published in The Open Journal of Astrophysics

By Stepan A. Siruk, Vladislav V. Alekseev & 3 more. The study presents a framework using artificial neural networks and neutron monitors to reconstruct cosmic-ray energy spectra, providing data even i...

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Exo Skryer: A JAX-accelerated sub-stellar atmospheric retrieval framework | Published in The Open Journal of Astrophysics

By Elspeth K.H. Lee. This article introduces "Exo Skryer", a new, efficient framework for exoplanet and brown dwarf atmospheric research, capable of handling large data sets and complex models.

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Characterising the response of an International LOFAR Station | Published in The Open Journal of Astrophysics

By Letizia Vincetti, S.C. Susarla & 8 more. An investigates of the performance and calibration challenges of phased-array radio interferometers, using the Irish LOFAR station as a case study, highligh...

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Viscously Spreading Accretion Disks around Black Holes: Implications for TDEs, LFBOTs and other Transients | Published in The Open Journal of Astrophysics

By Mila Winter-Granic, Eliot Quataert. A time-dependent model of accretion disks around black holes, explaining late-time emission in tidal disruption events and luminous fast blue optical transients ...

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Mapping CO Ice in a Star-Forming Filament in the 3 kpc Arm with JWST | Published in The Open Journal of Astrophysics

By Savannah Gramze, Adam Ginsburg & 15 more. JWST observations and ALMA Band 3 data reveal that 50-88% of CO gas in a star-forming filament is locked in ice; corrections are needed for mass measuremen...

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A first systematic study of [OIII] 88$μ$m at $z>8$: two luminous oxygen lines and a powerful ionized outflow in the first 600 million years | Published in The Open Journal of Astrophysics

By Hiddo Algera, John R. Weaver & 36 more. Deep observations of four UV-bright, gravitationally lensed galaxies, revealing an ionized outflow in one and highlighting the diagnostic power of [O III]88 ...

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Exploring TRAPPIST-1 Climate States with an Energy Balance Model | Published in The Open Journal of Astrophysics

By Jacob Haqq-Misra. The study uses a modified HEXTOR energy balance model to predict climate states of terrestrial planets orbiting low-mass stars, suggesting partial to complete ice cover for TRAPPI...

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Characterization of the Polarization Beam Response of SPT-3G Using Point Sources | Published in The Open Journal of Astrophysics

By Tijmen de Haan, M. Archipley & 102 more. This study presents measurements of the South Pole Telescope's polarized beam response, indicating minimal sidelobe depolarization. The findings suggest pot...

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Density reconstruction from biased tracers: Testing the equivalence principle through consistency relations | Published in The Open Journal of Astrophysics

By Lawrence Dam, Omar Darwish. This study proposes using quadratic estimators to test the weak equivalence principle on cosmological scales, offering a practical alternative to the conventional bispec...

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The birth of the intracluster medium: the evolution of multiphase gas and Lyman-$α$ haloes in a simulated $z\sim3$ protocluster | Published in The Open Journal of Astrophysics

By Jake S. Bennett, Aaron Smith & 4 more. This study uses a cosmological simulation to explore the transition from complex galactic haloes to mature galaxy clusters, focusing on gas distribution, ioni...

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University of Hawaii 88-inch Telescope Observations of the Interstellar Comet 3I/ATLAS: Spectrophotometric Blue-Sensitive Spectral Time Series Spanning Two Months from Discovery | Published in The Ope...

By W. B. Hoogendam, D. Kuesters & 23 more. The study presents observations of the third interstellar object, 3I/ATLAS, using the SuperNova Integral Field Spectrograph, revealing its properties and com...

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Investigating the Dark Energy Constraint from Strongly Lensed AGN at LSST-Scale | Published in The Open Journal of Astrophysics

By Sydney Erickson, Martin Millon & 13 more. The study uses a new technique to analyze a large sample of lensed Active Galactic Nuclei, providing an independent probe of dark energy and improving cons...

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Line-of-sight shear in SLACS strong lenses II: validation tests with an extended sample | Published in The Open Journal of Astrophysics

By Natalie B. Hogg, Daniel P. Johnson & 2 more. The study models 27 additional gravitational lenses, finding a significant fraction with unexpectedly large line-of-sight shears. Factors like redshift,...

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On combining estimated and analytic covariance matrices | Published in The Open Journal of Astrophysics

By Alan Heavens, Lorne Whiteway & 1 more. This study presents an accurate approximation for the combined likelihood function in cosmological data analysis, improving upon previous methods by better re...

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Current and future constraints on the expansion history of the GREA model | Published in The Open Journal of Astrophysics

By Irene Graziotti, Chiara De Leo & 1 more. This study explores the General Relativistic Entropic Acceleration (GREA) framework, comparing it to the standard description of the universe. Current data ...

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Line-of-sight shear in SLACS strong lenses I: shear and mass model parametrisations | Published in The Open Journal of Astrophysics

By Natalie B. Hogg, Daniel Johnson & 2 more. This study models 23 strong gravitational lenses to measure line-of-sight shear for the first time, providing potential new constraints on cosmological par...

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Searching for Periodicity in FRB 20240114A | Published in The Open Journal of Astrophysics

By Jonathan I Katz. The study observed FRB 20240114A, an active Fast Radio Burst, but found no significant periodicity in its bursts, contradicting magnetar models predictions.

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On the connection between galaxy orientation and halo absorption properties | Published in The Open Journal of Astrophysics

By Rohan Venkat, Soo May Wee & 1 more. This study investigates the azimuthal dependence of metal-line absorption in the circumgalactic medium of 87 isolated galaxies. The results show no significant c...

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Morphological Fingerprints of Forbush Decreases and Their Relation to Geomagnetic Storm Severity | Published in The Open Journal of Astrophysics

By Juan Diego Perez Navarro, David Sierra Porta. This study introduces a graph-based method to analyze Forbush decreases (FDs), transient depressions in cosmic-ray flux and uses network signatures to ...

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The DESI DR1 Peculiar Velocity Survey: growth rate measurements from galaxy and momentum correlation functions | Published in The Open Journal of Astrophysics

By Ryan J Turner, C. Blake & 62 more. The study analyzes local peculiar velocity and galaxy density fields to test cosmological models of gravity, finding results consistent with predictions from Plan...

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Cygnus X-3 as a PeVatron and the LHAASO 2025 data | Published in The Open Journal of Astrophysics

By Michael Kachelriess, E. Lammert. This study suggests that the high-mass X-ray binary Cygnus X-3 can accelerate cosmic rays beyond PeV energies, contributing to a photon flux peaking around PeV ener...

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The Information Content of Quasar Variability Light Curves: How Well Can we Infer Stochastic Model Parameters? | Published in The Open Journal of Astrophysics

By Brendon Brewer, Geraint F. Lewis & 2 more. This study suggests that quasar variability studies should focus on the short term volatility parameter, as it's more informative than the variability tim...

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Inflation at the End of 2025: Constraints on $r$ and $n_s$ Using the Latest CMB and BAO Data | Published in The Open Journal of Astrophysics

By Lennart Balkenhol, E. Camphuis & 11 more. This study presents constraints on parameters of inflationary models in cosmology, using the latest cosmic microwave background and baryon acoustic oscilla...

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Boris and Exponential Integrators in the Theory of Particles Interacting with Magnetic Turbulence | Published in The Open Journal of Astrophysics

By Andreas Shalchi. The study compares the Rodrigues and Boris integrators in test-particle simulations of charged particles interacting with magnetic fields, finding both methods yield similar result...

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