By Vaibhav Tiwari. Analysis of 256 binary black-hole (BBH) events, suggesting a hierarchical merger scenario to explain the structured mass distribution, and encouraging further investigation into hie...

International MEGATRON project links space telescope observations of the infant Universe with the chemical fossil record of the Milky Way.

By G. Leidi, A. Holas & 13 more. PHLEGETHON is a magnetohydrodynamic code designed for multidimensional simulations in stellar astrophysics, capable of modeling a wide range of dynamical processes in ...

By Luke Conaboy, James S. Bolton & 4 more. This study improves theoretical work on the connection between galaxies and the intergalactic medium, using an empirical model and James Webb Space Telescope...

By Ryan Brady, Xiang-Yu Huang & 8 more. The article "TDCOSMO XXVI: Uniform Lens Modeling of Eight Doubly Imaged Quasars" by Brady et al. contained some errors which have now been corrected

If the only reason you were not submitting papers to OJAp was that it wasn't a Q1 journal then you can start submitting them now!

By Jose Benavides, Laura V. Sales & 5 more. The paper " The Abundance of Thin Dwarf Galaxies: a Challenge for Cosmological Simulations" by Benavides et al. contained two errors which have now been cor...

By Pablo Penil, N. Torres−Albà & 6 more. The study examines the oscillation profiles of blazar PG~1553+113, finding that its 2.1-year periodicity is not strictly sinusoidal and varies across energy ba...

By Paul Rogozenski, Sankarshana Srinivasan & 16 more. This paper introduces the Augur tool, designed to provide Fisher forecasts for cosmological inference for the Vera C. Rubin Observatory Legacy Sur...

By Justin Clancy, Carlo Baccigalupi & 15 more. The study introduces a method for detecting fast, dynamic astrophysical transients using cosmic microwave background survey telescopes, demonstrating its...

By Hannah McCall, Irina Zhuravleva & 11 more. This study examines gas kinematics in the relaxed, AGN-feedback-free galaxy cluster A3571 using XRISM observations. Findings suggest sloshing motions may ...

By Nikko Cleri, Zach J. Lewis & 11 more. An examination of the time evolution of the ionization parameter in galaxies, finding that it increases with redshift and specific star formation rate, and dec...

By Yuan-Sen Ting, Elliot M. Kim. The study introduces \paynezero, a tool that reorganizes stellar spectra calculations for GPU-native synthesis, significantly speeding up the process and enabling dire...

By Moritz S. Fischer, Marc Wiertel & 8 more. This paper discusses the use of OpenGadget3, a tool for simulating self-interacting dark matter (SIDM), and highlights its capabilities, performance, and a...

By I-Non Chiu, Kai-Feng Chen & 10 more. The study develops fCAMIRA, a tool for optical cluster confirmation, applied to 129 weak-lensing galaxy clusters. It demonstrates excellent photometric-redshift...

By James M. S. Donnellan, Borja Pautasso & 11 more. The PRobe far-Infrared Mission for Astrophysics (PRIMA) uses a new Bayesian modelling approach to map large areas with unprecedented sensitivity. Ov...

By Sachi Weerasooriya, Mia Sauda Bovill & 7 more. Thi study investigates the lack of luminous satellite galaxies in Centaurus A's inner regions, suggesting that AGN-driven thermal feedback could suppr...

By Andrew Benson, Ethan O. Nadler & 2 more. The study measures the dark matter halo mass function using simulations, calibrates fitting functions and models for systematics, and robustly describes the...

By Yarden Eilat Bloch, Dovi Poznanski & 5 more. The study presents a new dataset and interactive portal that applies advanced techniques to analyze and visualize nearly a million spectra from the Gaia...

By Diana Blanco, Alexie Leauthaud & 65 more. This study explores using the Dark Energy Spectroscopic Instrument (DESI) to calibrate photometric redshift distributions for gravitational lensing, which could improve understanding of dark energy and cosmic structure.

By Vivienne Wild, Ho-Hin Leung & 2 more. The study uses simulation-based inference to analyze galaxy formation and quenching times, revealing that galaxies must quench rapidly post-Big Bang to achieve...

By Serat M. Saad, Yuan-Sen Ting. The study reanalyzes a dataset on gravitational anomalies, finding results consistent with Newtonian gravity, contrary to previous findings that suggested Modified New...

By Jackson H. O'Donnell, Demetrius Y. Williams & 19 more. A spectroscopic survey of the Carousel lens galaxy cluster, identifying 12 lensed sources and 57 unlensed field galaxies. The findings could h...

By Francesco D'Eugenio, Matilde Brazzini & 13 more. RUBIES-EGS-9809, a dust-reddened galaxy with a dominant point-source component, suggests that AGN feedback may influence its host., indicating that ...

By Anton D. Lazarev, Sergei B. Popov. This study analyzes the velocity kick of neutron stars, finding that 23% belong to the low-velocity mode. Differences in magnetic field distribution emerge, but n...

By Drake Deming, Andrew Lincowski & 7 more. The study proposes using color phase curves to detect and characterize the atmospheres of rocky exoplanets, including non-transiting ones, by observing thei...

By Shashank Dattathri, Frank C. van den Bosch & 5 more. How the distribution function of a galaxy, not just its central density gradient, influences the efficiency and direction of dynamical friction,...

By Sergey Koposov, Ting S. Li & 66 more. The paper "DESI Data Release 1: Stellar Catalogue" by Koposov et al. contained a Figure that was incorrect. This has now been corrected.

By Marco Berton, Emilia Järvelä & 2 more. The study reviews the properties of local narrow-line Seyfert 1 galaxies and compares them with high-redshift active galactic nuclei, aiding understanding of ...

By Raquel Forés-Toribio, C. S. Kochanek. The study re-analyzes images of potential failed supernova N6946-BH1, finding four unrelated near-infrared neighbors. It also compares the luminosity of failed...

By Michael A Tucker, Mark E. Huber & 20 more. The first data release of the Spectroscopic Classification of Astronomical Transients survey includes 1812 spectra of 1331 transients, offering valuable i...

By Robert L Royer, David R Rice & 1 more. A modification of the planetary interior solver MAGRATHEA to include Carbon-based mantles to enable it to understand more fully the range of possible planet s...

By David A. Simon. The study explores the impact of non-Gaussian line spread function (LSF) profiles on stellar kinematics recovery. A method was developed to reduce bias in dispersion, with a Python ...

By Naomi Clare Robertson, C. Heymans & 12 more. The study forecasts cosmological parameter constraints for a cosmic shear analysis of the Rubin Observatory Legacy Survey of Space and Time (LSST), emph...

By Lillian Y. Cai, Felix D. Priestley & 1 more. This study reveals that traditional observational techniques likely underestimate true infall velocities and mass accretion rates in collapsing prestell...

By Austin Hinkel, Josephine Vanzant. This paper presents an algorithm that enhances the Two-Point Correlation Function, enabling detailed visualization of spatial clustering and complex structures in ...

This week is the first week in which we have published a full house of at least one paper in each of the six sections of astro-ph.

By Annie Heinrich, Irina Zhuravleva & 6 more. This study presents XRISM observations of the merging cluster Abell 2034, revealing the broadest emission lines yet seen in a galaxy cluster, indicating p...

By Owen Matthews Acuña, Christy A. Tremonti & 7 more. An extensive spectroscopic catalog and other data products for the EBOSS galaxy sample, opening the door to a new generation of studies in galaxy...

By Elisabeth M Penderghast, Benjamin C Bromley & 2 more. This study uses Gaia astrometric data and machine learning to identify stars with debris disks that may host undiscovered planets, providing po...

By Jim Buisman, Florian List & 1 more. This study presents a novel approach using a differentiable neural network model for predicting dark matter haloes abundance and their cosmology dependence, achi...

By Alekzander Kosakowski, Charles E. Derbyshire & 2 more. The study provides an observational analysis of BLG723.31.34651, a Roche lobe-filling hot subdwarf, revealing periodic photometric variability...

Using the dollar cost of an MNRAS APC as a basis, we have now saved the global astrophysics community over $2M (for an outlay of around $15K).

By Ismael Mendoza, Axel Guinot & 7 more. This study presents a modern implementation of the Bayesian shear inference framework for measuring cosmic shear signal in dark energy optical surveys, requiri...

By Nickolay Y. Gnedin, Harley Katz. This study explores higher-order closure relations in cosmic reionization simulations, finding that direct generalizations of M1 and OTVET are physically unstable, ...