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 News from astronomynow.com

› 3I/ATLAS was born in the deep freeze
› Roman Space Telescope launches on mission to survey the Universe
› JWST’s ‘impossible’ early galaxies may be even more massive than we thought
› How to observe the 12 August 2026 solar eclipse
› Falcon 9 lunar impact: More than a new crater
› Euclid opens a new window on the first billion years of cosmic history
› Caught in the act: the wind that could kill a galaxy
› Europe’s Mars rover may land in the remains of a vast ancient water system
› Moon dust preserves record of life’s building blocks
› Dark matter may come in multiple forms, new model suggests
RSS  Latest preprints on astro-ph:

› Spectroscopic Study of the Circularly Polarised Radio Source TYC 2834-1385-1: An Active Binary
› Revealing the Shiny Nature of Lava Worlds: Small Planet Phase Curves with TESS
› Euclid Quick Data Release (Q1): Disc breaks highlight the structural evolution of galaxies through time
› Compact Object Mergers and Micro-Tidal Disruption Events: A Multi-Messenger Probe of Dense Stellar Environments
› EPIMETHEUS: Effective PSF inferred from mosaics
› DIISC-VII: Linking Radial Gas Motions to Anomalously Low Metallicity Star-forming Regions in the XUV Disk of NGC 3344
› Galaxies Below the Fundamental Metallicity Relation Are Morphologically Disturbed: Merian H$\alpha$ Morphologies and DESI Metallicities
› JWST and HST Confirm Transit Timing Variations for the Ultra-Hot Jupiter TOI-2109 b
› A Coherent Search for New Galactic Magnetars using Fermi/GBM and follow-up Swift/BAT: 7 Candidates and a Large Burst Catalog
› Interference Meets Inference: Bayesian Time-Series Modeling of Radio-Frequency Interference
› Waiting in the wings: extended emission GRBs from high latitude emission and jet expansion
› Simulated Effects of Radioactive Elements on Magnetic Evolution and Atmospheric Mass Loss of Earth-like Planets
› Radio Quasars in the Cosmic Dawn: A Spectroscopic Sample from the DESI Survey
› SN2025aico: An Interesting Case Of $^{56}$Ni Mixing, Ejecta Asymmetries, and Dust Formation in a Type IIb Supernova
› The Simons Observatory: Commissioning of the Mid-Frequency Small Aperture Telescopes
› Cavity-driven Gas Transport in Cool-Core Clusters: Implications for Multiphase Gas Cooling
› The birth and fate of stellar clumps in super-early galaxies
› N/O-enhanced chemical enrichment by massive stars: the interplay of optically-thick winds and rotation
› The lifetimes and properties of Little Red Dots in the AMBRA simulation
› M Dwarf Singles and Multis Have Dissimilar Metallicities Indicating Different Origins
› Revisiting planetesimal formation from mm-sized grains in pressure bumps
› From starlight to dark matter: a stochastic interpolation approach to map dark matter from stellar density
› Light-curve analysis of the classical nova YZ Ret: revisit with fully self-consistent nova outburst models
› Laboratory Evidence that Methanol-Rich Ice Mantles Lower Methyl Formate Binding Energies
› A Multiband Catalog of Infrared-Excess Sources in the Vela-Carina Region: VVVX, DECaPS, and GLIMPSE
› In-Situ Star Formation in a Thick Disk: A Model for Metal Enrichment of Mrk 573
› Disk truncation triggers relativistic jet launching of a highly accreting supermassive black hole
› CECILIA: Multi-line Constraints on Excess Nebular Emission from Low-Ionization Gas at Cosmic Noon
› The galactic HI-to-halo mass relation from isolated galaxies to cosmological hydrodynamic simulations
› New Optical and Mid-Infrared RR Lyrae Period-Luminosity-Metallicity Relations for Precision Distances and Metallicity Distributions in the Magellanic Clouds
› A High Resolution View of Three Massive Young Stellar Objects in the Magellanic Clouds
› Sequential Star-Formation and the Near-Infrared Stellar Populations within N159
› EP260119a: A High-Redshift Gamma-Ray Quiet Fast X-ray Transient Probing a Potentially Hidden Population of Relativistic Explosions
› Search for High-Ionization Nebular Emission (SHINE). I. A Systematically Selected [Ne V] Sample at z > 3 with JWST/NIRSpec PRISM
› Increasing Sensitivity to Trailed Solar System Objects in Archival JWST NIRCam Imaging with Group Differencing
› Shape Degeneracies: the likely culprit for the differences between lens mass models of galaxy clusters
› A multi-telescope fit to the FRB population, allowing for FRB repetition
› Is accretion flow magnetically arrested in M87?
› Orbital and spin periods of the intermediate polar 2PBC J0800.5-4306
› Estimating redshift distributions of Fermi blazars with multiple machine-learning models
› The Dynamical Environment of Kepler-223 Planetary System
› Distance Estimation using Globular Clusters and Ultra-Compact Dwarfs
› Dynamical Behavior and Surface Features of Large Super-Fast Rotator Near-Earth Asteroid (436724) 2011 UW158
› Ubiquitous nuclear disks and bars embedded in massive galaxies in the cosmic morning
› Kelvin-Helmholtz vortices in the Martian +E hemisphere downstream of crustal magnetic anomalies
› On the rates of binary star collisions around hypermassive black holes
› Origin of the high-energy spectral cutoff in gamma-ray pulsar halos
› H_alpha observations of the Be/X-ray binary MWC 656
› PANGU I: A Parthenon-Based Framework for Fixed-Spacetime GRMHD
› Tracing magnetic flux rope footpoints in AR 12975 with coronal dimmings and data-driven magnetofrictional simulations
› White Dwarf Pulsars: an emerging class of compact binaries
› Relativistic accretion-disc models of Cyg X-1 in the soft state: a case study
› Dark Matter-Induced Stellar Oscillations in the de Broglie Regime
› Europa smooth plains formation: a SPH cryovolcanic model
› Juice-SWI during the Lunar-Earth-Gravity-Assist (LEGA) - Part 2: Instrument operations
› Broad-band spectral-timing: simultaneous NICER and HXMT observations reveal an anticorrelation between the softest and hardest X-ray fluxes in MAXI J1820+070
› Probing Exoplanetary Chemistry with Ariel: Scientific Priorities and Observational Strategies
› Multi-Band Optical Variability Characteristics of the $\gamma$-ray emitting blazar 1ES 0647+250 during its 2020 flare
› A magnetar-powered jet-wind outflow in gamma-ray burst-associated supernovae: Application to the thermal components of GRB 060218-SN 2006aj
› Energy estimation of direct and reflected cosmic-ray events aboard balloon-borne radio detectors
› A ready-to-deploy MLOps software platform for satellite and NEO detection at meter-class ground-based observatories
› Nordic-based observations of binary asteroid (163693) Atira reveal a hydrated CM chondrite composition
› ALMA's sharpest view of IRAS 08544-4431: Unveiling the dust distribution asymmetries in the circumbinary disk
› Stellar flares with Ariel: detection prospects and impacts on exoplanet spectroscopy
› Semi-Analytic Solutions For Warped, Super-Eddington Accretion Disks with Outflows
› The Neutral Hydrogen Gas Content of Star-forming and Quiescent S0 Galaxies
› A Diagnostic Method for Proto-Neutron Star Magnetic Fields by Supernova Fallback Neutrinos
› High-Resolution Modelling of Coronae and Winds in Solar-type Stars with Varying Rotation Rates II. Stellar Winds
› Detection of metal absorption lines in quasar spectra: a neural network approach using U-Net
› Nature of small-scale Ca II H brightenings associated with weak fields in a quiet Sun region
› First X-ray detection of symbiotic nova CN Cha with eROSITA/SRG
› Shock-free super-Eddington accretion onto magnetized neutron star
› Variable opacity and accretion-column regimes of magnetized neutron stars
› Gamma-ray emission toward supergiant shells in the Large Magellanic Cloud
› The dust in Sauron's eye - Observational and experimental results on the debris disk around HR 4796
› Radio component of the multi-messenger emission from the anticipated T Coronae Borealis outburst
› 4U 1624-490 as a possible intermediate-mass X-ray binary: constraints from XRISM and NuSTAR spectroscopy
› JWST evidence for a sharp "Cosmic Daybreak" at z = 15
› Study of blazar variability through their flux distribution for CTAO long-term monitoring
› A Tentative Line-like GeV Excess in Fermi Blazar 4FGL J1754.2+3212: Implications for Jet Physics and Beyond
› Investigating the ionization mechanisms powering the extreme emission lines in metal-poor galaxies
› Entropy applications in cosmology: spacetime thermodynamics, holographic dark energy, entropic gravity and beyond - a review
› The Lumina Project: Morphology of Ionized Bubbles and Neutral Islands
› Interstellar extinction of classical Cepheids from neighboring stars I. Methodology and application to 16 Galactic Cepheids
› A Search For Stellar-mass Black Holes Via Astrometric Microlensing II: 2012-2015 Keck Candidates
› Performance-portable GPU acceleration of the hybrid particle-in-cell code dHybridR
› Differentiable astrophysics at scale: solving and differentiating ODE ensembles on the GPU
› First Pre-peak Ultraviolet Spectrum of a Tidal Disruption Event: A Fast Outflow Revealed Prior to Maximum Light in TDE2025aarm
› A sub-100 pc view at z~5 of a Multiply-Imaged Massive Quiescent Galaxy
› Non-Perturbative Modulus Decay and Multi-Component Dark Matter
› Probing magnetic correlations in anisotropic turbulence
› Precise QCD Predictions for the Scotogenic Model at Colliders
› The universe as a superconductor: How to search for a photon mass
› Supernova Gamma-Ray Echo as an Astrophysical Near Detector for Galactic Neutrino Propagation
› A Simple Miniaturized Stellar Interferometer: Measuring the Angular Diameter of Venus with a Masked Telescope
› Super-Resolution of Solar Magnetograms via Adaptive Stratified Ensemble Learning with Uncertainty Estimation
› Axions and the RR Lyrae Period-Luminosity Relation
› Correcting for Evidence Uncertainty in the Templated Background Search for the Stochastic Gravitational-Wave Background
› Quasinormal-mode redshifts of black holes in galactic halos with radial pressures
› Multi-Model Analysis of the Astrophysical $S(E)$ Factor for the $^{9}\mathrm{Be}(p,\alpha)^{6}\mathrm{Li}$ Reaction and Its Impact on Astrophysical Reaction Rates
› Jodrell Bank and the British Astronomical Association: The Making of a Generation of Scientists
› Dark Transport Erases Baryon Inhomogeneity from Supercooled Phase Transitions
› Anisotropy and energy distribution of leptons and photons in radiative relativistic Alfv\'{e}nic turbulence
› PISCES: Physics-Informed Solar-wind Convolutional autoEncoder for Space-weather Anomaly Detection and Early Warning
› Neural Network Guided Parameter Space Constraints for Gravitational Wave Searches from Binary Black Holes
› The compressible liquid drop model with curvature included algebraically for the pasta phases in neutron stars
› Big Bang Nucleosynthesis as a Probe of First-Order Phase Transitions
› Strange Quark Stars and Spontaneous Scalarization
› Multivariate Continuous-Time Autoregressive Moving Average Processes for Astronomical Multiband Time Series
› Fermionic cosmic strings in dynamical Chern-Simons gravity
› Sterile Neutrino Dark Matter Cries for GeV Heavy Neutral Leptons
› Project Dinos II: Redshift evolution of dark and luminous matter density profiles in strong-lensing elliptical galaxies across 0.1 < z < 0.9
› Twisted echoes of an odd quartet: Scalar-induced gravitational waves as a probe of primordial parity-violation
› TSD: An inverse problem approach for recovering the exoplanetary atmosphere transmission spectrum from high-resolution spectroscopy
› The Entangling of Supernova Feedback Impacts with Coarsening Simulation Resolution
› Euclid preparation XCVII. Cosmology Likelihood for Observables in Euclid (CLOE). 4: Validation and performance
› Computational advances and challenges in simulations of turbulence and star formation
› Lens Model Accuracy in the Expected LSST Lensed AGN Sample
› Direct multi-model dark-matter search with gravitational-wave interferometers using data from the first part of the fourth LIGO-Virgo-KAGRA observing run
› Homogeneity scale in the local Universe: Model-independent estimate from S-PLUS iDR6 blue galaxies
› A Neural Network Approach to Preferred Event Selection for Low-Latency Gravitational-Wave Alerts
› The abundance of thin dwarf galaxies: a challenge for cosmological simulations
› How significant is the lensing interpretation of GW231123?
› Stellar masses of optically dark galaxies: uncertainty introduced by the attenuation law and star-formation histories
› Turbulent Dynamo Action in Binary Neutron Star Mergers
› Cosmography with gravitational waves I: Taylor expansion in the low-redshift regime
› Evidence for Log-Periodic Modulation in the Redshift Distribution of High-Redshift Compact Sources
› Cosmology with the line-of-sight shear of strong gravitational lenses
› Neutrino Spectral Pinching in 3D Core-Collapse Supernovae: Late-Time Convergence, Failed-Explosion Signatures, and Viewing-Angle Dispersion
› Tracing the Evolution of $\Omega_m(z)$ over the Last 10 Billion Years with Non-parametric Methods
› GLIMPSED: Direct evidence for a fast active galactic nucleus-driven outflow from a z=6.64 little red dot host galaxy
› TDCOSMO XXV: Measuring H0 to 6.5% precision with quasar strong lensing and maximally flexible mass-sheet dynamics
› EP250302a: violent shell collision in a soft-X-ray-selected GRB-like transient
› Denoising Interferometric Observations Using Visibility-Informed Neural Networks
› The Simons Observatory: Rotation Performance of Cryogenic Half-Wave Plate Polarization Modulators
› $E_{\rm peak}$-$\alpha$ Correlation in Time Resolved GRB Spectra: A Bottom-Up Approach with Optically Thin Inverse Compton Scattering Model
› GREX-PLUS Science Book v2
› MusE GAs FLOw and Wind (MEGAFLOW) XIV: Background-Galaxy Absorption Reveals Kiloparsec-Scale Structure in the Cool Circumgalactic Medium
› Hydrogen and Helium Dissolution, Outgassing, and Loss in Evolving Sub-Neptune Magma Oceans: Examining Demographic Features and Radius Evolution
› Short Spike, Long Story: Episode-Dependent Shifts of Long-Duration Type-I GRBs on $E_{\rm p,z}$--$E_{\rm iso}$ Plane
› The Chandra-Gaia Catalog of Counterparts: Resolving ambiguous Gaia matches to X-ray sources in the Chandra Source Catalog using Machine Learning
› Black Hole Occupation Fraction: Dependence on Black Hole Mass Threshold, Environment, Resolution and Redshift
› CHEX-MATE: AMALGAM weak-lensing analysis of 41 Planck Sunyaev-Zel'dovich-selected galaxy clusters
› Dynamics of Biased Domain Walls: The Rocket Effect
› A Split-Flux Method for Dust-Gas Two-Fluid Simulations from Strong to Weak Coupling
› Low-Metallicity Star Formation Survey in Sh2-284 (LZ-STAR): The Core Mass Function
› Solar Wind Proton Heating and its Effect on Temperature Anisotropy Evolution between 0.05 and 1 au
› Uncertainty-Aware Tidal Disruption Event Classification : A Host-Agnostic Probabilistic Random Forest Approach
› Multi-tracer mass bias in matched cosmic voids from SDSS DR7 and the ELUCID constrained simulation
› MEGARA Stellar Spectral Library. Second Release
› A targeted search for fast radio bursts from magnetars in elliptical galaxies
› Centaur Longevity Revisited: Lifetime Dispersion and the Bailey & Malhotra Classifications under Modern Orbital Solutions
› SPAMMS: 3D spectroscopic modeling of stellar surfaces. II. Implementation of Kurucz and TLUSTY model atmospheres
› Spectral Analysis of the Egress and Ingress Phases of Cen X-3 with XRISM/Resolve
› Feasibility of the Phobos 1 Hypothesis for Dark Comet 1998 KY$_{26}$
› Two-dimensional weak lensing shear for cluster mass, concentration, ellipticity and miscentering estimation
› Red noise and evolving signals: a complete frequentist approach to supermassive black hole binary searches with pulsar timing arrays
› Universality in the Transition from Inspiral to Plunge for Extreme-Mass-Ratio-Inspirals: High-Accuracy Analytic Solutions and Catastrophe Theory
› Linear Dilaton in Cosmology and Particle Physics
› Proper Time Shifts in Pulsar Timing Arrays

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