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Photo: Big Dipper over the dome
Big Dipper over the dome
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 News from astronomynow.com

› Happy New Year, Mars! The Red Planet is turning 39
› 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
RSS  Latest preprints on astro-ph:

› The Preprint Evolution: The Rise of Unreviewed Drafts on arXiv and its Implications for Astronomy
› Reconstructing Implicit Scientific Knowledge: Evaluating LLM Agents through End-to-End Reproduction of Astronomy
› Photoelectron and electron microscopy investigation of laboratory grown Mg-silicate space dust analogues
› Massive Population III Galaxies Near a GN-z11 Analog: The Role of the Baryon-Dark Matter Streaming Velocity
› GA-NIFS view of LAP1: Assembly of Pop~III stellar clusters during EoR
› Discovery of the Infrared Counterpart of the Rapid Burster with JWST
› LIMFAST. V. Probing Reionization with the Synergy Between 21 cm and Photometric Galaxy Surveys
› Discovery of over a thousand variable stars in Terzan 5 and Liller 1 with JWST
› Current and Future Constraints on the Primordial Power Spectrum
› SIFARI: Self-Supervised Interferometric Fitting for Astronomical Radio Imaging
› GameDev: GPU-accelerated model for dust evolution
› The 1.6 $\mu\mathrm{m}$ $\rm{H^{-}}$ bump as a diagnostic of TP-AGB contributions and recent quenching. I. Insights from stellar population models
› JWST lensed quasar dark matter survey V: Hints of self-interacting dark matter from 29 quadruply imaged quasars
› Toddlers in Resonance I: low masses and eccentricities of the 17 Myr giant planets HIP 67522 bc from transit timing variations
› The long period radio transient ASKAP J1448-68 is a cataclysmic variable
› Improved Modeling for Moving Sources of Radio Frequency Interference and Impact on Flagging Strategies
› COSMOS-3D: Diverse Environments and Hot-dust Signatures among Dusty Star-forming Galaxies at $z$ = 4.9-7.2
› Satellite stellar-to-halo mass relations in primordial black hole universes
› Divergence-free magnetohydrodynamics on a moving mesh
› Enhanced density fluctuations: consequences for stellar dynamics and dark matter substructure
› CHAMPS: The COSMOS High-Redshift ALMA-MIRI Population Survey - A New Census of the Dusty Early Universe
› Hierarchical Bayesian Inference on the intrinsic event rate of Type I gamma-ray bursts from the {\it Fermi}/GBM catalogue
› Bayesian Evidence for Inspiraling Hotspot Motion in the Galactic Center
› A Systematic Assessment of Total Stellar Mass Measurements with Spatially Resolved Photometry and Medium Bands at 1 < z < 9: The Impact of Mass-to-Light Variations and Outshining
› An Off-Nuclear Tidal Disruption Event Discovered At Late Times: The Case Of TDE 2023mfm
› Beyond what's observed: hierarchical inference of Gaia astrometric compact-object binaries
› Cosmological-perturbation equations from the total-angular-momentum formalism
› Connecting the Dots: Prospects for Detecting Multi-Source Inflation through Scale-Dependent and Stochastic Bias of Little Red Dots
› MOCSS: Multi-Object Coronagraphy for JWST/NIRSpec Slitless Spectroscopy
› Snapshots of r-process production in the Milky Way disk
› The Dense, Rocky Core of Haumea Revealed by Satellite Dynamics
› First Detection of the Doppler Shift of X-ray Photons Due to a Telescope's Orbital Motion
› CHAMPS: Data Reduction and Detection of ~3300 Dusty Galaxies at 1.2 mm
› Constraining Reionization with Persistent Homology: a Novel Summary Statistic for Wide-Field Lyman-$\alpha$ Emitter Observations
› Comparing Active Anomaly Detection Frameworks: From Light Curves to Images
› Binary tidal evolution as a sculptor of circumbinary planet architectures
› Fast Radio Bursts from Induced Upscattering. I. Magnetar Polar Fireballs
› MEGATRON: The Physical Origins of Steep UV Slopes at High Redshift
› PHAROS: Panchromatic spectral energy distributions of solar-like stars across evolutionary stages
› What We Have Learned from NICER About Neutron Star Radii
› Cool, Cloudy Nights on an Ultrahot Neptune: A Panchromatic NIRISS/NIRSpec Transmission Spectrum of LTT 9779 b
› Assessing the detectability and identification of pulsar halos with H.E.S.S. and CTAO
› How well do integral-of-motion distribution functions describe Milky Way-analogue halos?
› Whole-disk Photometric and Colorimetric Phase Curves of Earth with the Clementine Lunar Orbiter
› JWST/MIRI Spectroscopy of the Quiescent Black Hole X-ray Binary XTE J1118+480: Constraints on Jet and Circumbinary Dust Contributions to the Mid-infrared Emission
› Probing Baryons with the Kinematic Sunyae Zel'dovich Effect and Machine Learning Derived Peculiar Velocities using DESI DR2 and ACT DR6
› Properties of Circumfacular Regions derived from H$\alpha$ and Ca II K synoptic observations of the Sun
› Everything Everywhere All At Once: A Hierarchical Framework for Mapping Anisotropies in the Local Universe
› ECLIPSE-X: Plate-Scale Calibration as the Binding Constraint on Relativistic Astrometry with Spacecraft Navigation
› Combined constraints on the diffuse flux of cosmic neutrinos between 10^16 eV and 10^26 eV
› An Ionized Superstructure at Cosmic Dawn Revealed by a Foundation Model for Astrophysical Research
› A Bayesian Inference Framework for Binary Lens Events Fully Incorporating Higher-Order Effects
› High-CO2 Climates and Observables in the Outer Habitable Zone
› Population search for dark matter spikes in megamaser rotation curves
› Broadband reverberation mapping of quasars at cosmic noon
› Testing KMTNet--PRIME Optical--Near-Infrared Source-Color Constraints in KMT-2024-BLG-0211 and KMT-2024-BLG-1522
› Dynamical friction vs. subhalo heating in Cold Dark Matter haloes
› Morphological Identification of Dynamical Regimes in MHD Turbulence with ScaleAware-JEPA
› LUMA: A CNN for Strong Gravitational Lens Searches in Astronomical Imaging
› Cross-correlating Squared kSZ and HI Intensity Fields: A Map-level ACT--MeerKAT Forecast
› Weak Lensing Measurements from the Lyman-$\alpha$ Forest
› LISA Double White Dwarfs in Triple Systems
› Detecting Extragalactic Exoplanets With Fast Radio Burst Nanolensing
› Re-interpreting the GRS 1915+105 observations within the variable TADAF scenario
› First laboratory demonstration of iEFC for high-contrast imaging at small angular separation on ELT scales
› Astrometric Evidence for Outer Giant Planets in Known Exoplanet Systems
› Chondrule size averaging in two and three dimensions
› On the frequency-dependent time lags of the intermediate polar V709 Cas
› MEGATRON: Dwarf Galaxy Quenching in the Epoch of Reionization
› Multi-wavelength polarization degree dependence of Mrk 421 for different particle energy distributions
› A halo-based intrinsic-alignment model for simulation-based inference
› Homogeneous Nucleation of Water Vapor Evidenced by Elongated Clouds on Mars
› On the origin of carbon- and oxygen-rich hot subdwarfs: an sdB merger scenario
› The ALPINE-CRISTAL-JWST Survey: Investigating the role of interstellar dust, gas and stars in high-z galaxies at kpc-scales
› Search for dark matter annihilation in the Sun using the full ANTARES dataset
› Caught in the act: diffuse stellar and Ly$\alpha$ emission around a halo-less quasar in the assembling cluster CARLA J0800+4029 at z=2
› The Occurrence Rate of Planets Around Subgiant Stars from TESS Photometric Survey
› Carving out the Multifield Cosmological Collider Landscape
› TOI-6981 b: a transiting sub-Neptune at the water ice line
› Fooled by mass? Recovering the $\Gamma-\lambda_{Edd}$ relation of quasars from their X-ray variability
› Abundance analysis of three new extremely metal-poor stars, including one CEMP-s star
› GA-NIFS: sRMS, a new method for disentangling resolved and unresolved emission in integral field spectroscopy. Application to distant quasars
› X-ray measurements of the elemental abundances for the diffuse emission in the nuclear starburst galaxy NGC 3079
› Thermally irreversible sulfur chemisorption on silicate grains as a major sulfur reservoir in molecular clouds
› Common Envelope Evolution: Too stochastic to be deterministic
› Fast and furious -- High-velocity features of Ca and Si in the spectra of Type Ia supernovae
› Detecting atmospheres in the presence of stellar contamination: an empirically calibrated framework applied to four JWST/NIRSpec PRISM transits of TRAPPIST-1c
› On-sky commissioning and technical performance of Proto-NUX at Pic du Midi
› Shaping binary black hole merger efficiency with gravitational wave observations
› Near-infrared periodicity in the SPICY catalog. True young stellar objects versus contaminants
› ALMA - CTAO synergies
› Solar spicule population properties inferred from IRIS Mg II k off-limb spectra using likelihood-free Bayesian inference
› An End-to-End Numerical Framework for Tidal Disruption Events with AthenaK
› A Full-Sky SPHEREx Map of Integrated 3.3 and 3.4 {\mu}m PAH Emission
› Detection of fine-structured radio bursts during a superflare on EQ Peg
› Joint Mass-Radius and Magnetic-Geometry Inference of PSR J0740+6620
› Torsionally excited methanol in massive young stellar objects: The role of the mid-IR radiation field
› Constraining exoplanet population parameters with Kepler and simulation-based inference
› Improved Constraints on the Surface of LHS 3844 b from its Mid-Infrared Spectrum
› Radiation Hydrodynamics of Self-gravitating Protoplanetary Disks II. Accretion, Migration, Spin, and Internal Structure of GI Fragments
› Science Using Single-Pulse Exploration with Combined Telescopes: II. Pulse profile evolution and single-pulse modulation
› Detecting HI Self-Absorption using Neural Networks
› Discovery of the Lyman-$\alpha$ Forest in a Star-Forming Galaxy at $z \approx 7.57$: Implications for the Timing and Topology of Cosmic Reionization
› Very High-Energy GRB Afterglow Fits with Neural-Network Emulation and Bayesian inference
› Gravitational-wave dark sirens as astrophysical probes: inferring galaxy-merger relations and identifying individual hosts
› Atmospheric dynamics and variability of periodically irradiated tidally locked planets
› LYRA: The formation and growth of nuclear star clusters in dwarf galaxies
› Low Frequency Gravitational Wave Detection with Gravito-Magnetism
› Constraining dark matter using 20-year INTEGRAL/IBIS observations II: Sub-GeV dark matter
› Black Hole Quasinormal Mode Resonances and Reconnections in Coupled Systems
› Stochastic gravitational-wave background from subsolar neutron stars in collapsar disks
› LMC-Perturbed LZ Dark Matter Landscape
› What Fraction of Extreme Mass Ratio Inspirals That Merge After the LISA Mission Ends Are Detectable?
› Computing gravitational radiation from highly eccentric bound binaries in the small-mass-ratio limit
› An Energy-Conserving Unstaggered Electromagnetic-Potential Particle-in-Cell Method, Part II: Fully Relativistic Formulation with an Adapted Higuera--Cary Pusher
› Does the High-Energy LUX--ZEPLIN Event Suggest Hyperfine Atomic Dark Matter?
› The Irreversible Depletion of Dark Matter Spikes by Extreme-Mass-Ratio Inspirals
› Gravitational-Wave Inference For Noise PSD Jumps Across Data Gaps
› The alternative scalar field dark sector of the Universe: Cosmological inflation, quintessence and ekpyrotic model in the framework of scalar-tensor cosmology
› Scaling RIFT 1: Extending RIFT to third-generation gravitational-wave analyses
› An autonomous approach to model daytime behavior of sub-ionospheric VLF signals over short and medium propagation paths in India
› Effects of Alfv\'enicity on the Compressible Energy Cascade in Magnetohydrodynamic Solar Wind Turbulence: Evidence from Parker Solar Probe, Solar Orbiter, and WIND observations
› Bayesian Constraints on Bosonic Dark Matter in Neutron Stars within a Covariant Density-Functional Equation-of-State Ensemble
› Fast and Flow-rious: Gravitational Wave Background Bayesian Model Comparison using Normalizing Flows and Nested Sampling
› CMB Injection Bounds on Moduli Fields
› Exact bispectra in strongly mixed multifield inflation
› Superfluidity in the Interiors of Neutron Stars
› LMC-induced Perturbations in the Milky Way Halo:I. HaloDance Simulation Suite and Observational Forecasts
› MEGATRON: Reproducing the Diversity of High-Redshift Galaxy Spectra with Cosmological Radiation Hydrodynamics Simulations
› Complex dynamical regimes of the Tayler-Spruit dynamo
› Euclid preparation. Testing analytic models of galaxy intrinsic alignments in the Euclid Flagship simulation
› The Role of Inner Halo Angular Momentum (Spin) in Shaping Dark Matter Bars in Milky Way Analogs
› Seasonal Variation of Polar Ice: Implications for Ultrahigh Energy Neutrino Detectors
› A Comparative Study of the Streaming Instability: Unstratified Models with Marginally Coupled Grains
› Hydrodynamic escape from the proto-lunar disk and the origin of the Earth-Moon volatile dichotomy
› A modern halo streaming model for redshift space distortions
› A spatial filter for mitigating radio interference and its application to CHIME/FRB Outriggers
› Gravitational Waves from Cosmic Dawn: Tracing Cosmic Black Hole Binaries with ET, LGWA, and LISA
› Higher-order statistics of the stochastic gravitational wave background from supermassive black hole binaries
› The Radio-FIR Correlation in the Context of Deep Radio Source Counts
› Temporal Invariance Is an Illusion: Time-Dependent Influences of the Galactic Magnetic Field on UHECR Observations
› The Effects of Cosmic Ray Protons on Galactic Nonthermal Filaments
› SN 1006: A Cosmic Laboratory for Investigating Shock Acceleration Physics
› The Chirp-Mass Ladder: A New Rung Emerges
› Resolved Ages and Stellar Metallicities in Progenitors of Milky Way Analogs: A Closer Look at their Star Formation Histories since $z=5$
› SN 2023rve: A Type II Supernova with No Nebular Oxygen
› On-Orbit Calibration of Danuri/PolCam. II. Image Artifact Correction
› LMC-induced Perturbations in the Milky Way Halo II: Bridging Field-level Inference and Summary-level Simulation-Based Inference
› Constraining the $z \approx 1$ neutral hydrogen (HI) distribution
› HXI-DLA2: A Physics-Constrained Deep Learning Algorithm for the ASO-S Hard X-ray Imager
› How Neutron Star Radii Encode the Dense-Matter Equation of State and Hadron-Quark Transition
› Constraining spinning primordial black holes with interstellar dust heating
› Generating the wide sequence of Diffuse Galaxies with de Broglie waves of Dark Matter
› The interplay between active galactic nucleus photoionization, radio jet, and star formation in the z $\sim$ 3.5 radio galaxy 4C +03.24
› Comparative spectro-temporal study between 1A 1246$-$588 and 4U 0614$+$091 using AstroSat
› Pulsed Accretion onto Eccentric Binaries in Highly Misaligned Circumbinary Disks
› The July 2023 Outburst of Comet 12P/Pons-Brooks: Observations and Modeling of Dust Coma and Arc Structure
› Discovery of a 62-min long-period transient with near-orthogonal rotator geometry
› Planetesimal formation facilitated by streaming instability in weak pressure bumps
› Refactoring the SIXTE simulator: Towards a more modular code base
› Fast radio burst - persistent radio source systems III. The relation between PRS luminosity and FRB rotation measure
› From Stars to Waves: Stochastic Inference of Microlensed Gravitational Waves
› Sommerfeld enhancement from unstable final-state particles in dark matter annihilation
› The Depletion of Collisionless Dark Matter Spikes
› Kaon Portal to Freeze-in Dark Matter
› Hybrid Expansion Cosmology in f(T) Gravity: Late-Time Evolution and Observational Bounds
› Probabilistic Causality from Graviton Fluctuations
› A Common Antimatter Response in AMS-02 Positrons and Antiprotons
› Primordial black hole formation in bulk-viscous cosmology
› Multiple-Mediator-Affected Ultra-High-Energy Neutrino Attenuation: Hints for 5D ${U(1)}_{L_\mu - L_\tau}$ in IceCube
› A Systematic Study of Resonance-Driven Flux Modifications in Extreme-Mass-Ratio Inspirals

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