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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:

› Unveiling the Origins of Local Group Galaxies with ELT-SHARP: An Overview of Science Cases
› SHARP(ening the) view of unresolved globular clusters in ultra diffuse galaxies
› Black Hole Seeds and Little Red Dots: Connecting Formation and Growth with a JWST Multi-Cycle Treasury Program
› Latest $\nu$s from the Earliest Galaxies: Probing neutrino self-interactions with JWST
› Phase Offsets Between the Minimum Light and Radial Velocity in Long Secondary Period Stars
› The obscured nucleus of NGC3256 S. I. Anisotropic AGN near-IR radiation field traced by CO v=1-0 with JWST/NIRSpec
› General-relativistic neutrino-radiation hydrodynamics of crust ejection in magnetar giant flares
› Why a Multi-Cycle Treasury Program is Essential to Maximize JWST's Scientific Contributions to Galaxy Formation
› AGN Archaeology: A Systematic Search for Fading AGN in MaNGA
› A multi-epoch VLBI study of compact symmetric objects as contaminants in the search for milli-lenses
› Is the hard X-ray polarization of Cyg X-1 stable?
› Breaking dark degeneracies in $k$-essence models with redshift-space distortions
› The JWST Early Release Science Program for Direct Observations of Exoplanetary Systems IX: A Multi-Wavelength Framework for Source Characterization in JWST Coronagraphic Imaging of the HIP 65426 System
› Viable Phantom Crossing in Softly Broken Shift Symmetric Gravity
› The Composition of M-dwarf Exoplanet Hosts: Atmospheric Parameters and O, Mg, Si, and Fe Abundances from IR Spectroscopy
› The retirement party of GRS 1915+105: the radio fading to quiescence of the archetypal microquasar
› DOWSING, Dust Observations With SCUBA-2 In Nearby Galaxies: I. Dust in M81
› The HST-Hyperion Survey: X-ray AGN Enhancement in the Hyperion Proto-supercluster
› An analytical framework for atmospheric tides on rocky planets. II. Semidiurnal thermotidal torque
› The ALPINE-CRISTAL-JWST Survey: The Tully-Fisher Relation at $z = 4-6$
› On the importance of medium-resolution continuum spectroscopy for JWST's extragalactic legacy
› Feedback-Driven Star Formation and YSO Distribution around H II Regions Sh2-140 and Sh2-145
› Detection of Differential Chromatic Refraction with LSST Camera data
› A Machine Learning Approach to Coupling Photoionization & Multi-Frequency Radiation Hydrodynamics
› Formamide formation on forsterite and Mg(OH)$_2\cdot$H$_2$O
› MapHub: Daily Relevance Heatmaps of New arXiv Preprints for a Research Community
› Systematic Study of Cosmic Rays in Star-Forming and Starburst Galaxies using Fermi-LAT and Multiwavelength Data
› CosmicGrain: An On-the-fly Dust Physics Module
› GetGaia 2.0: automatic membership and systemic motions of stellar systems with Gaia
› Dust Survival in Lensed Quiescent Galaxies at $z>1$ Depends on How They Quench
› Coordinated Space and Ground Monitoring of Accretion Bursts in a Protoplanetary Disk: MIRI and iSHELL observe the long-term modulation of gas within a small inner disk cavity
› The 10 Mpc Volume
› Using Structure Functions to Characterize Protoplanetary Disk Velocity Residuals
› Double Neutron Star Mergers and Fast Blue Optical Transients: A Circumbinary Disk Connection
› Algebraic classification of single-field inflationary dynamics
› Magnetic contribution to outer-disk rotation in the spiral galaxy NGC 5055
› The Milky Way-like radial structure in nearby galaxies
› High precision timing of seven binary millisecond pulsars with the European Pulsar Timing Array
› Is Morphology All You Need? Quantifying Imprints of Past Star Formation in the Present-Day Morphologies of Galaxies
› No Significant Rotation of the Spiral Structure in the IM Lup Protoplanetary Disk
› Prospects for detecting hot-Jupiter tidal decay through transit timing with the mission Earth 2.0
› Preliminary Goniopolarimetric Simulations for Space Weather Radio (SWARA) Polarimeter
› MP-DualNet: A Dual-Branch Deep Learning Approach for Magnetopause Boundary Detection Using Simulated SXI Images
› Systematic Search for Cataclysmic Variables in Radio Surveys: First Radio Detection of IX Velorum
› First Results from JACKS: A VLA Ammonia View of Gas Heating and Star-forming Cores in the Central Molecular Zone
› Confirming HSC strong lens candidates with DESI Spectroscopy. II. Analysis of 80 galaxy-scale systems with lens redshifts above 0.8
› Constraining the timescale of activity in Mrk 1018
› Violent relaxation in hierarchical stellar systems: pathways toward massive black hole formation in the early Universe
› The Pristine survey XXXI. A stream offset from the Stream: very metal-poor stellar debris trailing 100$^{\circ}$ from the LMC-SMC system
› Probing the Seed Effect of Supermassive Primordial Black Holes with Weak Gravitational Lensing
› The Influence of the Inclination of the Accretion Disk in Black Hole X-Ray Binaries on the Energy Spectrum Characteristics
› A Large-Sample Study of Interstellar Reddening in Galactic Star Clusters
› Discovery of the redback pulsar PSR J2053+6905 and multi-epoch optical observations of the system
› Thorium and Europium production in the early Galaxy: Implications for nucleocosmochronology
› FALCON (FERMI-ALMA Calibrator ObservatioN): Cross-matching ALMA Calibrators with Fermi-LAT Blazars
› GALI Localization of Off-Grid GRB Directions: A Comparison of Rectangular and Triangular Calibration Meshes
› Multi-epoch monitoring of the faint northern component in 3C 84 during 2016-2021
› Comment on the recent claims of H0 measurements with the ZTF DR2 SN Ia sample (arXiv:2610.36051)
› Cepheid Metallicity in the Leavitt Law (C-MetaLL) survey: X First spectroscopic characterization of Galactic Type II Cepheids and calibration of the Period-Wesenheit-Metallicity relations
› GradFlex: a Gradient-Based Method for Weak Lensing Flexion Measurement
› Design and Commissioning of the BURSTT-256 Main Antenna Array for the Fast Radio Burst Survey in the Local Universe
› Multi-layer magnetic structure toward NGC 1333 revealed by a square-degree optical polarimetric survey
› Inertial sub-range detection and characterization for ground-layer turbulence at new extremely large telescope sites in Chile
› Survey of Surveys Data Release 3. Homogenised stellar parameters across nine spectroscopic surveys
› Mass loss in AF supergiants: At the verge of the Eddington limit and still with weak line-driven winds
› Multi-Probe Cosmological Constraints on Clustering DBI Dark Energy Scenario
› The infrared unmodulated pyramid wavefront sensor: simulations, lab and on sky
› Results from a Stellar Occultation by (623) Chimaera
› Photometric eclipse-center variations over the long cycles of Magellanic double-periodic variables
› Octavius: A High-Performance Analysis Toolkit for Galaxy Simulations
› G92.4+5.0: A Perseus Arm superbubble associated with the H II region CTB 102
› Source Imaging of the Multiple Type-II Solar Radio Bursts and their Multiple CME-Shock Signatures in the Corona
› Rotational Excitation of HC$_5$NH$^+$ by He: Collision Dynamics and Astrophysical Applications
› The box within the Universe: anisotropies in periodic cosmological simulations I. Dark-matter-only simulations
› The slower rotation of planet-hosting stars revisited
› Mitigating scanning-induced systematics in Hipparcos and implications for Gaia astrometry
› Polarization cross-talk from non-stationary sources of image jitter
› The complex periodic variability of PKS 0301-243: hints of a supermassive black hole binary candidate
› SDSS-V LVM: Spatial Resolution Effects on Diagnostic Diagrams in the Magellanic Clouds
› The cold substellar frontier in JWST Extragalactic surveys: a robust parallax measurement yields the most distant known ultra-cold Y dwarf
› Tensor Networks for Block Adaptive Thermal Radiation Transport
› Joint analysis of the Macquart relation and the dispersion measure power spectrum: cross-covariance and redshift self-calibration
› Evolution of Dust In Protoplanetary Disks With Magnetized Winds
› BeAR: The Bern Atmospheric Retrieval code - A GPU-accelerated framework for low-resolution, high-resolution, and joint retrievals of exoplanet atmospheres
› On the Nucleon Effective Mass in Neutron Stars Cooling
› Constraining tau-sterile neutrino mixing with high-energy astrophysical neutrinos
› Probing Dark Matter-Electron Scattering with the Central Molecular Zone
› Analytic Marginalization Over Calibration Uncertainties in Gravitational Wave Inference and Application to Black Hole Ringdown
› Quantum Noise Engineering in Advanced LIGO
› Eddies that ride the flow: a model of turbulence with Richardson dispersion and anomalous dissipation
› Stars Within Stars: The Interplay Between Main-Sequence Stars and Dark Matter
› Convection in the interior of Cepheid variable stars
› The Goldilocks Prior: Physically Consistent Inference of Neutron Star Properties from Gravitational Wave Observations
› Reanalysis of GW170817 and GW190425 under the Goldilocks Prior
› A Theory of Partial Truth for Scientific Statements
› Scalar perturbations in two-scalar-field warm inflation
› The dielectric tensor for a fully anisotropic regularized Kappa plasma
› Enhancing Gravitational Waves from Global Strings via a First-Order Phase Transition
› First broadband search for fixed-polarization dark photon dark matter with GigaBREAD
› Scale-Invariant Three-Component Dark Matter and Gravitational Wave Signals
› Can cosmic neutrinos induce a cosmic birefringence signal?
› Triaxial $\mu$-PIC for resolving Multi-Hit Ambiguity
› Long lived MeV scale bound state dark matter alleviates the ${}^7 Li$ tension
› Can $n_s$ hint at a parity-odd sector of gravity?
› DIS-secting the universe with high-energy neutrinos
› Torsion talks only to spin: the CMB temperature as a test of energy exchange in Einstein-Cartan cosmology
› The Pristine survey XXVIII. Journey to the Galactic outskirts: Mapping the outer halo red giant stars down to the very metal-poor end
› A slow spin to win: The gradual kinematic evolution across metallicities of the proto-Galaxy to the high-${\alpha}$ disc
› Searching for axion-like particles with SPHEREx
› Resolving the black hole sphere of influence in a hyper-luminous obscured quasar at redshift 4.6
› Are magnetic fields in cosmic voids primordial?
› Dark Energy Crosses the Line: Quantifying and Testing the Evidence for Phantom Crossing
› Constraints on Compact Dark Matter Population from Micro-lensing Effect of Gravitational Wave for the third-generation gravitational Wave Detector
› Eccentricity distribution of extreme mass ratio inspirals
› A two-phase model of galaxy formation: IV. Seeding and growing supermassive black holes in dark matter halos
› Possible photometric signatures of nebular-dominated emission in $1.5 < z < 8.5$ JADES galaxies
› Fast far-sidelobe modeling for centimeter to sub-millimeter astrophysical observations
› Clustering redshift distribution calibration of weak lensing surveys using the DESI-DR1 spectroscopic dataset
› Searching for Cosmological Collider in the Planck CMB Data II: collider templates and Modal analysis
› Spinning compact object and chaos in galactic centres
› Detection of Gravitational Anomaly at Low Acceleration from a Highest-quality Sample of 36 Wide Binaries with Accurate 3D Velocities
› Implications of a contracted dark matter halo for the Milky Way's inferred virial mass
› Spectral Hierarchy of the Cosmic Web
› Lensing in the Blue III: Weak Lensing Shape Catalogs of 30 Merging Galaxy Clusters
› Estimates of the Dynamic Characteristics of Binary Systems for Traversable Wormholes Search
› GLIMPSED: Direct evidence for a fast active galactic nucleus-driven outflow from a z=6.64 little red dot host galaxy
› Cosmological discrete self-similarity in primordial black hole formation
› Machine learning technique for morphological classification of galaxies from SDSS. IV. CNN-Assisted Expert Validation of Morphological Catalogues for Merging, Irregular, Edge-on, Barred, Ringed, and Dust-lane Galaxies at 0.003 < z < 0.1
› FastChem 4: New chemical elements and improved convergence behaviour
› JWST's Dusty Blue BOAT -- GRB 221009A
› Vision-Language Model Ensembles Achieve Human-Expert Accuracy for Galaxy Merger Classification
› A Census of the 200 Most Massive Galaxies Spectroscopically Observed with JWST at zspec $\sim$3-15
› XRISM Reveals a Kinematically Coherent Core System of the Nearby Cool-Core Cluster Abell 2199
› Probing the matter-dominated expansion with multi-redshift Lyman-$\alpha$ BAO from DESI DR2
› Primordial black holes forming during kination: the trapped, the overdense, and the void
› Probing the baryonic--dark matter connection in galaxy clusters using X-rays with gated recurrent unit neural networks
› Emulating the complex galactic-scale orbital dynamics of LISA massive black hole pairs with normalizing flows
› Single Frequency CMB Foreground Removal with Inter-scale Machine Learning
› On an empirical method to build near-equilibrium axisymmetric and triaxial galaxy models
› Using High-Resolution Spectroscopy to Study the Composition, Temperature, and Dynamics of Exoplanet Atmospheres
› Structural quasi-universality in highly magnetized differentially rotating neutron stars
› X-ray Reflection as Diagnostic of Supermassive Black Hole Binary Properties
› Optical Signatures of Sgr A* and M87* with Dark Matter Halos
› [CII] as a global cold gas tracer in novel hydrodynamical simulations
› Magnesium silicate condensation in sub-Neptune envelopes: the fundamental link between chemistry, structure, and observables
› Filament-Arm Node Systems (FANS): A new probe of the winding and chirality of the cosmic web
› A Quantitative Method to Investigate the Spectral Class Time Evolution of Novae
› A Brief Review on the Statistical Properties of Fast Radio Bursts
› PROSWIN: Probabilistic Solar Wind Speed Forecasting Using Deep Distributional Regression From Solar Images
› Diverse Metallicities in Protoclusters at $z \sim 3.4$ detected by Deep Learning
› Lensing in the Blue IV: The First Weak Gravitational Lensing Maps from the Stratosphere
› Axial-Dipole and Equatorial-Dipole Coronal Holes: Congruent Magnetic Geometry, Divergent Evolution
› When, Why, and How CMB Compression Fails
› A strategy for astrometric quasar selection with Gaia DR3 and its application to discover new luminous $z>2$ quasars
› High-frequency water megamasers as precision probes of black holes, galaxies and cosmology: A case for a next-generation sub-mm/mm interferometer
› Gaia in Technicolor. I. A Simple Variability-Encoded Color-Magnitude Diagram
› Modeling Multi-band Active Galactic Nuclei Lightcurves Using a Self-supervised Attentive Neural Process Network
› OGLE-2013-BLG-1125/MOA-2013-BLG-584: Discovery of a gas giant orbiting an M dwarf
› pbhalo: computing primordial black hole and minihalo populations from a single primordial perturbation spectrum
› Robust statistical significance for Gravitational Wave inference
› Stellar Bars Reshape the Spatial Distribution of UV-bright Clumps in Nearby Galaxies
› von Neumann Stability Analysis of Braginskii MHD: Thermal Conduction, Viscosity, Magnetic Diffusion, and Thermoelectric Effects; and an Implementation in Athena++
› Inflation, Cosmic Perturbations and Non-Gaussianities
› Magnetically supramassive and hypermassive compact stars
› Quintessential Inflation in Light of ACT DR6
› Baryogenesis and EDMs in the 2HDM with a Complex Singlet
› Classical and quantum evolution of inflationary fluctuations
› Ultra-High-Energy Tau Neutrinos as Probes of Lorentz Invariance
› Towards LLM-Powered Automation of a Dark Matter Constraint Repository
› Leptogenesis with sub-electroweak-scale reheating temperature
› Spontaneous Scoto-leptogenesis

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