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Astronomia w Krakowie
Photo: Międzynarodowa Stacja Kosmiczna i Księżyc z halo
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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:
› Lunar tidal response-induced clock frequency variations on the Moon
› A Composite Rest-Frame UV Spectrum of Galaxies at $5.7 < z < 6.9$: Ionization, Outflows, and Implications for Intergalactic Metal Enrichment
› $El\ Ascua$: An ultra-luminous, radio-loud, Compton-thick AGN at $z\sim 3.8$ hiding in plain sight revealed by MINERVA multi-band MIRI observations
› Dark Matter and MOND successes and degeneracies in reproducing SPARC rotation curves and weak lensing data
› Assessing the detectability of a realistic massive black hole binary population in LSST
› SN Ares: A Strongly Lensed Type IIb Supernova at $\mathbf{z=1.276}$ with a Predicted 70-Year Time Delay
› The Hosts and Mass Distribution Function of the Most Massive Black Holes: Implications for the nHz Gravitational Wave Background
› Wolf-Rayet Stars in M33: The Impact of Stellar Crowding on Spectral Classification and Mass-Loss Diagnostics
› How Steep is your Dust? Direct Measurements of Nebular Attenuation Curves at Cosmic Noon with JWST
› Empirical Brightening Model for Distant Long-Period Comets
› Recently launched AGN-driven outflow in a lensed quiescent galaxy at Cosmic Noon
› Identifying Cosmic Ray Over-Flagging in STIS CCD Spectroscopic Observations
› Faint Companions to Hot Stars. Spectroscopic Detection Sensitivity and Implications for Survey Design
› Collisional Evolution around A-type Stars with Strong Silicate Features
› Trapped sausage modes in magnetic pores: existence criteria and viscous damping
› Saturn's Formation at the Carbon Dioxide Iceline
› Initial Conditions of Magnetized AGN Accretion Disks from Cloud Capture and Disruption
› Accretion Geometry and Variability in QS Telescopii from multi-epoch Observations
› Exploring the UV Fe III Emission along the Quasar Main Sequence
› Constraining the Inner Dark Matter Profiles of Strong-Lensing Galaxy Clusters
› Proxima Centauri's Angular Diameter Revisited
› Late Epoch Infrared Spectroscopy and Two-Component 3D Photoionization Modeling of Classical Nova V5668 Sgr
› Gravitational Waves from Magnetically Confined Mountains on Accreting White Dwarfs
› Fast Outflow Driven from the Magnetically Arrested Disc
› Apparent magnetic field decay in a solar flare from Zeeman splitting of the Mg 12.32 microns observations
› PeV Diffuse Neutrinos from Magnetically Arrested Disks in Low-Luminosity Active Galactic Nuclei
› Emission line stacking on cosmological scales: equivalence to two-point statistics and modelling of the observational effects
› A Global Magnetohydrodynamic Simulation of the Birth and Cannibalism of Homologous Coronal Mass Ejections
› Spatial variability of CH4-to-CO conversion pathways in irradiated gas giant atmospheres: implications for chemical relaxation and 1D quench schemes
› Effects of Synchrotron Self-Absorption on Polarization Diagnostics of MHD Turbulence
› On the Evolution of Circumstellar Disks Modified by the Presence of a Binary
› Far Ultraviolet Variability on Timescales of a Few hours in the Recurrent Nova M31N 2008-12a: Origin and Implications
› Magnetoelastic avalanches in magnetar crusts with plastic islands
› Finite-temperature ab-initio-Informed Nuclear Equation-of-State Tables (FINEST): Nuclear matter uncertainties in core-collapse supernovae
› The Fate of Ice Sheets on Near-Synchronously Rotating Land Planets
› O Mirror, Where Art Thou?
› Core-Collapse Supernovae from Single and Binary-Stripped Massive Stars - I. Explodability and Nucleosynthesis
› FastPM: Fast Pretrained Model for Cosmological Simulation-Based Inference
› Properties of Oxygen-rich Asymptotic Giant Branch stars in the LMC and the Milky Way
› Observational evidence of the Gaia-Enceladus-Sausage merger's influence on the opposite side of the Galactic Center
› Atmospheric Turbulence Profiling in the Lenghu Site Area Using MERRA-2 Data
› Halo formation and distribution around cosmic web
› Polar-structure galaxies beyond the local Universe: first results from Euclid
› AllBRICQS: the All-sky BRIght, Complete Quasar Survey - Quasar Selection and Final Southern $G_{\rm RP}
› A MAGNHIFFIC cold-gas filament fuelling the nuclear activity of NGC 3100
› Planetesimal Delivery to Giant Planet Circumplanetary Disks: Bulk Ice Enrichment and an Ice-rich Iapetus
› Post-fragmentation Morphological and Broadband Color Evolution of C/2025 K1 (ATLAS)
› EP241021a as An Off-nuclear Month-duration Transient in a Dwarf Starburst Galaxy
› Survey of small amplitude waves in solar prominences
› Contributions of massive stars and classical novae to Galactic 26Al
› Automated, auditable dating of the Babylonian Astronomical Diaries with language models and astronomical tools
› The origin and distribution of diffuse HI in the close interacting MHONGOOSE galaxy systems
› ePNGCAT: the first eROSITA all-sky data release
› Comment on "Test of the Gravitational Force Law on Cosmological Scales Using the Kinematic Sunyaev--Zeldovich Effect''
› Theoretical Pulsation Properties of RR Lyrae and Type II Cepheids in the JWST and Roman photometric systems
› Correlations between Dynamical Dark Energy and Neutrino Parameters
› Resolving a Clumpy Disk Wind in 4U 1957+115 with XRISM
› Data-driven segmentation of solar filaments based on ground-based instrument data
› Magnetic Topological Evolution and the Predictive Role of Winding-flux-based Masked PILs in Extreme Solar Flares from AR13664 and AR13842
› Analytical modeling of the gamma-ray morphology of TeV halos around moving pulsars
› Magnetic switchback development from the evolution of torsional Alfv\'en waves
› Multiphase Gas Structure in JWST Little Red Dots
› Partial Fragmentation of Comet C/2025 K1 (ATLAS)
› O VI Emission in Starbursting BCGs: An HST-COS Extension of "Reigniting the FUSE"
› Reproducibility, Methodological Robustness, and Synthetic-Domain Selection Properties of AFINO for TESS Stellar-Flare QPP Analysis
› ODIN: Comparison of Source Extractor and Tractor Source Detection for Lyman Alpha Emitting Galaxy Selection at z=3.1
› Radio view of the Peanut cluster: merger-induced stripping and a radio halo shortly after pericentric passage
› Machine Learning Applications in the Solar Interior and Atmosphere
› Binary Progenitors of Electron-capture Supernovae
› Gaia DR3 Compact Binary Candidates Constrained by Radial Velocity Measurements
› Data-driven acquisition offset correction for telescope networks using machine learning and sensitivity analysis
› Experimental Validation of Double-Blind Fourier Holography in an HWO-Like Segmented Aperture
› The anomalously large transiting planet around Boyajian's star: evidence for a circumplanetary ring
› EP251129a: A Fast X-ray Transient with Two X-Ray Plateaus and Its Off-axis Afterglow
› A frequency-resolved measurement of the scattering law in FRB 20210415C
› Power spectrum of longitudinal-velocity residuals in the Galactic disk from Gaia DR3 red-giant-branch stars
› How Quickly Did the Giants Form? Constraining the Formation Timescales of Massive Quiescent Galaxies at Cosmic Noon Using Chemical Evolution Modelling
› UV-driven organic precursor formation and dust evolution outside the snow line
› Multiplicity of Massive stars in the Milky Way (M3W). II. The brightest single O stars: variability and systemic velocities
› GOWC: an open tool for observing-conditions prediction and observation planning, tested against site monitors and an exposure-time calculator
› Linking Detectable Tidal Features to Stellar Halo Growth: An Integrated Analysis of the Outskirts of Massive Early-type Galaxies
› An extended red wing of the 5797 {\AA} diffuse interstellar band in the Red Rectangle nebula
› Calibration requirements for Epoch of Reionization 21-cm signal observations - V. Bias and variance in the cylindrical power spectrum from uGMRT Band 3 observations of the ELAIS-N1 field
› Radial dependence of galaxy and halo properties in cosmic voids: SDSS DR7 and the ELUCID constrained simulation
› Comparison of Hybrid and Standard Reconstruction Methods on IXPE Astrophysical Data
› SoFTg: A hybrid segmentation framework for solar granulation revealing turbulent convection statistics at DKIST scales
› Space Electric and Magnetic Sensor (SEAMS) Phase I: A Pathfinder Mission for Low-Frequency Radio Astronomy
› QED VI: Neutral hydrogen gas in supernova-driven galactic outflows
› Torque lags from magnetic unlocking in neutron stars and gravitational-wave smearing
› A Congestion-Aware RDMA Front-End for LST Advanced Camera Readout
› The biases caused by interpolated table models and their impact on X-ray spectroscopy
› Investigating supernova-remnant X-ray maps with dendrogram-based techniques
› Photometric Redshift Estimation with Hybrid Quantum Neural Network
› Cracking into RACS - I. Measuring the cosmic dipole in the RACS-low3 and RACS-mid1 radio surveys with simulation-based inference
› Reconstructing the Three-Dimensional Stellar Mass Profiles of Massive Galaxy Clusters
› Mesoscale Modelling of Titan's Shangri-La region: the impact of surface properties on winds
› NOEMA Observations of the Center of M33: A Parsec-scale Molecular Filament and an Ordered Gas-Star-Formation Sequence
› Inferring the Total Mass of Galaxy Halos Using Photometry
› Model-independent calibration of gamma-ray bursts with Bayesian neural networks
› Physical assumptions versus nature: the shape of the heliosphere
› An Intermediate Mass Stripped Star in a 4.2-hour Orbit around a Compact Object
› A Warped Dust Ring in the CQ Tau Disk
› Explainable Prediction of High-Speed Solar Wind Streams driven by Coronal Holes via Topological Data Analysis
› The mass discrepancy problem in massive stars: an inferential perspective
› SPAM: Survey Overview and JWST/NIRCam Multi-Band Photometry Catalog
› Classification of Fermi Blazars of Uncertain Type Using Positive-Unlabelled Machine Learning
› Indication of Electron Antineutrinos from the Diffuse Supernova Neutrino Background
› The long-term evolution of a black hole accretion torus: a comparison between GRMHD simulations and relativistic thin disk theory
› Constraining Supermassive Black Hole Seeding and Accretion via Occupation Fractions and Mass-Weighted Distributions
› The design and flight of the Payload for Ultrahigh Energy Observations (PUEO)
› Connectivity rewiring and filament formation by active region emergence observed with Solar Orbiter
› pbhalo: computing primordial black hole and minihalo populations from a single primordial perturbation spectrum
› Mapping the Milky Way with SDSS-V: Galactic Genesis Selection Function and Mock Catalog
› Post-DART impact ejecta re-accumulation on Dimorphos and implications for Hera gravity measurements
› Tidal contributions to neutron star orbital precession around Sgr $A^*$
› The Impact of Flyby Interactions on the Rotation of Open Clusters
› Spectroscopic Survey of Small Solar System Bodies with Ariel
› Interaction of Strong X-mode Waves with Magnetized Pair Plasmas
› Neutron Star--Primordial Black Hole Binaries: Dynamical Tides, Resonance Locking, and Gravitational Waves
› Constraining Ultralight Dark Matter in Dynamical Dark Energy Cosmologies
› Accurate pulsar timing array likelihoods: better low-rank covariance for gravitational wave background
› Catastrophe Structure and Stability of Axion Stars
› Triple Decomposition of Field Gradient Tensors in Space Plasmas
› Exploring the Limits: Neutrino Mass and Interacting Dark Sector in the DESI Era
› Development of an FPGA-Based Readout System and Functional Characterization of a Custom NSX1 ASIC for X-ray instrumentation
› Comment on "Effect of perfect fluid dark matter..." [Phys. Dark Univ. 34 (2021) 100891]
› Identification of rippling interface between laser-ablated plasma and ambient uniform plasma at rest
› Experimental Evidence for Reflected Ions and Ion Temperature Anisotropy in a Forming Supercritical Magnetized Collisionless Shock
› Temporal rhythms of uncertainty: Evaluating Mars claims in the Australian colonial press
› Probing In-Medium Neutron-to-Dark-Fermion Conversion with Multimessenger Neutron Star Observations
› Near-exact Upper Confidence Limits for Axion Haloscopes
› Spiralling into Dark Energy: Axio-Dilaton Attractors in Light of Current Data
› Constraining Nuclear Matter from Finite Nuclei: the Ab Initio Perspective
› LunarRF: A Terrain-Aware Propagation Engine and Pole-Wide 3GPP Surface Coverage Atlas of the Lunar South Pole
› Relating Dark Dimension Size with Dark Energy via 5D Quintessence Potential and Casimir Energy
› $\Delta(1232)$ isobars and neutrino opacities in hot dense matter
› Revisiting supernova constraints on dark gauge bosons
› Nuclear fission: from fundamentals to frontiers
› Parameter-Decoupling-Informed Learning for Superresolution: Laboratory Validation and Galaxy Imaging
› A living catalog of stream interaction regions in the Parker Solar Probe era
› Delayed maximum energy solar energetic particle events: Statistical analysis from Solar Orbiter
› Gravitationally Induced Polarization-Angle Rotation in Pulsar-Black Hole Binaries
› Nonlinear Tides of Binary Neutron Stars
› Distilling neural networks into equations to predict planetary instability
› Direct measurement of the ${}^{23}\mathrm{Mg}(p, {\gamma}){}^{24}\mathrm{Al}$ reaction using the DRAGON recoil separator and a hybrid array of ${\gamma}$-ray detectors
› Environmental dependence of galaxy properties in the southern GAMA regions
› The Unhurried Universe: A Continued Search for Long Term Variability in ASAS-SN
› spherical: A Comprehensive Database and Automated Pipeline for VLT/SPHERE High-Contrast Imaging
› ZTF-SEDm Type Ia supernova sample for Twins Embedding spectrophotometric standardization
› Redshift Classification of Optical Gamma-Ray Bursts using Supervised Learning
› Constraining Twin-Star Existence in Four-Parameter Maxwell Equation of State
› JWST Spectroscopic Census of ALMA Faint Submillimeter Galaxies in the Hubble Ultra Deep Field
› Transient X-ray Sources as Extremely Eccentric Mass-Transfer Binaries with Compact Companions
› Diffusive dark fluids with Planck-2018 and DESI BAO DR2 Measurements
› On the relation between magnetic field strength and gas density in the interstellar medium. II. Density uncertainties and diffuse gas constraints
› Symmetry-Protected Momentum Exchange between Dark Matter and Dark Energy
› An Enriched Methane D/H Ratio in the Interstellar Object 3I/ATLAS
› Numerical calculations of neutron star mountains supported by crustal lattice pressure
› Equation of State for warm Neutron Star outer crusts
› Calibration-Induced Systematics in SALT3 Training and Their Impact on Dark Energy Constraints from Stage IV Supernova Surveys
› Cosmic-web Environmental Impacts on the Halo Substructure Boosts to Dark Matter Annihilation Signals
› (LRDs)$^2$: The Low-ReDshift Little Red Dots Survey. II. DESI DR1 Sample
› Superrotation and Jet Migration in Simulations of Giant Planet Atmospheres
› Targeting black holes from metal-poor progenitors with next-generation gravitational-wave detectors
› Constraints on Horndeski gravity with phantom crossing
› On the assessment of the disk truncation and detection of type-II-like bursts from the accreting millisecond X-ray Pulsar IGR J17062-6143
› CHEX-MATE: AMALGAM weak-lensing analysis of 41 Planck Sunyaev-Zel'dovich-selected galaxy clusters
› A Covariance-Aware Framework for Spatially Resolved Exoplanet Biosignature Inference with the Solar Gravitational Lens
› ALMA visits the QSO MUSEUM: Connecting molecular gas and the cool circumgalactic medium around 37 $z\sim3$ quasars
› Strong Lensing Tomography: Double and pseudo multi-source plane strong gravitational lensing to constrain dark energy
› Non-thermal emission in jets and winds: Expected emission and spectral index distributions
› Emulation of non-linear 1D spectral models: relativistic X-ray reflection
› Asteroseismic forward modelling of 36 $\beta$ Cep pulsators and inferences on their internal differential rotation
› DragonflyPol: Wide-Field Optical Linear Polarimetry with the Dragonfly Telephoto Array (Instrument Description and Commissioning)
› Probing Graviton Mass with MeerKAT PTA and SKA-PTA Forecasts
› A Four-Dimensional Gaussian Random Field Generator for Modeling Spatiotemporal Variability in Astrophysical Sources
› Resolving Galactic and Cluster Dynamics Without Dark Matter: Tsallis Entropy as the Unique Foundation of Emergent Gravity
› S301 and friends: Measuring the spin of Sgr A*
› Axion Inflation: Perturbative control in the strong backreaction regime
› Where did all the Little Red Dots go? The abundance of LRD analogues among objects with broad lines at $z < 0.35$
› No evidence for a supermassive black hole binary in GSN 069
› Why is GN-z11 Bright, Compact, and Nitrogen Enhanced? Insights from UV Absorption and Emission Diagnostics
› $R_{\rm e}$, or not $R_{\rm e}$: Developing $R_5\equiv R_{-2}$ as a scale radius for galaxy sizes, masses, and mass-to-light ratios
› Breakout/Interchange Reconnection as a driver of Jets, Fast Coronal Mass Ejection, and Solar Energetic Particles
› A Similarity Theorem and Its Breakdown in Atomic Black Hole Accretion
› Primordial Black Hole Seeds for Little Red Dots in $f(R)$ Gravity
› STOKES tables and KY codes
› Ultra-compact twin stars with hybrid equations of state from bosonic dark matter
› A Kinematic Measurement of the Effective Viscosity of the Intracluster Medium: The Cold Front of A3667 Seen by XRISM
› Late-Time Emergence of Dark Energy and Its Interaction with Dark Matter
› Hidden structures in the UHE sky: unveiling potential cosmic-ray sources via spectral signatures
› The Neutral Hydrogen Gas Content of Star-forming and Quiescent S0 Galaxies
› Forward Bayesian Inference for the Binary Black Hole Populations
› The Redshift-Space Galaxy Power Spectrum at Two-Loop Order
› Self-Interacting Dark Matter: From Particle Physics Theories to Structure Formation Simulations
› The Dancing Bonfire: An Unusual Persistent X-ray Source in M81 Exhibiting Recurrent Luminous Flares
› Clustering of JWST LRDs. Implications for PBHs and other early-forming seeds
› MACE: Multigroup-Multiangle Integrated Thermal Compton Scattering Kernel
› Rest-frame Ultraviolet Variability of Quasars in the Cosmic Himalayas Overdensity
› The first selection of optimal targets for the Lazuli ExtraSolar Coronagraph's reflected starlight exoplanet campaign
› Black holes in thermal bath live shorter: Implications for primordial black holes
› Neutrino absorption in two-flavor color-superconducting quark matter
› Cosmological and High Energy Physics implications from gravitational-wave background searches in LIGO-Virgo-KAGRA's O1-O4a runs
› p-Wave Dominant Majorana Dark Matter and Its Self-Interactions in a Gauged $U(1)_{L_\mu - L_\tau}$ Model
› Searching for dark matter X-ray lines from the Large Magellanic Cloud with eROSITA
› What does it take to have $N_{\rm eff} < 3$ at CMB times?
› Quasi-linear theory of fast flavor instabilities in homogeneous environments
› A systematic evaluation of vision-language models for observational astronomical reasoning tasks
› Population-level correlations in Bayesian statistics: an illustrative model for gravitational-wave astronomy
› Time-domain framework for the Teukolsky equation with a particle source using comoving hyperboloidal coordinates
› Massive boson stars: Waveform-based branch diagnosis with neural reconstruction
› Modified Cosmology from Mass-to-Horizon Relation: Observational Bounds
› Axion-driven spontaneous leptogenesis, precisely
› Plasmon-polaritons in a rarefied nonrelativistic neutron gas
› The Bondi dipole in full numerical relativity: a self-accelerating positive-negative mass binary
› NRHJSur3dq8: a spectral numerical-relativity surrogate family for non-eccentric aligned-spin binary-black-hole waveforms
› Black Hole Spacetime Reconstruction from Galactic Rotation Curves: Thermodynamic Properties and Implications
› Hybrid Partial Dressing: Correct Effective Potentials at All Temperatures
› Bayesian inference of non-Maxwellian distribution functions from collective Thomson scattering spectra
› A Framework for Automated Multi-Source Satellite Data Analytics and LLM-Based Report Generation
› A scalar-extended ${\rm U(1)_{L_{\mu}-L_{\tau}}}$ explanation of the LUX-ZEPLIN 248 keV excess
› Binary Ellis-Bronnikov wormholes in 3+1 numerical relativity: mergers, fly-bys and gravitational waves
› Strong-Field Gravitational-Wave Lensing from Ray-Traced Arrival-Time Surfaces

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