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Astronomia w Krakowie
Photo: Dome at sunrise
Dome at sunrise
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 92%

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1.6 km/h

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1002.0 hPa

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 News from astronomynow.com

› Hera closes in on the asteroid DART impacted
› 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
RSS  Latest preprints on astro-ph:

› Spacetime contactability in Galactic civilization networks: Contact counts and percolation
› Early X-ray emission as an observational diagnostic of gamma-ray burst progenitors
› Standalone Validation of a Pulsar Evolution Subroutine for NBODY6++GPU: Seven Test Scenarios
› Mitigating oscillatory systematics in MeerKLASS L-band H i intensity maps
› The Ordinary Days of Extraordinary Blazar 3C 454.3
› Aster: A Flexible and Robust Collection of Numerical Tools for N-Body Problems
› Mars Seed: A Reference Architecture for Biomanufacturing Habitats from Martian Resources
› STarlight Acquisition and Reflection toward Interferometry (STARI) mission
› The Impact of a Magnetic Field on stochastically generated g-modes
› Less is More: Unbiased Galaxy Clustering from Fewer Merger Trees
› Unidentified Sources in the 4FGL-DR4 Fermi-LAT Catalog as Potential Dark Matter Satellites
› Fast Scrambling Cosmology
› The chemical DNA of the Magellanic Clouds -- VII. The lithium abundance in the Small Magellanic Cloud and the discovery of 4 lithium-rich stars
› Accretion variability as a probe of black holes and their environments: Light curve signatures of a single hot spot
› High-precision abundance analysis of a unique CEMP-no star in Sculptor
› Revealing Hidden Excitation in the Core of NGC 4696: New Infrared Diagnostic Diagrams with JWST
› Extracting Published Discussions of 13,616 Galaxies with Language Models
› Signatures of mass transfer in open-cluster blue straggler stars. I. Collinder 261: Evidence from rotation, binarity, and chemical abundances
› Planetary material is a major source of hydrogen in helium-atmosphere white dwarfs
› Searching for Planets around Altair with JWST/NIRcam
› Near-Ultraviolet and Optical Observations of the White Dwarf ZTF J0328$-$1219 Reveal Variable Periodicity in its Transiting Debris System
› Identification of chromospheric dynamical signatures in the 2022 December 27 solar flare with DKIST
› Dust Reverberation Mapping of Low-Mass Active Galactic Nuclei
› Giant Radio Galaxies from the Third Data Release of the LOFAR Two-metre Sky Survey (LoTSS-DR3): Physical Characteristics and Environments
› TITAN DR1: The Type Ia Supernova Trove from ATLAS in the Nearby Universe - Host Galaxies I: Associations, Redshifts and Derived Properties
› Intermediate-redshift slow rotators as the progenitors of the most massive galaxies at z $\sim$ 0
› Detectability of Seyfert galaxies in point-source and stacking searches with a global network of neutrino telescopes
› Understanding Coronal `Seeing' using High Angular Resolution Radio Observations of Active Solar Emissions
› Imaging exoplanets below the telescope stability limit
› Beyond the Fast Rotators: A JWST Multi-Cycle Treasury Survey of Substellar Weather
› Cryohydrologic Flow and Pingo Formation Within Freezing Impact Melts in Occator Crater, Ceres
› The climate and potential habitability of a warm and oxygenated Mars
› A TESS Disappearing Act: The Vanishing Transits of TOI-2535 b
› Millimeter-Wavelength Constraints on Circular Polarization of the Cosmic Microwave Background at Arcminute Scales with the Simons Array
› Early--Narrow and Late--Wide Populations of GRB X-ray Flares
› Identification of the C IV $\lambda\lambda$5801, 5812 Emission in the Off-Nuclear TDE 2025abcr
› Flux Variation of the Crab Pulsar Observed Using Fermi LAT and NuSTAR
› Thermal-pulse-resolved Binary Population Synthesis with Detailed Stellar Models: Implications for Long-period WD+MS Formation
› A Possible Non-Transiting Companion in the TOI-2109 System Supported by Transit Timing Variations
› AGN feedback destroying group cool cores --- a case study on IC 2476 with a remnant radio AGN and an exceptionally low abundance
› The UV luminosity function at 1.6 < z < 2.2 from UVCANDELS
› Molecular signatures of shocked gas and enhanced cosmic-ray ionization in supernova remnant W49B revealed by ALMA
› OASIS: A Fast Dynamical Halo Finding Algorithm
› The unified bound dark energy--bound dark matter model confronted with DESI DR2, ACT and SPT-3G, and the Unite supernovae measurements
› Asteroseismology of the Gaia SB2 HD 70510: From Radial Modes to Component Masses
› Angular momentum transport in a newborn protostar--disc system: magnetic braking, spiral arms and the magneto-rotational instability
› Scalar-Induced Gravitational Waves Probing Phase Transitions in the Standard Model and Beyond
› Self-Interacting Neutrinos in NEDE and DRMD Cosmologies: Posteriors, profiles and evidence using CLiENT
› ExoPlanetLab: Bayesian orbit fitting of Gaia-DR4 epoch astrometry, radial velocities and relative astrometry
› Breaking the Chain: The Dynamical History of the Barnard's Star Planetary System
› Impact of Primordial Magnetic Field-induced Small-scale Power on Non-linear Structure Formation and Cosmic Reionization
› On the Existence of an Equilibrium Density Profile for Massive Collisional Star Clusters
› Stable cosmology under flexible covariances: Rescaling and cross-survey correlations in DESI BAO and supernova data
› Cross-experiment tests of the atmospheric-muon excess
› Tracing early galaxies back in time: implications for the dearth of galaxies beyond z~15
› Deriving physical parameters of unresolved star clusters. X. Size evolution of young star clusters in the M31 disc
› Measuring the Milky Way potential with the phase snail shape curves
› Log-normal behavior of Optical Polarization in a sample of Blazars: Evidence for Multiplicative Magneto-hydrodynamic Processes in Relativistic Jets
› Dust in Stellar Populations: Grid-Based and Bayesian Spectral Energy Distribution Fitting of AGB Stars with SEDust and MCM-SEDust
› A Virgo Environmental Survey Tracing Ionised Gas Emission (VESTIGE). XXIII. NGC 4569 past orbit reconstruction with ORFEO
› Constraints on Lorentz Invariance Violation from PeV Gamma Rays of Cygnus X-3 Observed by LHAASO
› Ultra-high-energy cosmic rays require metal-rich sources
› Cosmic String Networks with Time-Varying Tension: Field-Theory Simulations and an Analytic Model
› Two-component $\gamma$-Ray Structure from the CR Sources
› NuSTAR view of the NGC 4151 corona: thermal balance and astroparticle constraints
› Empirical constraints on cosmic-ray scattering in NGC 1333 from dust polarisation
› A large radiatively loud anti-glitch in 1E 2259+586 with a protracted recovery
› Spectral-Timing Evolution of the Black Hole X-ray Binary LMC X-3: An XPoSat View
› The PAU Survey: Dissecting strong-lensing systems with narrow-band photometric redshifts
› Probing for anisotropies at different angular scales in the arrival directions of the cosmic rays detected at the Pierre Auger Observatory
› Unveiling the Extreme Universe with Recent IACT Discoveries
› Relativistic tidal response and mode excitation in neutron-star binaries
› Towards a new model of the compact triple system $\lambda$ Tauri I. Improved periods and preliminary elements of the triple system
› Shot noise, aperture and resolution in Fourier measurements of disc lopsidedness: TNG50-1 and TNG100-1 analysed with TNGGalaxyLab
› DustER: Dust Extinction with Photometric Red Galaxies
› SHINE: Shear inference environment - Generative forward modelling for radio weak gravitational lensing
› An Archival Search for Outer Solar System Objects in the NOIRLab Source Catalog DR2: 65 Candidates, Including Four L4 Neptune Trojans
› Tracing the Epoch of Reionization through extreme emission line galaxies around Cosmic Noon
› Constraining electron heat flux from reduced measurements
› Leveraging Lensing-driven Early Warnings: Joint Detectability of lensed Gravitational Waves and their LSST Optical Counterparts
› New Constraints on the Ultrahigh Energy Neutrino Flux from the First Array-Wide Search with the Askaryan Radio Array
› Analysis Methodology of the Search for Ultrahigh Energy Neutrinos in 10.6 Years of Askaryan Radio Array Data
› Spectral Constraints on Line-Seed Inverse-Compton Models for the MeV Feature in GRB 221009A
› A Statistical Analysis of Lopsidedness in Disk Galaxies
› Dwarf galaxy simulations with stellar-core mass- and metallicity-dependent core-collapse supernova explosion energies
› Nucleation of water ice under weak ionization via clustering on negative ions
› Revisiting the centrifugal breakout scaling relationship for H$\alpha$ emission in light of $\rho$ Oph C, the coolest B-type star with an H$\alpha$-bright centrifugal magnetosphere
› Connecting field-level and n-point function measurements of galaxy bias
› r-Process Abundance Variations in Globular Clusters as Fossils of Turbulent Mixing
› Learning a model of non-stationary nuisances with non-local correlations for object detection
› Adaptive Quantum Metrology of Gravitational Waves
› EoSAlign: An Open-Source Software for Calculating, Comparing, and Aligning Pressure Under Extreme Conditions
› Leveraging Large Language Models to Predict Atomic Oxygen Erosion of Polymers in Low Earth Orbit
› Trace element distribution in coarse-grained Ca-Al-rich inclusions by femtosecond LA-ICP-MS: Implications for U-Pb chronology
› First results from a borehole network for the seismic characterization of the Einstein Telescope Euregio Meuse-Rhine candidate site
› Thermal damping of spectator scalar dark matter: Relaxing the overclosure and isocurvature bounds
› First constraints on axion-like particles with SPHEREx data
› Galaxy clusters as cosmic lenses for high frequency gravitational-waves
› Depletion of Dark Matter Spikes by Massive Black Hole Mergers
› Eccentricity greatly enhances the detectability of line-of-sight acceleration in gravitational wave signals
› Helicity Decay to Baryons: The Cosmological Evolution of $L_\mu-L_\tau$ Gauge Fields and Baryogenesis
› Active learning at a graduate summer school: feasibility, student response, and the role of instructor training
› Self-interacting dark matter and neutrino masses from MeV-scale lepton-number breaking
› Toward Pseudorange-Based PNT with Starlink: A Mock Fused LEO GNSS Implementation
› Ultra-Heavy Dark Matter Through Exponential Production Mechanism
› Renormalized dynamical tidal response of neutron stars in binary dynamics
› Response of Circular Binaries to Monochromatic Gravitational Waves
› Search Method for Continuous Gravitational Waves from Rotating Neutron Stars in Highly Eccentric Wide Orbits
› Images of Regular Black Holes with Hedgehog Scalar Hair Embedded in Radiatively Inefficient Accretion Flows
› Perturbative QCD Constraints on Hot Neutron-Star Matter
› Validation of the DESI DR2 Ly$\alpha$ BAO analysis using synthetic datasets
› Interpretation of fast radio bursts from CHIME/FRB baseband data
› Science Prospects for the Southern Wide-field Gamma-ray Observatory: SWGO
› The Entangling of Supernova Feedback Impacts with Coarsening Simulation Resolution
› Measuring the Evolution of Bulge, Disk and Colour Gradients in HST Observations of Galaxies with 3D Modelling
› Conformal Holographic Dark Energy and the Neutrino-Mass Tension
› Modeling Globular Cluster Stellar Streams with a Basis-Expansion N-body Code
› Enhanced Multiphase Circumgalactic Medium and Gas Cycling in Galaxy Mergers
› Low-mass failed supernovae and the $10\,M_{\odot}$ peak in the merging black hole mass distribution
› The General Antiparticle Spectrometer (GAPS) Antarctic Balloon Payload
› Quiescent fractions in high-redshift galaxy groups reflect their hot-or-cold state of gas accretion
› Vacuum polarization and cyclotron resonance effects on radiative transfer and plasma deceleration in subcritical X-ray pulsars
› Beyond Self-Similarity: Reconciling X-Ray Scaling Relations in Galaxy Clusters and Groups
› Compressed Gaussian likelihood for the Planck low-$\ell$ data
› Calibration of CMB Polarisation Using Cross-Experiment Correlations
› Impact of lensing magnification on the power spectrum turnover
› Carruthers Data Processing Pipeline: Instrument Effect Correction
› Heavy-element dust as an explanation for the late-time kilonova spectra
› Gamma-Ray Modes in a Transitional Pulsar
› Cosmological evolution with decaying dark matter: an integral-equation approach
› Is the Quiet-Sun Heating Requirement Observationally Established?
› Environmental dependence of galaxy properties in the DESI DR1 Bright Galaxy Survey: Star formation, morphology, and AGN activity at z < 0.55
› One year of broadband radio monitoring of the enigmatic transient GRB 250702B reveals the evolution of the relativistic jet
› The fraction of periodic SN Ib/c light curves
› The Cosmic Ultraviolet Background at the Galactic Poles
› Constraining Baryonic Feedback at $z\sim 1$ with the H$\alpha$ Luminosity Function
› Implementation of a five-wave approximate Riemann solver for general relativistic magnetohydrodynamics in AthenaK
› The size and mass distribution of cold classical TNOs for $5
› Breaking the AGB Color Degeneracy with Variability and H$_2$O: A Consistent Picture of AGB Chemistry, Dust, and the J-Region Across Environments
› ACORN I. Massive Black Hole Seeding and Tidal Disruption Events from Star Clusters in Cosmological Simulations
› Tight asteroseismic upper limits on hot subdwarf magnetism
› Nuclear Millimeter Continuum Emission in Radio-Quiet Active Galactic Nuclei: an ALMA Spectral and Variability Study
› Cosmological constraints on single-field inflation models from ACT/SPT data and observations at sub-Mpc scales
› A self-supervised machine learning approach to identify instrumental systematics in 21cm Cosmology
› Identifying narrow-band mutual coupling resonances in SKA-low stations using frequency-independent current basis functions
› Slowly rotating white dwarfs in f (R, T ) = R + 2{\lambda}T gravity: structure and stationary tidal response
› Molecular gas in the disks and tails of ram pressure stripped Coma galaxies
› SS 433 Eastern Jet Turbulence Revealed by Spatially-Resolved IXPE Data Analysis
› Short-term optical monitoring of quadruply imaged quasars
› Season by season causal analysis of the continuum and velocity-resolved H$\beta$ emission of NGC 5548
› Kinematic Signatures of Stellar Flybys in Protoplanetary Discs
› The Edge of the Warm Corona in Active Galactic Nuclei
› The Brown Dwarf Desert is a Mass-Ratio Desert: Astrometric Demographics of 63,254 Stars
› Investigating production of TeV-scale muons in extensive air shower at 2400 m underground
› Gravitational open effective field theory of inflation
› Pair Space Analysis of Some Four-Body Central Configurations
› Impact on Inferred Neutron Star Equation of State due to Nonlinear Hydrodynamics, Background Spin, and Relativity
› Weinberg Angle, Neutron Abundance in BBN, and Lifetime
› Probing soft signals of gravitational-wave memory with space-based interferometers
› Are neutrinos Majorana? Fixed-target and high-energy astrophysical searches decide
› Multi-peaked high-frequency gravitational waves from PBH-assisted leptogenesis
› Long-term 3+1 simulations of primordial black hole formation during radiation domination
› Magnetic field-induced enhancement and quenching of Urca emission in quark matter
› Cosmological Constrained Axion-Portal Inelastic Dark Matter for the LZ Event
› Constraints on Complex Electroweak WIMPs from Solar Capture
› Two-Fluid Radial Stability of Dark-Matter-Admixed Compact Objects: Dark Compact Planets, Dark White Dwarfs, Dark Neutron Stars, and Dark Oysters

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