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Astronomia w Krakowie
Photo: The Orion Nebula (M42) imaged from Mt. Suhora
The Orion Nebula (M42) imaged from Mt. Suhora
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Temperature
4.9 °C

Humidity
 81%

Wind
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Pressure
1029.3 hPa

Moon

Moon

 News from astronomynow.com
› Happy New Year, Mars! The Red Planet is turning 39
› 3I/ATLAS was born in the deep freeze
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› 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:
› From Early Concepts to Lunar Hypertelescopes Roadmap for Next-Generation Optical Astronomy on the Moon
› From Earth's Harshest Landscapes to Lunar Horizons: Engineering NEA Telescopes for Extreme Environments
› HLA-Net: A Physics-Guided Skeleton-Based Framework for Automatic Gravitational Arc Detection in Astronomical Images
› The PAU Survey: Self-supervised image denoising for flux-preserving photometry
› Brewing another binary in the Teapot: Nandou=Phi Sagittarii
› Characterizing Gravitational Wave Electromagnetic Counterparts with the Schmidt Observatory System
› How sky subtraction scales affect Intracluster light measurements
› CosmoVerse Data Challenge: How Tip of the Red Giant Branch Analysis Choices Shape the Inferred Hubble Constant
› Searching for Signatures of i-process Nucleosynthesis in Metal-Rich, Lead-rich Barium Stars
› Dynamics of self-gravitating halos with decaying dark matter
› CHEX-MATE: Density profile reconstruction in galaxy clusters
› Euclid. Predicting scaling relations for emission-line galaxies using simulated data
› Euclid: Forecasting the number counts of bright line emitters in the Euclid Wide Survey and Euclid Deep fields
› The M87 Black Hole Mass from JWST and Keck Stellar Kinematics Spanning 10 pc to 10 kpc
› A pocket of oxygen in a near-pristine galaxy at z=4.2: chemical inhomogeneity at 10-parsec scales in LAP2
› She Sees Shells by the Stellar Shore: A Kinematic View of NGC 253's Stellar Halo
› ReveaLLAGN 2: Exploring the Nuclear Gas and Stellar Kinematics of Nearby LLAGNs with JWST/NIRSpec IFU
› Gravitational waves flooding the Universe after wall domination
› Fast and accurate false-alarm probabilities for linear detection statistics in Poisson noise
› DESI DR2 Results III: The Mass of the Milky Way
› Mock catalogues for the DESI DR2 Milky Way mass modeling effort
› Constraining the Milky Way Mass profile with data driven distribution function using DESI DR2 halo stars
› A distribution-function estimate of the Milky Way mass profile from outer halo stars in DESI DR2
› On the Detectability of Compact Multi-Planet Systems via Gravitational Microlensing
› Identifying Compact Object Candidates using Gaia DR3 Astrometric Accelerations and Jerks
› Revisiting the Stellar-Dynamical Mass of the Central Black Hole in NGC 3227
› An obstruction to cosmic acceleration from shift-symmetric dark sector interactions
› PrimordialPy: A Python library for single-field inflation, primordial black holes, and scalar-induced gravitational waves
› The impact of Population III stars on the elemental enrichment of ultra-faint galaxies in the FIRE-3 zoom-in simulations
› One gravitational function across matter phases: compatibility and interface constraints in static $f(R,T)$ gravity
› The spatial structure of solar magnetoconvection at scales up to $60$~Mm
› A high-frequency turnover in the persistent radio source of FRB20201124A
› Observational Test of the Maximum-Entropy Conjecture for Black-Hole Mergers with GW250114
› Constraining Ganymede's Interior Structure and Bulk Composition from Its Present-Day Magnetic Field Strength
› The impact of M dwarf stellar convection on exoplanetary atmospheric signatures. A 3D radiation-hydrodynamics simulation analysis for high-resolution spectroscopy
› How fast is the fastest-rotating O-type star in the Galaxy?
› Insights on the mass composition of ultrahigh-energy cosmic rays from small-scale anisotropy with large-scale structure simulations
› Unsupervised Neural Operators for Rotating Relativistic Stars: High-Fidelity Equation of State Inference and Pulsar Spin Evolution at Scale
› A Laplace-Transform Green's Function for Two-Zone Diffusion with Energy Losses: Application to the Geminga Pulsar Halo
› Photometric Study of a Distant SU UMa-type Dwarf Nova KSP-OT-201803a
› Polarimetry with the Giant Magellan Telescope: A Scientific Justification & Technical Requirements Document
› Mock CSST NUV-NIR imaging of TNG50 galaxies with resolved stellar populations
› The kinematic Kelvin-Helmholtz instability-driven dynamo: implications for merging compact objects
› Frequent Optical Flares in an M-type Detached Eclipsing Binary TIC 349005337
› Collective Characterization of Polar Crown Filament Eruptions
› Tiny Quiet-Sun EUV Ejections Revealed by High-resolution Multiwavelength Observations
› Gravitational-Wave Microlensing as a Probe of Compact Object Population
› Longitudinal-field particle acceleration in channels generated by strong electromagnetic waves in pair plasma
› Orbital Architecture of Super-Earth-Cold-Jupiter Systems from Transit Duration Ratios
› Spectroscopic diagnostics of coronal fan loops using EIS/Hinode and AIA/SDO
› Spectroscopy-informed Deep Learning Searches for Photometric Little Red Dots in JWST Surveys
› Aperture-dependent [O III] profile variability: Clues to the nature of double-peaked narrow emission lines
› Pushing the frontiers of low-frequency radio astronomy: An ultra-deep sub-arcsecond LOFAR image of ELAIS-N1
› Evolutionary Map of the Universe (EMU): Selection of active galactic nuclei and star-formation emission with machine-learning techniques
› Orientation of the spin axes of large Kuiper belt bodies as an indicator of the mechanism of their origin
› Optical linear polarization of the Be--X-ray pulsar binary LS V +44 17
› A brief overview of the baryon cycle in galaxies
› A search for sterile neutrinos at ultrahigh energies at the Pierre Auger Observatory
› Euclid: Survey mask effects on clustering of galaxy clusters
› Primordial Black Holes and Induced Gravitational Waves from Inflation with History-Dependent Effective Dissipation
› Horndeski Gravity as an Effective Dark Energy Fluid in Cosmological N-body Simulations
› Quiescent galaxies at cosmic noon: from individual element abundances to star formation histories
› Developing the Field Selector System for the SHARP Multi-IFU: Optomechanical Design and First Prototype Validation
› Understanding galaxies and the origin of the golden mass through the study of scaling relations across cosmic history
› Supermassive black holes and nuclear star clusters in galaxies: constraining formation and co-evolution with SHARP and MICADO
› SHARP: A spectrograph proposal to fully exploit ELT capabilities
› The Environment of High-Energy Transient Host Galaxies at High Redshifts as Observed by SHARP
› Net Cooling Tables for Cosmological Simulations under Multiple UV/X-ray Background Models
› Planting neutrino SE-EdS: A < 3% accurate clustering approximation for neutrinos and other hot dark matter
› AGN Host Galaxies in COSMOS-Web: Linking Structural Evolution and Star Formation Quenching up to $z=5$
› Object-independent evaluation of small-data astronomical image classifiers: architecture, representation, and acquisition shortcuts
› Gaia DR3 Reveals the Kinematics of Young Stellar Objects in the Carina Nebula: Peripheral Expansion and Central Rotation
› Primary and Secondary Star Formation in the Spiral Waves of NGC 628
› The dwarf galaxy NGC 185: the flagship of Andromeda's dwarf galaxies for the study of evolved multiple stellar populations
› Magnetism among the oldest white dwarfs in the solar neighbourhood
› Population synthesis of substellar companions surviving common-envelope evolution
› Living near filaments: How environment shapes age profiles in low-mass galaxies
› APOLLO-Timing: Annealed Phase - Orbit Lattice Linking across Observations for Binary Pulsar Timing
› Investigating the initial conditions of globular clusters via $N$-body simulations: I. half-mass radius and stellar density
› The formation and evolution of Wolf-Rayet stars with temperature-dependent winds
› Euclid Quick Data Release (Q1). Refining the strong lens sample with Space Warps crowd-sourced science
› Adaptive Optics for the Extremely Large Telescope: overcoming Point Spread Function challenges with MORFEO
› Probing Solar-Wind Structure During Crab Pulsar Conjunctions with Dispersion and Faraday Rotation
› Can Magnetic Reconnection Accelerate Energetic Particles in the Heliosheath?
› Energetic Nonthermal Electrons within the Above-the-looptop Regions in Solar Flares: Acceleration, Feedback, and Quasi-Periodic Pulsations
› Migration and eccentricity damping timescales in overstable resonant planetary systems: hydrodynamic and N-body simulations
› Constraining the white-dwarf mass in the intermediate polar IGR J17014-4306 using X-ray and optical spectroscopy
› Cosmological Backreaction and the Separate Universe Conjecture: Dynamical volume partitioning of Newtonian cosmologies
› Magnetic Properties of Galactic Molecular Clouds
› Magnetohydrodynamics During Reheating
› Tracking turbulence for wind-driven halo removal using MagAO-X pyramid wavefront sensor images
› Preparing for the Gaia DR4 Epochalypse: Simulated Epoch Astrometry for Substellar Companion Orbit-Modeling Benchmarks
› ReveaLLAGN 3: Revealing the Infrared Spectral Energy Distributions of Low Luminosity AGN
› Shining LIMelight into the dark: Probing Dark matter - baryon interactions with Line Intensity Mapping
› Estimating LuSEE-Night's Sensitivity to C{\alpha} Radio Recombination Lines
› The Start Time of Ringdown
› The Cosmology of Hawking Axions
› Spacetime Evolution Induced by a Massive Cosmic String in Numerical Relativity
› Inflationary attractors in metric-affine gravity
› Near-Quantum-Limited Readout for the Princeton Axion Search using a sub-GHz Kinetic Inductance Traveling Wave Parametric Amplifier
› Gravitational-Wave Constraints on $R^2$ Gravity
› QUIJOTE scientific results -- XVIII. New constraints on the polarization of the Anomalous Microwave Emission in bright Galactic regions: $\rho$\,Ophiuchi, Perseus and W43
› Hard X-ray/Soft gamma-ray Laue Lenses for High Energy Astrophysics
› Wide Area VISTA Extragalactic Survey (WAVES): Redshift-limited selection of targets for the Wide survey using decision-tree classification
› Euclid: Modelling observational effects in cluster counts and cluster clustering
› A Smooth Transition from Giant Planets to Brown Dwarfs from the Radial Occurrence Distribution
› The Space-Based Time-Domain Revolution in Astrophysics
› Inside the cocoon: a comprehensive explanation of the spectra of Little Red Dots
› Investigating the Circumnuclear Medium of Tidal Disruption Events with Radio Observations
› Axionlike dark-matter winds driven by galactic baryon redistribution
› Accretion-powered flares from black hole-disk collisions in galactic nuclei
› Paschen Jumps in Little Red Dots: Evidence for Nebular Continua
› Einstein-Cartan pseudoscalaron inflation, reheating and nonthermal leptogenesis
› Clumps in a Cocoon: Geometry and Mixing Set the Universal X-ray to H$\alpha$ Surface Brightness Ratio
› MusE GAs FLOw and Wind (MEGAFLOW) XIV: Background-Galaxy Absorption Reveals Kiloparsec-Scale Structure in the Cool Circumgalactic Medium
› IceCube Real-time Searches for High-energy Neutrinos Coincident with LIGO/Virgo/KAGRA Gravitational-Wave Alerts in O4a
› Revisiting the Lyth bound constraints on inflation from ACT DR6 results
› Effect of tidal gravity and planetary rotation on the retrieved atmospheric abundances of close-in exoplanets
› Morpho-kinematic of galaxies at cosmic noon
› SHARP -- A spectrograph proposal to fully exploit ELT capabilities and look beyond JWST
› A new era for Dual AGN science with SHARP
› A SHARP Look at Quenching and Bulge-Disk Growth in Massive Galaxies at Cosmic Noon
› Probing IMF Variations in High-Redshift Early-Type Galaxies with SHARP
› Fast Graph-based Higher-Order Clustering Statistics on the GPU
› Inferring Properties of Rotating Core-Collapse Supernovae with Gravitational-Wave Detector Networks
› A unified modeling of X-ray and gamma-ray spectro-polarimetric data: the case of Cygnus X-1
› Gemini and Apache Point Multi-band Optical Imaging Characterization of Fragmenting Long-period Comet C/2025 K1 (ATLAS)
› Moment-based formulas for the transport coefficients
› Composition gradients in sub-Neptunes: K2-18 b and TOI-270 d as case studies
› Probing the dynamics of extreme galaxies I. Dark matter content in ultra-diffuse galaxies
› Stellar bar occurrence in TNG50 and TNG100: disentangling environmental effects and assembly history at z = 0
› A derived evolution of dark energy from cosmic inhomogeneity confronted with baryon acoustic oscillations and type Ia supernovae
› Correlated Signatures of Plasma Lensing in Fast Radio Bursts
› TOI-6981 b: a transiting sub-Neptune at the water ice line
› An ALMA sub-kiloparsec test of the Kennicutt--Schmidt relation in a strongly lensed dusty star-forming galaxy at $z\sim2.78$
› Boosted Odds: Lower-Point Probes of Parity Violation with Momentum Fields
› Experimental evidence for a physical alteration of fine regolith on near-Sun asteroids
› A breath of fresh air: Oxygen enhancement from silicate sublimation during early protostellar evolution
› Beyond the Disc--Spheroid Dichotomy at $0.6 < z < 8.0$: Evidence for a Morphological Indeterminacy Regime from JWST
› MACE: Multigroup-Multiangle Integrated Thermal Compton Scattering Kernel
› Unveiling the nonthermal environments of NGC 3411 and NGC 5903 through new MeerKAT observations
› Small-Scale Magnetic Fields of Hyades M Dwarfs: Evolution with Age from the Pleiades to Field Stars
› Up in smoke: carbon-destruction in the terrestrial planet-forming region of a young Class I disk
› Missing Outer Rings in the exoALMA Sample: Physical Mechanisms Suppressing Dust Ring Formation Despite Strong Pressure Bumps
› Online learning of subgrid-scale models for quasi-geostrophic turbulence in planetary interiors
› Direction-of-arrival estimation of a gravitational wave by correlations between quadrupole moments of pulsar timing data
› Cosmologically viable non-polynomial quasi-topological gravity: explicit models, $\Lambda$CDM limit and observational constraints
› Accurate waveforms for generic planar-orbit binary black holes: The multipolar effective-one-body model SEOBNRv6EHM
› Tachyonic Encore: A universal shift of inflationary observables
› Primordial Black Holes from Vector-Induced Curvature Perturbations Sourced by Primordial Magnetic Fields
› Stable Ballistic Prograde Cyclers in the Three-Body Problem
› Precision Solar System Dynamics for Ultralight Dark Matter Search
› Gravitational Wave Birefringence in generalized Palatini Chern Simons
› Neutron star cooling with medium-modified Urca rates
› IceCube data for astrophysical neutrinos exhibit q-statistical behavior

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