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Astronomia w Krakowie
Photo: view from south-east
view from south-east
Cloud conditions

Cloud

Rain conditions

Rainfall

Allsky

S Sky

Temperature
12.6 °C

Humidity
 85%

Wind
11.3 km/h

Pressure
1004.4 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
› 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:

› Extreme Stellar Death and Galaxy Feedback at z = 2: A Rest-frame Ultraviolet Characterization of the Strongly Lensed Superluminous Supernova 2025wny
› KDG 162: A Nearby Isolated Star-forming Dwarf Galaxy
› Modeling the nanohertz gravitational wave background with the t-process: Improved frequentist analysis of gravitational-wave power
› Full-Shape Analysis of the Redshift-Space Galaxy Trispectrum in the EFTofLSS
› Debye cooling of ultramassive white dwarfs
› A Newly Identified Transient Ultraluminous X-ray Source in M31
› The BUFFALO Survey : The Subhalo Mass Function for Abell 2744 with Strong+Weak Gravitational Lensing
› PEARLS: NuSTAR and XMM-Newton Extragalactic Survey of the JWST North Ecliptic Pole Time-Domain Field V: Unraveling X-ray Spectral Variability
› Searching for hot water world candidates with CHEOPS: II. A low-density super-Earth orbiting the K dwarf TOI-2211
› Re-calibrated analytic stellar evolution formulae for the main sequence: Extension to massive stars and variations in $[\alpha/\mathrm{Fe}]$
› Early onset of the hot circumgalactic medium around Milky Way galaxies
› Predictions for Short Gamma-Ray Burst Detections by COSI
› Measuring the Clustering of tSZ-Selected Galaxy Clusters with SPT-3G
› Turbulent viscosity in line-driven stellar winds
› Can LISA See Inside the Little Red Dots?
› CHemical Evolution in MassIve star-forming COres (CHEMICO). II. Molecular ions, electron fraction, and cosmic-ray ionisation rate
› A method for multimodal analysis of TAIGA experiment data using essential features
› Euclid Quick Data Release (Q1). Exploring the complexity of quenching processes across time, environment, and mass through recently quenched galaxies
› (Monty Python and the) HoliGRALE: A Hybrid GRALE Lens Inversion Methodology Diagnostically Evaluated with Synthetic and Real Data
› Assessment of sky brightness in central Portugal: the Dark Sky destination "Aldeias do Xisto" case study
› Polarimetric Behaviour of (3200) Phaethon: New Observations with Implications for Surface Heterogeneity
› Detection of escaping magnesium in the upper atmosphere of WASP-76b
› The Impact of Galaxy Catalogue Completeness with GLADE+ on Dark Siren Cosmology: A Line-of-Sight Prior Analysis of GWTC-3 Events
› Effects of Magnetic Fields on Solar Inertial Modes in Global Nonlinear Simulations
› Constrained Diffusion for Data-Scarce Orbital Monte Carlo in Constellation Tasking
› Scalar Perturbations and Induced Gravitational Waves from First-Order Phase Transitions in Lattice Simulations
› The Fast Transient Foreground Fog of LSST
› The Prompt Emission of Gamma-Ray Bursts from Population III Stars
› Polarised X-ray emission from the accreting millisecond pulsar SAX J1808.4-3658 during an X-ray outburst and a type-I X-ray burst
› Axion effects on hybrid stars: earlier hadron-quark phase transition and larger quark-matter cores
› Complex Organic Molecules in Protostars with ALMA Spectral Surveys (COMPASS) V. Tracing cavity walls and shocked knots with nonthermally desorbed CH$_3$OH in BHR71-IRS1
› ASTRAL: A Framework for Optimal Placement and Emulation of Stellar Evolution Models
› Light curve spectral energy distribution fitting of 13 carbon-rich Mira variables stars in the Small Magellanic Cloud
› Evidence for a Similar Physical Origin Between Prompt Emission and X-Ray Flares of Gamma-Ray Bursts
› $r$-Process as Production of Lanthanides from Compact Object Mergers
› SAGE26 Paper I: Modelling the baryon cycle from cosmic dawn to the present day
› A comparison between particle and fluid approaches for streaming instability in global patch simulations
› Remnant-wide mapping of heterogeneous presupernova burning histories in the O-rich ejecta of Cassiopeia A
› LazyTB: Extended LTB-solutions with Multiple Interacting Fluids
› Registering Gaia positions on VLBI images: constraining opacity-driven core shift in B 1038+528 / B 1038+529
› A Novel Approach to Identify Unseen Companions: An In-Depth study of GDR3 220_28
› Gamma-rays from black hole coronae: disentangling the leptonic and hadronic contributions
› A Deep Learning Approach to Improving the Arrival-Direction Accuracy of Gamma-Ray Air-Shower Measurements with the Tibet-III Air-Shower Array
› Cosmic Birefringence from Large Lepton Asymmetry
› Star Formation in the Low Surface Brightness Galaxies: a Comparison with the Outer Regions of Normal Galaxies
› Dynamical pairing in gravitational wave populations
› A Jupiter-like radio aurora in the L3.5 dwarf LSPM J0036+1821
› A faint dust ring beyond the compact disk of Sz 76
› The existence of null points of flow and magnetic fields as prerequisites for the presence of astropauses and their co-location
› The GAPS Programme at TNG. LXXX. Characterisation of the 400 Myr old multi-planet system K2-233
› Astrometric planet search around southern ultracool dwarfs: V. Discovery of the exoplanet candidate PALTA-1 b
› On the origin of the short-period Blue Straggler Stars in Collinder 261: a binary evolution approach
› Composition $g$-modes and $f$-modes of neutron stars with gravitationally coupled dark matter: degeneracy with the symmetry energy
› Wave-Growth-Limited Particle Confinement in a Near-Parallel Interplanetary Shock Observed by Parker Solar Probe
› Quasi-periodic eruption spectral-timing: EMRIs crossing warped accretion disks
› MUSE-ALMA Haloes XIV: The ALMA Large Programme Data Release
› MUSE-ALMA Haloes XV: Cold molecular, ionised, and stellar kinematics of HI-rich galaxies at z $\sim$ 0.5
› MUSE-ALMA Haloes XVI: a census of the condensed baryons in z~0.5 HI absorption-selected galaxies
› A Recurrent Infrared Modulation in the Warm Post-impact Debris Disk NGC 2547 ID8
› Effective Neutrino Mass and Apparent Phantom Crossing
› Angular Baryon Acoustic Oscillations with DESI DR1
› IMFIT-MW: Multiwavelength photometric decomposition with IMFIT
› A Gravitationally Lensed Low-Luminosity AGN From The Cosmic Noon
› A relativistic inflow candidate in a quasar at cosmic noon
› Two Low-Mass-Ratio Microlensing Planets from High-Magnification Events: KMT-2021-BLG-0247 and MOA-2023-BLG-169
› ROSE (Red-giant Oscillations Spectra Estimator): A Modular Machine-Learning Framework for Automated Asteroseismic Characterisation. I. $\nu_{\max}$ and $\Delta\nu$ from TESS
› Changing-look Active Galactic Nuclei from the Dark Energy Spectroscopic Instrument. VII. Testing Disk-Corona Diagnostics with eROSITA
› Photometric and Spectroscopic Study of Young Stellar Objects in IC 1848E Region
› A Decade-Scale Ionization Echo of Black-Hole Accretion in Galactic Nuclei
› Deep Learning for Cherenkov Astronomy: Performance of GammaLearn on LST-1
› The NANOGrav 15 yr Dataset: Modified Functional Forms for Profile-Evolution Time Delays in Pulsar Timing Models
› BOLT: Imaging Lightning and Terrestrial Gamma-ray Flashes at the Pierre Auger Observatory
› Widespread steep X-ray spectra of luminous $z\simeq5.85-7.5$ quasars and their implications for future X-ray surveys
› Constraints on Primordial Oscillatory Features from the Power Spectrum and Bispectrum of Redshift-Space Galaxy Clustering in DESI DR1
› Phase transitions, shadows, and microstructure of Reissner-Nordstr\"om-Anti-de-Sitter black holes from a geometrothermodynamic perspective
› A Common $\sim$55 GeV Inelastic Dark Matter Origin of the LZ, Fermi-LAT, and AMS-02 Excesses and Paleo-Detector Prospects
› An early $Z'$ dominance: dark matter, gravitational waves & collider probes
› Convergence of Roberts flow dynamos in Eulerian and Lagrangian codes
› Toward a complete understanding of the properties of GW190521
› Anisotropic Fluid Model for Massive Boson Stars: Spherically Symmetric Configurations
› The contribution of Soviet scientists to the emergence of high-energy neutrino astrophysics: from the Cherenkov effect to underwater and in-ice telescopes
› Phenomenology of axion-meson mixing and scattering processes
› Analytic parity-violating greybody factors of a dynamical Chern-Simons black hole
› Water-rich sub-Neptunes and rocky super Earths around different Stars: Radii shaped by Volatile Partitioning, Formation, and Evolution
› Solar Vortices as Conduits for Magnetoacoustic Waves: Multi-Layer Coupling and Their Role in Atmospheric Heating
› A Unified Charge-Dependent Modulation Model for AMS-02 Proton and Antiproton Fluxes during Solar Minimum
› Detecting the neutrino mass via the cross-correlation between matter tracers and the ISWRS effect?
› Revisiting Ca II Activity Indices in FGK Stars: Systematic Biases in Infrared Triplet Measurements
› Multi-wavelength study of EP250416a / GRB 250416C: An Optically Dark Long GRB with a Late Jet Break
› Cosmic gas accretion from filaments onto galaxy clusters using the IllustrisTNG simulation
› Coverage is not enough: Frequentist tests of simulation-based inference for primordial non-Gaussianity
› Gravitational wave emission from nonspherical collapse in an early matter-dominated era using N-body simulations
› Continuous mass ablation of planets engulfed in stellar envelopes
› Transitions in the Mass-ratio and Spin Properties of Binary Black Holes in GWTC-5
› Fermi-eROSITA cross-correlations suggest annihilation lines of $\sim70$ GeV WIMPs
› A Covariance-Aware Framework for Spatially Resolved Exoplanet Biosignature Inference with the Solar Gravitational Lens
› Investigating the star formation histories of galaxies from Cosmic Dawn to the Epoch of Reionization with the Santa Cruz SAM
› Contribution of White Dwarf Formation Kicks to the Free-Floating Planet Population
› Cold Stream Penetration of Virial Shocks: Fragmentation, Coagulation, and Disruption in the Hot Circumgalactic Medium
› Very Large Telescope observations of interstellar comet 3I/ATLAS III: High-resolution monitoring of CN and forbidden oxygen emission across the perihelion passage with ESPRESSO
› On the Separation Between the Brightest Cluster Galaxy and the Intracluster Light
› Comparing the Near-infrared Spectral Energy Distributions from Different Stellar Population Synthesis Models with SPHEREx Observations
› Shock breakout from mildly relativistic ejecta in a dense wind: the case of EP260321a/SN 2026gzf
› Growth, geometry, and early-universe split of the matter density parameter $\Omega_{\rm m}$
› Eclipses by Artificial Satellites to Measure the Angular Sizes of Stars
› Reconstructing orbits of galaxies in extreme regions (roger v2.0): an extension to intermediate mass systems
› Tidal disruption of stellar binaries as a pathway to exotic transients
› Scatter, bias, and chaos of satellite orbits in triaxial dark matter haloes
› POSEIDON III: The Aligned Orbit of the Hot Neptune Around the Hot Star WASP-195
› An Updated Model for Epsilon Eridani b and Prospects for Imaging with the Roman Coronagraph
› ALMA Chemical Evolution (ACE) survey: The gas fundamental metallicity relation at cosmic noon
› JWST Observations of Starbursts: The motion of dust - PAH kinematics of M82 and NGC 253 with JWST/MIRI spectroscopy
› Unravelling the Nature of AT 2025abao: From Precursor to Final Fate
› BRAHMa: Bar Recognition And Hatching using Machine learning -- a framework for oriented bounding box detection of galactic bars
› Exploring Leptogenesis, WIMP Dark Matter, and Gravitational Waves in an extended Scalar Framework
› Looking for non-gaussianity in Pulsar Timing Arrays through the four point correlator
› Gauge Theoretic Signal Processing I: The Commutative Formalism for Single-Detector Adaptive Whitening
› Cosmological perturbations of TDiff fields
› The decay rate of metastable cosmic strings beyond the thin-string approximation
› A simple solution to the monopole problem: SU(5) GUT with symmetry breaking into special subgroup
› Massive scalar fields in eccentric regime: Detectability and constraints from LISA observations of extreme mass-ratio inspirals
› Quark and hybrid stars with renormalization group improvement of NNLO perturbative QCD

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