Scalarized Kerr-Newman black holes develop an inner photon shell that produces an additional critical curve and distinct crescent-like higher-order images unlike those in Kerr spacetime.
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Two z~6.6 galaxies host overmassive black holes and show remnant ionized bubbles from recent quasar episodes, with BH-to-stellar mass ratios 400-800 times above the local relation.
FRB dispersion measures directly constrain suppression of the matter power spectrum due to feedback at k ~ 0.1-3 h/Mpc, reduce posterior variance by a factor of ~8 at k~1 h/Mpc, and exclude extreme large-scale feedback scenarios at ~2 sigma.
No CMB-consistent CPL dark energy model can simultaneously fit both the BAOtr and DESI datasets; the 3.7-sigma disagreement at z=0.51 sets an irreducible floor.
Bulge Fossil Fragments are estimated to generate 15-250 times more binary black hole mergers than typical globular clusters, marking them as a new class of gravitational wave sources.
Accelerating scaling attractors where DM and barotropic fluid coexist at late times arise only for DM-density-controlled interactions with energy transfer from DM.
Model-independent Gaussian Process reconstruction from CC+DESI+supernova data shows positive entropy production and approach to thermodynamic equilibrium, with dark energy equation of state consistent with a cosmological constant.
Cycle-GANs trained on dust and HI data generate CO maps whose angular power spectra and Minkowski functionals match those of Planck-observed CO lines.
Modeling of Sgr A* shows Faraday conversion dominates circular polarization in radial, parabolic, quadrupole and combined magnetic fields while intrinsic emission dominates in dipole and vertical fields, allowing exclusion of reversed-field models at high inclinations using ALMA observations.
SN peculiar velocities plus Planck CMB data give joint constraints on σ8, γ, and Ωk, with hints of positive curvature (Ωk ≈ -0.01) at 2-3σ and γ values consistent with GR.
New observations show a curved jet from FN Tau likely caused by disk precession, associated with past outbursts.
Population synthesis of pulsar-massive star binaries yields an estimate for the number of observable VHE gamma-ray sources in the Galaxy, incorporating anisotropic wind-interaction zones.
A review summarizing machine learning methods for multi-messenger probes of dark matter and new physics, with a proposed plan for future integrated analyses.
Intermediate-mass black holes acting as permanent matter sinks, combined with updated cosmic star formation rates and primordial baryon accretion, reduce the overpredicted CNO abundances from Population III stars to match observations in z~3-6 quasar absorption systems.
Analysis of an unidentified Fermi gamma-ray source shows inconclusive results with a mild spectral preference for dark matter annihilation over a pulsar origin.
DES BAO and supernova data combined with CMB favor evolving dark energy at about 3 sigma, challenging the cosmological constant model.
A review of gravitational lensing of astrophysical gravitational waves, outlining theory in geometric and wave optics, identification methods, predicted rates, and applications to dark matter and cosmology.
The disk instability model remains viable for explaining giant planets that form early, at large orbital distances, and around M-dwarf stars, supported by updated simulations and observations.
A review summarizing observational properties, dynamics, and heating implications of transition region loops observed primarily with IRIS, distinct from coronal loops.
citing papers explorer
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Optical Appearance of Scalarized Kerr-Newman Black Holes with Multiple Light Rings
Scalarized Kerr-Newman black holes develop an inner photon shell that produces an additional critical curve and distinct crescent-like higher-order images unlike those in Kerr spacetime.
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Life After the Quasar: Overmassive Black Holes and Remnant Ionised Bubbles in and Around Two z~6.6 Galaxies
Two z~6.6 galaxies host overmassive black holes and show remnant ionized bubbles from recent quasar episodes, with BH-to-stellar mass ratios 400-800 times above the local relation.
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Signatures of Suppressed Matter Clustering revealed by Fast Radio Bursts
FRB dispersion measures directly constrain suppression of the matter power spectrum due to feedback at k ~ 0.1-3 h/Mpc, reduce posterior variance by a factor of ~8 at k~1 h/Mpc, and exclude extreme large-scale feedback scenarios at ~2 sigma.
-
On the origin of the BAOtr-DESI tension
No CMB-consistent CPL dark energy model can simultaneously fit both the BAOtr and DESI datasets; the 3.7-sigma disagreement at z=0.51 sets an irreducible floor.
-
Bulge Fossil Fragments as a new population of factories of gravitational wave sources in the Galaxy
Bulge Fossil Fragments are estimated to generate 15-250 times more binary black hole mergers than typical globular clusters, marking them as a new class of gravitational wave sources.
-
Accelerating scaling solutions from dark matter particle creation
Accelerating scaling attractors where DM and barotropic fluid coexist at late times arise only for DM-density-controlled interactions with energy transfer from DM.
-
Model-independent reconstruction of cosmic thermodynamics and dark energy dynamics
Model-independent Gaussian Process reconstruction from CC+DESI+supernova data shows positive entropy production and approach to thermodynamic equilibrium, with dark energy equation of state consistent with a cosmological constant.
-
Extending Galactic foreground emission with neural networks
Cycle-GANs trained on dust and HI data generate CO maps whose angular power spectra and Minkowski functionals match those of Planck-observed CO lines.
-
Circular polarization images of Sgr A* for different magnetic field geometries
Modeling of Sgr A* shows Faraday conversion dominates circular polarization in radial, parabolic, quadrupole and combined magnetic fields while intrinsic emission dominates in dipole and vertical fields, allowing exclusion of reversed-field models at high inclinations using ALMA observations.
-
Joint Curvature and Growth Rate measurements with Supernova Peculiar Velocities and the CMB
SN peculiar velocities plus Planck CMB data give joint constraints on σ8, γ, and Ωk, with hints of positive curvature (Ωk ≈ -0.01) at 2-3σ and γ values consistent with GR.
-
The curved jet in the young star FN Tau
New observations show a curved jet from FN Tau likely caused by disk precession, associated with past outbursts.
-
How many VHE gamma-ray binaries with young pulsars can be observed?
Population synthesis of pulsar-massive star binaries yields an estimate for the number of observable VHE gamma-ray sources in the Galaxy, incorporating anisotropic wind-interaction zones.
-
Machine Learning for Multi-messenger Probes of New Physics and Cosmology: A Review and Perspective
A review summarizing machine learning methods for multi-messenger probes of dark matter and new physics, with a proposed plan for future integrated analyses.
-
On the relative CNO underabundance in quasar absorption systems at $z \sim 3$ arising from Population III enrichment and attenuation by intermediate-mass black holes and primordial baryon accretion
Intermediate-mass black holes acting as permanent matter sinks, combined with updated cosmic star formation rates and primordial baryon accretion, reduce the overpredicted CNO abundances from Population III stars to match observations in z~3-6 quasar absorption systems.
-
Deeper analysis of Fermi-LAT unassociated 4FGL J2112.5-3043 for possible identification
Analysis of an unidentified Fermi gamma-ray source shows inconclusive results with a mild spectral preference for dark matter annihilation over a pulsar origin.
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Challenges to the cosmological constant model following results from the Dark Energy Survey
DES BAO and supernova data combined with CMB favor evolving dark energy at about 3 sigma, challenging the cosmological constant model.
-
Gravitational Lensing of Gravitational Waves from Astrophysical Sources: Theory, Detection, and Applications
A review of gravitational lensing of astrophysical gravitational waves, outlining theory in geometric and wave optics, identification methods, predicted rates, and applications to dark matter and cosmology.
-
Giant Planet Formation by Disk Instability
The disk instability model remains viable for explaining giant planets that form early, at large orbital distances, and around M-dwarf stars, supported by updated simulations and observations.
-
Magnetic loops in the solar transition region
A review summarizing observational properties, dynamics, and heating implications of transition region loops observed primarily with IRIS, distinct from coronal loops.
- Gravitational-wave constraints on the pair-instability mass gap and nuclear burning in massive stars