FRB 20240114A shows a ~112-day periodic modulation in central emission frequency with systematic upward drift within each period at >6σ significance.
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JWST timing observation detects pulsed IR emission from magnetar 4U 0142+61 matching its spin period, with flux 22.9±0.6 μJy and ~10% pulsed fraction lower limit.
IXPE detects 9.9% ± 2.5% 2-8 keV polarization from the Kes 75 PWN in one epoch, implying a toroidal field aligned with the symmetry axis, while the first epoch shows an anomalous pulse at phase 0.5 that suppresses phase-averaged polarization.
3D kinetic simulations of pre-merger binary neutron star magnetospheres predict nonthermal gamma-ray signals at ~16 MeV and fast radio burst-like radio transients from reconnecting current sheets.
IXPE data on magnetar 1E 1547.0-5408 show high linear polarization from a small hot spot whose phase-dependent angle is fit by a rotating vector model, with a marginal energy-dependent dip in polarization degree that may indicate vacuum resonance but does not constitute compelling evidence for biref
3D force-free simulations demonstrate that FRBs excite Alfvén waves leading to nonlinear attenuation within 10-100 magnetar radii in quiescent fields and at larger radii in relativistic outflows.
Strong resonant Compton scattering controlled by magnetic twist and plasma drift can wash out vacuum-resonance 90° PA swings in magnetar soft X-rays and, at high drift, add an extra swing.
Hierarchical Bayesian and ML analysis of magnetar observables finds no statistically significant need for a distinct white-dwarf magnetar population.
Phase-resolved broadband spectropolarimetry of magnetar 1RXS J170849.0-400910 shows evolving pulse profiles, a blackbody plus two power-law spectrum, and polarization up to 64% consistent with magnetospheric pair-synchrotron emission.
A 4200-hour campaign on FRB 20240114A finds that the highest-energy bursts account for most of the observed radio energy release, with a break in the energy distribution at ~2×10^40 erg and a linear DM rise of +0.96 pc cm^{-3} over 318 days.
No measurable radio or X-ray emission changes accompany four glitches in PSR J2229+6114, unlike high-B rotation-powered pulsars that show magnetar-like post-glitch outbursts.
Repeating FRBs show Gaussian-distributed intrinsic PAs with no periodicity, explained by stochastic magnetospheric axis wandering in an extended rotating vector model.
Synchrotron cooling produces an energy-dependent loss cone and a cooled-loss-cone plasma distribution in neutron star outer magnetospheres, with losses localized at a few hundred to a thousand stellar radii.
Six new Galactic radio transients found and classified into two types, proposed to originate from wide-orbit white dwarf binaries.
Compares vacuum Cherenkov radiation produced by Euler-Heisenberg theory in critical and supercritical magnetic fields and contrasts it with synchrotron radiation.
citing papers explorer
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Periodic Emission Frequency Modulation in a Hyperactive Fast Radio Burst
FRB 20240114A shows a ~112-day periodic modulation in central emission frequency with systematic upward drift within each period at >6σ significance.
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Pulsed Infrared Emission from Magnetar 4U 0142+61 Detected by JWST
JWST timing observation detects pulsed IR emission from magnetar 4U 0142+61 matching its spin period, with flux 22.9±0.6 μJy and ~10% pulsed fraction lower limit.
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Kes 75 with IXPE: Detection of Nebular X-ray Polarization and Change in Pulsar Lightcurve
IXPE detects 9.9% ± 2.5% 2-8 keV polarization from the Kes 75 PWN in one epoch, implying a toroidal field aligned with the symmetry axis, while the first epoch shows an anomalous pulse at phase 0.5 that suppresses phase-averaged polarization.
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Electromagnetic Precursors to Binary Neutron Star Mergers: Kinetic Simulations of Magnetospheric Flaring
3D kinetic simulations of pre-merger binary neutron star magnetospheres predict nonthermal gamma-ray signals at ~16 MeV and fast radio burst-like radio transients from reconnecting current sheets.
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The long quest for vacuum birefringence in magnetars: 1E 1547.0-5408 and the elusive smoking gun
IXPE data on magnetar 1E 1547.0-5408 show high linear polarization from a small hot spot whose phase-dependent angle is fit by a rotating vector model, with a marginal energy-dependent dip in polarization degree that may indicate vacuum resonance but does not constitute compelling evidence for biref
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Damping of Fast Radio Bursts in the Inner Magnetospheres of Magnetars
3D force-free simulations demonstrate that FRBs excite Alfvén waves leading to nonlinear attenuation within 10-100 magnetar radii in quiescent fields and at larger radii in relativistic outflows.
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Impact of Resonant Compton Scattering on Magnetar X-Ray Polarization with QED Vacuum Resonance
Strong resonant Compton scattering controlled by magnetic twist and plasma drift can wash out vacuum-resonance 90° PA swings in magnetar soft X-rays and, at high drift, add an extra swing.
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Data-Driven Constraints on Magnetar Population: No Evidence for a Distinct White Dwarf Channel
Hierarchical Bayesian and ML analysis of magnetar observables finds no statistically significant need for a distinct white-dwarf magnetar population.
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Detailed Timing, Spectral, and Polarimetric Analysis of Magnetar 1RXS J170849.0-400910
Phase-resolved broadband spectropolarimetry of magnetar 1RXS J170849.0-400910 shows evolving pulse profiles, a blackbody plus two power-law spectrum, and polarization up to 64% consistent with magnetospheric pair-synchrotron emission.
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A 4200-hour HyperFlash and \'ECLAT campaign on the hyperactive FRB 20240114A: constraining energetics with the most brilliant bursts
A 4200-hour campaign on FRB 20240114A finds that the highest-energy bursts account for most of the observed radio energy release, with a break in the energy distribution at ~2×10^40 erg and a linear DM rise of +0.96 pc cm^{-3} over 318 days.
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No Measurable Changes in Radio and X-ray Emission Surrounding Glitches in the Young Pulsar PSR J2229+6114
No measurable radio or X-ray emission changes accompany four glitches in PSR J2229+6114, unlike high-B rotation-powered pulsars that show magnetar-like post-glitch outbursts.
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Random Polarization Position Angle Behaviors across Bursts of Repeating Fast Radio Bursts
Repeating FRBs show Gaussian-distributed intrinsic PAs with no periodicity, explained by stochastic magnetospheric axis wandering in an extended rotating vector model.
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Synchrotron-cooled plasma distribution in the outer magnetosphere of a neutron star
Synchrotron cooling produces an energy-dependent loss cone and a cooled-loss-cone plasma distribution in neutron star outer magnetospheres, with losses localized at a few hundred to a thousand stellar radii.
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A sample of short-lived Galactic radio transients from ASKAP VAST
Six new Galactic radio transients found and classified into two types, proposed to originate from wide-orbit white dwarf binaries.
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Vacuum Cherenkov radiation in supercritical magnetic fields
Compares vacuum Cherenkov radiation produced by Euler-Heisenberg theory in critical and supercritical magnetic fields and contrasts it with synchrotron radiation.