FRB 20240114A shows a ~112-day periodic modulation in central emission frequency with systematic upward drift within each period at >6σ significance.
, year = 2022, month = sep, volume =
17 Pith papers cite this work. Polarity classification is still indexing.
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Relativistic single-particle scattering cross sections for strong electromagnetic waves in strongly magnetized plasma are computed for arbitrary polarization and angle, showing strong suppression and sub-unity optical depth for quasi-parallel propagation.
Wideband observations of FRB 20240114A detect 97 bursts from 900 MHz to 5 GHz but none higher, showing strongly chromatic and band-limited emission with frequency-dependent rate and sub-burst properties.
SPOTLIGHT is a new real-time multibeam transient search pipeline for uGMRT using 90 A100 GPUs that detected 2870 bursts from 42 sources with sensitivity matching the predicted ~0.2 Jy ms threshold.
A polarization catalog of 6,131 bursts from FRB 20240114A reveals linearly decreasing rotation measure, stable dispersion measure, high linear polarization fractions, low circular polarization, and a broad distribution of intrinsic polarization angles, indicating a dynamically evolving magneto-ionic
Repeating FRBs show Gaussian-distributed intrinsic PAs with no periodicity, explained by stochastic magnetospheric axis wandering in an extended rotating vector model.
Inertial Alfvén waves exert ponderomotive force that redistributes plasma density and suppresses rotation measure, explaining short-term RM substructures in active repeating FRBs.
A search of repeating FRBs identifies RM flare candidates in FRB 20121102A, FRB 20201124A, and FRB 20180916B, suggesting such events may be common and tied to dynamic magneto-ionic environments.
An MCMC-based period search method recovers previously reported candidate periods in FRB 20201124A observations.
Simulations indicate HI absorption in FRB spectra is detectable when scintillation decorrelation bandwidth differs markedly from absorption width, with ≳1000 stacked bursts needed at current sensitivities.
A CPRT formalism is presented as a common platform to link cosmological MHD simulations, theory, and SKA polarized sky data for interpreting magnetic fields across cosmic time.
Population-level statistical test on repeating FRB DM evolution finds decreasing trends more common than increasing (p=0.033), consistent with young SNR expansion reducing local electron density.
CHIME/FRB Catalog data favor a mixture of delayed progenitor channels for apparently nonrepeating FRBs with effective mean delay 1.426 Gyr over pure star-formation-rate tracing.
PATH is extended with three fitted P(m_r|z) prior models combined with P(z|DM), raising host-association confidence for ASKAP FRBs while showing fainter-than-expected host magnitude distribution.
FRB 20220912A shows bimodal burst intervals, a 2.3-sigma DM rise of 1.4 pc cm^{-3} yr^{-1}, no RM trend, and possibly unique local environment compared to other repeaters.
Frabjous applies deep learning to classify FRB morphologies into five classes at 55% accuracy by augmenting limited real data with simulations.
This review summarizes FRB properties and outlines how SKA capabilities will help identify progenitors and enable cosmological applications.
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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Scattering of Strong Radio Waves by Particles in Strongly Magnetized Plasmas and Implications for Fast Radio Bursts
Relativistic single-particle scattering cross sections for strong electromagnetic waves in strongly magnetized plasma are computed for arbitrary polarization and angle, showing strong suppression and sub-unity optical depth for quasi-parallel propagation.
-
High Frequency Wideband Study of FRB 20240114A with the Allen Telescope Array
Wideband observations of FRB 20240114A detect 97 bursts from 900 MHz to 5 GHz but none higher, showing strongly chromatic and band-limited emission with frequency-dependent rate and sub-burst properties.
-
The SPOTLIGHT Multibeam Real-Time Transient Detection System
SPOTLIGHT is a new real-time multibeam transient search pipeline for uGMRT using 90 A100 GPUs that detected 2870 bursts from 42 sources with sensitivity matching the predicted ~0.2 Jy ms threshold.
-
FAST Polarization Catalog of FRB 20240114A
A polarization catalog of 6,131 bursts from FRB 20240114A reveals linearly decreasing rotation measure, stable dispersion measure, high linear polarization fractions, low circular polarization, and a broad distribution of intrinsic polarization angles, indicating a dynamically evolving magneto-ionic
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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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Rotation Measure Substructures Induced by the Ponderomotive Force of Inertial \alfven Waves
Inertial Alfvén waves exert ponderomotive force that redistributes plasma density and suppresses rotation measure, explaining short-term RM substructures in active repeating FRBs.
-
A Search for Rotation Measure Flare Candidates in Repeating Fast Radio Bursts
A search of repeating FRBs identifies RM flare candidates in FRB 20121102A, FRB 20201124A, and FRB 20180916B, suggesting such events may be common and tied to dynamic magneto-ionic environments.
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Revisiting the Reported Period of FRB 20201124A Using MCMC Methods
An MCMC-based period search method recovers previously reported candidate periods in FRB 20201124A observations.
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The Role of Scintillation in Detecting HI Absorption in FRB Spectra
Simulations indicate HI absorption in FRB spectra is detectable when scintillation decorrelation bandwidth differs markedly from absorption width, with ≳1000 stacked bursts needed at current sensitivities.
-
Bridging Theory and Observation in the SKA Era: A Cosmological Polarized Radiative Transfer Framework for Point-to-Point Polarized Sky Comparisons
A CPRT formalism is presented as a common platform to link cosmological MHD simulations, theory, and SKA polarized sky data for interpreting magnetic fields across cosmic time.
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Indication for Decreasing Dispersion Measure in the Population of Repeating Fast Radio Bursts and Connection to Young Supernova Remnant Expansion
Population-level statistical test on repeating FRB DM evolution finds decreasing trends more common than increasing (p=0.033), consistent with young SNR expansion reducing local electron density.
-
A Delayed Multi-channel Progenitor for Apparently Nonrepeating Fast Radio Bursts
CHIME/FRB Catalog data favor a mixture of delayed progenitor channels for apparently nonrepeating FRBs with effective mean delay 1.426 Gyr over pure star-formation-rate tracing.
-
Updating the PATH framework with FRB host galaxy models
PATH is extended with three fitted P(m_r|z) prior models combined with P(z|DM), raising host-association confidence for ASKAP FRBs while showing fainter-than-expected host magnitude distribution.
-
Radio Monitoring Campaign of Active Repeater FRB 20220912A with CHIME
FRB 20220912A shows bimodal burst intervals, a 2.3-sigma DM rise of 1.4 pc cm^{-3} yr^{-1}, no RM trend, and possibly unique local environment compared to other repeaters.
-
Frabjous: Deep Learning Fast Radio Burst Morphologies
Frabjous applies deep learning to classify FRB morphologies into five classes at 55% accuracy by augmenting limited real data with simulations.
-
The Astrophysics of Fast Radio Bursts
This review summarizes FRB properties and outlines how SKA capabilities will help identify progenitors and enable cosmological applications.