A differential DM method using same-sky localized FRBs removes Milky Way contributions without Galactic models and produces a different constraint on Γ ≡ Ω_b H_0 f_d from current data compared to conventional approaches.
M., Bhardwaj, M., Gaensler, B
9 Pith papers cite this work. Polarity classification is still indexing.
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Forecasts ~thousands of FRB-QSO pairs at <10' separation by 2035 for CGM, cosmic web, and Milky Way halo studies with HST/COS.
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.
FRB dispersion measures reveal a large-scale excess of ionized gas in the northern sky spatially aligned with the Ursa Major supercluster.
CHIME/FRB has now cataloged 80 repeating FRB sources whose burst rates and upper limits are consistent with a power-law distribution implying 50-100% of all FRBs repeat.
CASM-256 is a new 256-antenna radio array at Owens Valley that uses real-time digital beamforming to search for fast radio bursts and galactic transients over a huge sky area.
NE2025 refits the thick disk, thin disk, and spiral arms of the NE2001 model and adds refined clumps, delivering 20 times better median pulsar distance accuracy and 100 percent better scattering predictions than NE2001.
FRBs serve as cosmological probes via dispersion measure, scattering, and Faraday rotation to constrain baryon distribution, expansion history, magnetic fields, and fundamental physics effects.
A reported periodic fast radio burst is reclassified as Galactic pulsar emission due to CHIME calibration and beam-pointing error.
citing papers explorer
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Estimating Cosmological Parameters from Localized Fast Radio Bursts: A Method for Removing Milky Way Dispersion-Measure Contributions
A differential DM method using same-sky localized FRBs removes Milky Way contributions without Galactic models and produces a different constraint on Γ ≡ Ω_b H_0 f_d from current data compared to conventional approaches.
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A Decade to Map the Diffuse Universe: FRB-QSO Pairs with HST/COS Spectroscopy
Forecasts ~thousands of FRB-QSO pairs at <10' separation by 2035 for CGM, cosmic web, and Milky Way halo studies with HST/COS.
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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.
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Great Walls of Cosmic Baryons in the Northern Sky
FRB dispersion measures reveal a large-scale excess of ionized gas in the northern sky spatially aligned with the Ursa Major supercluster.
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Discovery of 30 Repeating Fast Radio Burst Sources and Uniform Population Statistics of 80 Repeating Sources from CHIME/FRB
CHIME/FRB has now cataloged 80 repeating FRB sources whose burst rates and upper limits are consistent with a power-law distribution implying 50-100% of all FRBs repeat.
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The 256-antenna Coherent All-Sky Monitor
CASM-256 is a new 256-antenna radio array at Owens Valley that uses real-time digital beamforming to search for fast radio bursts and galactic transients over a huge sky area.
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Fast Radio Bursts as Cosmological Probes
FRBs serve as cosmological probes via dispersion measure, scattering, and Faraday rotation to constrain baryon distribution, expansion history, magnetic fields, and fundamental physics effects.