REVIEW 4 cited by
Fast Radio Bursts as probes of the late-time universe: a new insight on the Hubble tension
Not yet reviewed by Pith; the record is open.
This paper has not been read by Pith yet. Machine review is queued; the pith claim, tier, and objections will appear here once it completes.
SPECIMEN: schema-true, not a live event
T0 review · schema-true
One-sentence machine reading of the paper's core claim.
pith:XXXXXXXX · record.json · timestamp
Signed reviews
abstract
Fast Radio Bursts (FRBs) are bright radio transient events, a subset of which have been localized to their host galaxies. Their high dispersion measures offer valuable insights into the ionized plasma along their line of sight, enabling them to serve as probes of cosmological parameters. One of the major challenges in contemporary cosmology is the Hubble tension -- an unresolved discrepancy between two independent methods of determining the Universe's expansion rate, yielding differing values for the Hubble constant. In this study, we analyze a sample of 64 extragalactic, localized FRBs observed by various telescopes, employing Bayesian analysis with distinct likelihood functions. Our findings suggest that FRBs serve as tracers of the Hubble constant in the late-time Universe. Notably, our results exhibit smaller error bars compared to previous studies, and the derived Hubble constant with 1$\sigma$ error bars no longer overlap with those obtained from early-Universe measurements. These results underscore the continuing tension between early- and late-time measurements of the Hubble constant.
Forward citations
Cited by 4 Pith papers
-
Refined Constraints on the Hubble Constant from Localized FRBs with Assessment of Systematic Effects
A 95-FRB analysis gives H0 = 71.28 +1.90/-2.08 km/s/Mpc under fixed modeling assumptions, while alternative choices shift the result by up to several sigma.
-
Calibrating $\rm{DM_{IGM}}-z$ relation using host galaxies of FRBs
A claimed tight sSFR-DM_exc correlation is used to calibrate the DM_IGM-z relation, but the improvement is evaluated on the same data used to fit the model.
-
Constraining the Baryon Fraction in Extragalactic Diffuse Ionized Gas with 124 Localized Fast Radio Bursts
Analyzing 92 localized FRBs with a Jacobian-corrected IGM dispersion PDF plus CMB, BAO, and supernova data gives f_IGM = 0.864 ± 0.041 (YMW16, ΛCDM); the abstract's '124 bursts, f_d > 90%' headline is not supported by...
-
Probing Primordial Black Holes with upcoming Radio Telescopes: a case study for LOFAR2.0, FAST Core Array and BINGO
LOFAR2.0, FAST Core Array and BINGO can constrain the PBH dark matter fraction f_PBH below 0.16-0.39 for masses above 10^{-2} to 10 solar masses via FRB lensing statistics.
Discussion (0). Continue with ORCID to comment.