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Fast Radio Bursts (FRBs) are extremely energetic pulses of millisecond duration and unknown origin. In order to understand the phenomenon that emits these pulses, targeted and untargeted searches have been performed for multi-wavelength…

We propose that fast radio bursts (FRBs) can be used as the probes to constrain the possible anisotropic distribution of baryon matter in the Universe. Monte Carlo simulations show that, 400 (800) FRBs are enough to detect the anisotropy at…

Cosmology and Nongalactic Astrophysics · Physics 2021-11-29 Hai-Nan Lin , Yu Sang

Fast radio bursts (FRBs) are mysterious millisecond-duration radio transients of extragalactic origin. Some of them repeat, while others apparently do not. Investigations of periodic activity in repeating FRB have been conducted to probe…

Understanding the origin of fast radio bursts (FRB's) is a central unsolved problem in astrophysics that is severely hampered by their poorly determined distance scale. Determining the redshift distribution of FRB's appears to require…

Cosmology and Nongalactic Astrophysics · Physics 2020-07-22 Masoud Rafiei-Ravandi , Kendrick M. Smith , Kiyoshi W. Masui

The excessive dispersion measure (DM) of fast radio bursts (FRBs) has been proposed to be a powerful tool to study intergalactic medium (IGM) and to perform cosmography. One issue is that the fraction of baryons in the IGM, $f_{\rm IGM}$,…

Cosmology and Nongalactic Astrophysics · Physics 2019-05-29 Zhengxiang Li , He Gao , Jun-Jie Wei , Yuan-Pei Yang , Bing Zhang , Zong-Hong Zhu

We compile a complete collection of reliable Hubble parameter $H(z)$ data to redshift $z \leq 2.36$ and use them with the Gaussian Process method to determine continuous $H(z)$ functions for various data subsets. From these continuous…

Cosmology and Nongalactic Astrophysics · Physics 2018-04-04 Hai Yu , Bharat Ratra , Fa-Yin Wang

One of the key limitations of large-scale structure surveys of the current and future generation, such as Euclid, LSST-Rubin or Roman, is the influence of feedback processes on the distribution of matter in the Universe. This effect, called…

Cosmology and Nongalactic Astrophysics · Physics 2026-03-24 Robert Reischke , Dennis Neumann , Klara Antonia Bertmann , Steffen Hagstotz , Hendrik Hildebrandt

High redshift Fast Radio Bursts (FRBs) are expected to be extremely powerful probes of our Universe. However, while a significant number of FRBs are expected to exist at high redshift, detecting them has been difficult, with only a handful…

High Energy Astrophysical Phenomena · Physics 2026-04-07 Mawson W Sammons , Evan Davies-Velie , Matt Dobbs , Zarif Kader , Seth R. Siegel , Jonathan Sievers

Although fast radio bursts (FRBs) were discovered more than a decade ago, and they have been one of the active fields in astronomy and cosmology, their origins are still unknown. An interesting topic closely related to the origins of FRBs…

High Energy Astrophysical Phenomena · Physics 2025-08-12 Lin-Yu Li , Jing-Yi Jia , Da-Chun Qiang , Hao Wei

For future surveys of fast radio bursts (FRBs), we clarify information available from cosmic dispersion measures (DMs) through cross-correlation analyses of foreground dark matter haloes (hosting galaxies and galaxy clusters) with their…

Cosmology and Nongalactic Astrophysics · Physics 2022-03-02 Masato Shirasaki , Ryuichi Takahashi , Ken Osato , Kunihito Ioka

Context: Fast Radio Bursts are transient radio pulses from presumably compact stellar sources of extragalactic origin. With new telescopes detecting multiple events per day, statistical methods are required in order to interpret…

Cosmology and Nongalactic Astrophysics · Physics 2021-01-20 Stefan Hackstein , Marcus Brüggen , Franco Vazza , Luiz F. S. Rodrigues

Recent studies of fast radio bursts (FRBs) have led to many theories associating them with young neutron stars. If this is the case, then the presence of supernova ejecta and stellar winds provide a changing dispersion measure (DM) and…

High Energy Astrophysical Phenomena · Physics 2018-08-01 Anthony L. Piro , B. M. Gaensler

We analyze the positional and morphological properties of about 3600 unique fast radio burst (FRB) sources reported in the second FRB catalog generated by the Canadian Hydrogen Intensity Mapping Experiment (CHIME) telescope. We find a…

Fast Radio Bursts (FRBs) are highly energetic, extremely short-lived bursts of radio flashes. Despite extensive research, the exact cause of these outbursts remains speculative. The high luminosity, short duration, and high dispersion…

High Energy Astrophysical Phenomena · Physics 2025-08-26 F. Aharonian , A. Archaryya , J. Aschersleben , H. Ashkar , M. Backes , V. Barbosa. Martins , R. Batzofin , Y. Becherini , D. Berge , K. Bernlöhr , M. Böttcher , C. Boisson , J. Bolmont , M. de. Bony. de. Lavergne , J. Borowska , F. Bradascio , R. Brose , A. Brown , F. Brun , B. Bruno , C. Burger-Scheidlin , S. Casanova , J. Celic , M. Cerruti , T. Chand , S. Chandra , A. Chen , J. Chibueze , O. Chibueze , J. Damascene. Mbarubucyeye , J. de. Assis. Scarpin , A. Djannati-Ataï , J. Djuvsland , A. Dmytriiev , K. Egberts , S. Einecke , J. -P. Ernenwein , C. Escañuela. Nieves , M. Filipovic , G. Fontaine , S. Funk , S. Gabici , J. F. Glicenstein , J. Glombitza , G. Grolleron , B. Heß , W. Hofmann , T. L. Holch , M. Holler , D. Horns , Zhiqiu. Huang , A. Jaitly , M. Jamrozy , F. Jankowsky , I. Jung-Richardt , E. Kasai , K. Katarzyński , D. Kerszberg , R. Khatoon , B. Khélifi , W. Kluźniak , Nu. Komin , K. Kosack , D. Kostunin , A. Kundu , R. G. Lang , S. Le. Stum , A. Lemière , M. Lemoine-Goumard , J. -P. Lenain , A. Luashvili , J. Mackey , D. Malyshev , V. Marandon , R. Marx , A. Mehta , M. Meyer , A. Mitchell , R. Moderski , M. O. Moghadam , E. Moulin , M. de. Naurois , J. Niemiec , P. O'Brien , L. Olivera-Nieto , E. de. Ona. Wilhelmi , M. Ostrowski , S. Panny , M. Panter , R. D. Parsons , U. Pensec , S. Pita , G. Pühlhofer , M. Punch , A. Quirrenbach , S. Ravikularaman , M. Regeard , O. Reimer , H. Ren , B. Reville , F. Rieger , G. Rowell , B. Rudak , K. Sabri , V. Sahakian , H. Salzmann , A. Santangelo , M. Sasaki , J. Schäfer , F. Schüssler , H. M. Schutte , J. N. S. Shapopi , A. Sharma , S. Spencer , Ł. Stawarz , R. Steenkamp , S. Steinmassl , C. Steppa , T. Takahashi , T. Tanaka , M. Tsirou , C. van. Eldik , M. Vecchi , C. Venter , T. Wach , S. J. Wagner , A. Wierzcholska , A. A. Zdziarski , A. Zech , N. Żywucka

The dispersion of fast radio bursts (FRBs) measures the column density of free electrons, tracing the diffuse ionized gas that contains more than $90\%$ of all baryons. On linear scales the FRB dispersion field is an approximately unbiased…

Cosmology and Nongalactic Astrophysics · Physics 2026-04-29 Shion Andrew , Haochen Wang , Kiyoshi Masui , Josh Borrow , Calvin Leung , Ryan Raikman , Matthieu Schaller , Joop Schaye , James M. Sullivan

We collect 133 Fast Radio Bursts (FRBs), including 110 non-repeating and 23 repeating ones, and systematically investigate their observational properties. To check the frequency dependence of FRB classifications, we define our samples with…

High Energy Astrophysical Phenomena · Physics 2022-01-05 X. J. Li , X. F. Dong , Z. B. Zhang , D. Li

Fast radio bursts (FRBs) are astrophysical transients of still debated origin. So far several hundred events have been detected, mostly at extragalactic distances, and this number is expected to grow significantly over the next years. The…

Cosmology and Nongalactic Astrophysics · Physics 2022-03-30 Robert Reischke , Steffen Hagstotz , Robert Lilow

Fast radio bursts (FRBs) probe the total column density of free electrons in the intergalactic medium (IGM) along the path of propagation though the dispersion measures (DMs) which depend on the baryon mass fraction in the IGM, i.e.,…

Cosmology and Nongalactic Astrophysics · Physics 2021-04-20 Ji-Ping Dai , Jun-Qing Xia

A nonzero-mass hypothesis for the photon can produces a frequency-dependent dispersion of light, which results in arrival-time differences of photons with different frequencies originating from a given transient source. Extragalactic fast…

High Energy Astrophysical Phenomena · Physics 2021-01-13 Jun-Jie Wei , Xue-Feng Wu

FRB 20220610A is a high-redshift Fast Radio Burst (FRB) that has not been observed to repeat. Here, we present rest-frame UV and optical $\textit{Hubble Space Telescope}$ observations of the field of FRB 20220610A. The imaging reveals seven…

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