Machine learning classification of CHIME fast radio bursts–I. Supervised methods

JW Luo, JM Zhu-Ge, B Zhang - Monthly Notices of the Royal …, 2023 - academic.oup.com
Observationally, the mysterious fast radio bursts (FRBs) are classified as repeating ones and
apparently non-repeating ones. While repeating FRBs cannot be classified into the non …

Machine learning classification of CHIME fast radio bursts–II. Unsupervised methods

JM Zhu-Ge, JW Luo, B Zhang - Monthly Notices of the Royal …, 2023 - academic.oup.com
Fast radio bursts (FRBs) are one of the most mysterious astronomical transients.
Observationally, they can be classified into repeaters and apparent non-repeaters. However …

One-off and Repeating Fast Radio Bursts: A Statistical Analysis

HY Chen, WM Gu, M Sun, T Yi - The Astrophysical Journal, 2022 - iopscience.iop.org
According to the number of detected bursts, fast radio bursts (FRBs) can be classified into
two categories, ie, one-off FRBs and repeating ones. We make a statistical comparison of …

Reclassifying Swift Gamma-Ray Bursts with Diverse Duration Distributions

Q Deng, ZB Zhang, XJ Li, HY Chang… - The Astrophysical …, 2022 - iopscience.iop.org
We select the largest sample of Swift gamma-ray bursts (GRBs) so far to reexamine the
classification in terms of time duration, hardness ratio, and physical collapse model. To …

The Statistical Similarity of Repeating and Non-Repeating Fast Radio Bursts

K Zhang, L Li, Z Zhang, Q Li, J Luo, M Jiang - Universe, 2022 - mdpi.com
In this paper, we present a sample of 21 repeating fast radio bursts (FRBs) detected by
different radio instruments before September 2021. Using the Anderson–Darling test, we …

Temporal Scattering, Depolarization, and Persistent Radio Emission from Magnetized Inhomogeneous Environments near Repeating Fast Radio Burst Sources

YP Yang, W Lu, Y Feng, B Zhang… - The Astrophysical Journal …, 2022 - iopscience.iop.org
Some repeating fast radio burst (FRB) sources exhibit complex polarization behaviors,
including frequency-dependent depolarization, variation of rotation measure (RM), and …

Confining Burst Energy Function and Spectral Fringe Pattern of FRB 20121102A with Multifrequency Observations

F Lyu, JG Cheng, EW Liang, CM Deng… - The Astrophysical …, 2022 - iopscience.iop.org
The observed spectral shapes variation and tentative bimodal burst energy distribution (E-
distribution) of fast radio burst (FRB) 20121102A with the FAST telescope are great puzzles …

A Toy Model for the Time–Frequency Structure of Fast Radio Bursts: Implications for the CHIME/FRB Burst Dichotomy

BD Metzger, N Sridhar, B Margalit… - The Astrophysical …, 2022 - iopscience.iop.org
We introduce a toy model for the time–frequency structure of fast radio bursts, in which the
observed emission is produced as a narrowly peaked intrinsic spectral energy distribution …

A possible subclassification of fast radio bursts

HY Guo, H Wei - Journal of Cosmology and Astroparticle Physics, 2022 - iopscience.iop.org
Although fast radio bursts (FRBs) have been an active field in astronomy and cosmology,
their origin is still unknown to date. One of the interesting topics is the classification of FRBs …

Machine learning classification of repeating FRBs from FRB 121102

BJR Raquel, T Hashimoto, T Goto… - Monthly Notices of …, 2023 - academic.oup.com
Fast radio bursts (FRBs) are mysterious bursts in the millisecond time-scale at radio
wavelengths. Currently, there is little understanding about the classification of repeating …