Unveiling the spectral morphological division of fast radio bursts with CHIME/FRB Catalog 2

arXiv:2601.16048 · astro-ph.HE, astro-ph.CO, gr-qc, hep-ph, hep-th · Submitted 2026-01-22 · Read on arXiv

astro-ph.HE, astro-ph.CO, gr-qc, hep-ph, hep-th

Submitted: 2026-01-22

Updated: 2026-08-26

Terminology

• Clustering — 19× in this paper · explained in 2 episodes
• Fast Radio Bursts (FRBs) — 3× in this paper · explained in 4 episodes
• SHAP values — 3× in this paper · explained in 2 episodes
• Uniform Manifold Approximation and Projection — 3× in this paper
• Adam — 2× in this paper · explained in 2 episodes
• Robustness — 2× in this paper · explained in 5 episodes
• Consistency — 1× in this paper · explained in 3 episodes
• Interpretability — 1× in this paper · explained in 15 episodes
• Observational Selection Effects — 1× in this paper · explained in 2 episodes
• Perplexity — 1× in this paper · explained in 3 episodes

Sources

• A bright millisecond radio burst of extragalactic origin
• A Population of Fast Radio Bursts at Cosmological Distances
• Fast Radio Burst Discovered in the Arecibo Pulsar ALFA Survey
• The Host Galaxy and Redshift of the Repeating Fast Radio Burst FRB 121102
• The Repeating Fast Radio Burst FRB 121102 as Seen on Milliarcsecond Angular Scales
• A bimodal burst energy distribution of a repeating fast radio burst source
• Multi-wavelength and Multi-messenger Counterparts of Fast Radio Bursts
• A fast radio burst associated with a Galactic magnetar
• A bright millisecond-duration radio burst from a Galactic magnetar
• A census of baryons in the Universe from localized fast radio bursts
• Cosmological parameter estimation for dynamical dark energy models with future fast radio burst observations
• Cosmology with fast radio bursts in the era of SKA
• Combining strongly lensed and unlensed fast radio bursts: To be a more precise late-universe probe
• Cosmic baryon census with fast radio bursts and gravitational waves
• Fast Radio Burst Morphology in the First CHIME/FRB Catalog
• Extremely band-limited repetition from a fast radio burst source
• FAST observations of an extremely active episode of FRB 20201124A: I. Burst morphology
• CHIME/FRB Discovery of 25 Repeating Fast Radio Burst Sources
• Investigating FRB 20240114A with FAST: Morphological Classification and Drifting Rate Measurements in a Burst-Cluster Framework
• The First CHIME/FRB Fast Radio Burst Catalog

Related papers

• Numerical Studies of Accretion Flows onto a Neutron Star Engulfed in a Massive Star
• Collisionless Accretion of Finite-Angular-Momentum Plasma onto a Spinning Black Hole
• Impact of Magnetic Field Topology on Electromagnetic and Gravitational Waves from Binary Neutron Star Merger Remnants
• XRISM Resolve Spectroscopy of GX 5-1: Constraints on Iron Spectral Features in a Luminous Neutron-Star Binary
• SN 1006: A Cosmic Laboratory for Investigating Shock Acceleration Physics
• Neutrino Spectral Pinching in 3D Core-Collapse Supernovae: Late-Time Convergence, Failed-Explosion Signatures, and Viewing-Angle Dispersion