Similar Scale-invariant Behaviors between Soft Gamma-ray Repeaters and An Extreme Epoch from FRB 121102
arXiv:2107.12605 · doi:10.3847/1538-4357/ac2604
Abstract
The recent discovery of a Galactic fast radio burst (FRB) associated with a hard X-ray burst from the soft gamma-ray repeater (SGR) J1935+2154 has established the magnetar origin of at least some FRBs. In this work, we study the statistical properties of soft gamma-/hard X-ray bursts from SGRs 1806--20 and J1935+2154 and of radio bursts from the repeating FRB 121102. For SGRs, we show that the probability density functions for the differences of fluences, fluxes, and durations at different times have fat tails with a -Gaussian form. The values in the -Gaussian distributions are approximately steady and independent of the temporal interval scale adopted, implying a scale-invariant structure of SGRs. These features indicate that SGR bursts may be governed by a self-organizing criticality (SOC) process, confirming previous findings. Very recently, 1652 independent bursts from FRB 121102 have been detected by the Five-hundred-meter Aperture Spherical radio Telescope (FAST). Here we also investigate the scale-invariant structure of FRB 121102 based on the latest observations of FAST, and show that FRB 121102 and SGRs share similar statistical properties. Given the bimodal energy distribution of FRB 121102 bursts, we separately explore the scale-invariant behaviors of low- and high-energy bursts of FRB 121102. We find that the values of low- and high-energy bursts are different, which further strengthens the evidence of the bimodality of the energy distribution. Scale invariance in both the high-energy component of FRB 121102 and SGRs can be well explained within the same physical framework of fractal-diffusive SOC systems.
arXiv comment9 pages, 3 figures, 1 table. Accepted for publication in ApJ
References in corpus (56)
- emcee: The MCMC Hammer
- A bright millisecond radio burst of extragalactic origin
- Magnetars
- A Repeating Fast Radio Burst
- The Five-Hundred-Meter Aperture Spherical Radio Telescope (FAST) Project
- The McGill Magnetar Catalog
- A fast radio burst associated with a Galactic magnetar
- A bright millisecond-duration radio burst from a Galactic magnetar
- Fast Radio Bursts
- Gamma-Ray Observations of a Giant Flare from The Magnetar SGR 1806-20
- Fast Radio Bursts: An Extragalactic Enigma
- A giant, periodic flare from the soft gamma repeater SGR1900+14
- A model for fast extragalactic radio bursts
- Magnetars: the physics behind observations
- A Living Theory Catalogue for Fast Radio Bursts
- Fast radio bursts as synchrotron maser emission from decelerating relativistic blast waves
- CHIME/FRB Detection of Eight New Repeating Fast Radio Burst Sources
- Millisecond Magnetar Birth Connects FRB 121102 to Superluminous Supernovae and Long Duration Gamma-ray Bursts
- INTEGRAL discovery of a burst with associated radio emission from the magnetar SGR 1935+2154
- The Physical Mechanisms of Fast Radio Bursts
- Considerations for a Multi-beam Multi-purpose Survey with FAST
- A flaring magnetar in FRB 121102?
- Fast radio burst source properties and curvature radiation model
- A bimodal burst energy distribution of a repeating fast radio burst source
- Searches for Fast Radio Transients
- HXMT Identification of a non-thermal X-ray burst from SGR J1935+2154 and with FRB 200428
- Explosive reconnection in magnetars
- A Burst in a Wind Bubble and the Impact on Baryonic Ejecta: High-Energy Gamma-Ray Flashes and Afterglows from Fast Radio Bursts and Pulsar-Driven Supernova Remnants
- Nine New Repeating Fast Radio Burst Sources from CHIME/FRB
- 25 Years of Self-Organized Criticality: Solar and Astrophysics
- Blast Waves from Magnetar Flares and Fast Radio Bursts
- Giant Sparks at Cosmological Distances?
- A peculiar hard X-ray counterpart of a Galactic fast radio burst
- Fast Radio Burst 121102 Pulse Detection and Periodicity: A Machine Learning Approach
- Statistical properties of SGR 1900+14 bursts
- Bunching Coherent Curvature Radiation in Three-Dimensional Magnetic Field Geometry: Application to Pulsars and Fast Radio Bursts
- How Soft Gamma Repeaters May Make Fast Radio Bursts
- Statistical properties of SGR 1806-20 bursts
- The Physics of Fast Radio Bursts
- Analysis of Self-Organized Criticality in the Olami-Feder-Christensen model and in real earthquakes
- Repeating Fast Radio Bursts from Magnetars with Low Magnetospheric Twist
- Self-organized criticality in X-ray flares of gamma-ray burst afterglows
- A Statistical Fractal-Diffusive Avalanche Model of a Slowly-Driven Self-Organized Criticality System
- Temporal and Spectral Characteristics of Short Bursts from the Soft Gamma Repeaters 1806-20 and 1900+14
- SGR-like behaviour of the repeating FRB 121102
- Repeating Fast Radio Bursts from Collapses of the Crust of a Strange Star
- A Macroscopic Description of a Generalized Self-Organized Criticality System: Astrophysical Applications
- Burst properties of the most recurring transient magnetar SGR J1935+2154
- Fermi/GBM View of the 2019 and 2020 Burst Active Episodes of SGR J1935+2154
- Fast radio bursts from activities of neutron stars newborn in BNS mergers: offset, birth rate and observational properties
- Thresholded Power Law Size Distributions of Instabilities in Astrophysics
- Analysis of return distributions in the coherent noise model
- Statistical properties magnetar bursts and FRB 121102
- Scale-invariance in the repeating fast radio burst 121102
- Scale-invariance in soft gamma repeaters
- Broadband Spectral Investigations of Magnetar Bursts