76 citations · 723 across the 50 of their papers we have counts for
50 papers
The angular structure of the GW170817 jet from prompt emission alone
R. Moradi, R. Ruffini
We determine the angular structure of the GW170817 jet by the prompt emission alone, without afterglow fitting, circumburst density or microphysical parameters. We assume that GRB…
GRB 220101A: a most energetic erg long GRB triggered by two supernovae 3.5 seconds apart
R. Ruffini, Y. Aimuratov, L. M. Becerra +10
GRB 220101A is a long GRB, with a total energy exceeding erg with a redshift and one of the largest ever high-quality multi-wavelength observational coverage,…
The afterglow of gamma-ray burst - supernova connections
Marco Muccino, Rahim Moradi, Yu Wang
The X-ray afterglow of several long gamma-ray bursts (LGRBs) associated with broad line type Ib/c supernovae (SNe) exhibits a standard non-thermal afterglow, commonly attributed to…
Selected topics on: 1) proposal of interpreting the Crab supernova with a GRB 2) progress in identifying the seven GRBs episodes 3) the role of Sagittarius A in identifying the dark matter component (the X fermion)
R. Ruffini, C. Sigismondi, Y. Wang +10
As the fiftieth anniversary of our common effort in the field of relativistic astrophysics is approaching, we offer a new look to some of our acquired knowledge in a more complete…
Machine Phenomenology: A Simple Equation Classifying Fast Radio Bursts
Yang Liu, Yuhao Lu, Rahim Moradi +4
This work shows how human physical reasoning can guide machine-driven symbolic regression toward discovering empirical laws from observations. As an example, we derive a simple equ…
Multimessenger signatures of a deformed magnetar in gamma-ray bursts
Parisa Hashemi, Soroush Shakeri, Yu Wang +2
We study the evolution of a newly formed magnetized neutron-star (NS) as a power source of gamma-ray bursts (GRBs) in the light of both gravitational-wave (GW) and electromagnetic…
A new subclass of gamma-ray burst originating from compact binary merger
Chen-Wei Wang, Wen-Jun Tan, Shao-Lin Xiong +15
Type I gamma-ray bursts (GRBs) are believed to originate from compact binary merger usually with duration less than 2 seconds for the main emission. However, recent observations of…
Ten Supernova-rise in Binary Driven Gamma-ray Bursts
R. Ruffini, C. L. Bianco, Liang Li +6
The observation of a gamma-ray burst (GRB) associated with a supernova (SN) coincides remarkably with the energy output from a binary system comprising a very massive carbon-oxygen…
Can AI Understand Our Universe? Test of Fine-Tuning GPT by Astrophysical Data
Yu Wang, Shu-Rui Zhang, Aidin Momtaz +5
ChatGPT has been the most talked-about concept in recent months, captivating both professionals and the general public alike, and has sparked discussions about the changes that art…
Multipolar Electromagnetic Emission of Newborn Magnetar
Yu Wang, Rahim Moradi, Liang Li
It is generally recognized that the electromagnetic multipolar emission from magnetars can be used to explain radiation from Soft Gamma Repeaters (SGRs) or Anomalous X-ray Pulsars…
Evidence of mini-jet emission in a large emission zone from a magnetically-dominated gamma-ray burst jet
S. -X. Yi, C. -W. Wang, X. -Y. Shao +42
The second brightest GRB in history, GRB230307A, provides an ideal laboratory to study the mechanism of GRB prompt emission thanks to its extraordinarily high photon statistics and…
Probing electromagnetic-gravitational wave emission coincidence in type I binary-driven hypernova family of long GRBs at very-high redshift
C. L. Bianco, M. T. Mirtorabi, R. Moradi +7
The repointing time of the XRT instrument on the Neil Gehrels Swift Observatory satellite has posed challenges in observing and studying the early X-ray emissions within $\approx40…
GRB-SN Association within the Binary-Driven Hypernova Model
Y. Aimuratov, L. M. Becerra, C. L. Bianco +11
The observations of supernovae (SNe) Ic occurring after the prompt emission of long gamma-ray bursts (GRBs) are addressed within the binary-driven hypernova (BdHN) model where GRBs…
Introduction of Machine Learning for Astronomy (Hands-on Workshop)
Yu Wang, Rahim Moradi, Mohammad H. Zhoolideh Haghighi +1
This article is based on the tutorial we gave at the hands-on workshop of the ICRANet-ISFAHAN Astronomy Meeting. We first introduce the basic theory of machine learning and sort ou…
The first minutes of a binary-driven hypernova
L. M. Becerra, R. Moradi, J. A. Rueda +2
We simulate the first minutes of the evolution of a binary-driven hypernova (BdHN) event, with a special focus on the associated accretion processes of supernova (SN) ejecta onto t…
The structure of the ultrarelativistic prompt emission phase and the properties of the black hole in GRB 180720B
F. Rastegarnia, R. Moradi, J. A. Rueda +5
In analogy with GRB 190114C, we here analyze the ultrarelativistic prompt emission (UPE) of GRB 180720B observed in the rest-frame time interval --~s by Fer…
GRB 190829A -- A Showcase of Binary Late Evolution
Yu Wang, J. A. Rueda, R. Ruffini +7
GRB 190829A is the fourth closest gamma-ray burst (GRB) to date (). Owing to its wide range of radio, optical, X-ray, and the very-high-energy (VHE) observations by H.E.S…
On the X-ray, optical and radio afterglows of the BdHN I GRB 180720B generated by the synchrotron emission
J. A. Rueda, Liang Li, R. Moradi +3
Gamma-ray bursts (GRBs) are systems of unprecedented complexity across all the electromagnetic spectrum, including the radio, optical, X-rays, gamma-rays in the megaelectronvolt (M…
Evidence for the transition of a Jacobi ellipsoid into a Maclaurin spheroid in gamma-ray bursts
J. A. Rueda, R. Ruffini, L. Li +3
In the binary-driven hypernova (BdHN) scenario, long gamma-ray bursts (GRBs) originate in a cataclysmic event that occurs in a binary system composed of a carbon-oxygen (CO) star a…
The white dwarf binary merger model of GRB 170817A
J. A. Rueda, R. Ruffini, Liang Li +3
Following the GRB 170817A prompt emission lasting a fraction of a second, s of data in the X-rays, optical, and radio wavelengths have been acquired. We here present a model…
A Brief Review of Binary Driven Hypernova
Jorge A. Rueda, Remo Ruffini, Rahim Moradi +1
Binary driven hypernova (BdHN) models long gamma-ray burst (GRBs) as occurring in the binary systems involving a carbon-oxygen core (CO) and a companion neutron star (…
Deep Learning in Searching the Spectroscopic Redshift of Quasars
F. Rastegar Nia, M. T. Mirtorabi, R. Moradi +2
Studying the cosmological sources at their cosmological rest-frames is crucial to track the cosmic history and properties of compact objects. In view of the increasing data volume…
Nature of the ultrarelativistic prompt emission phase of GRB 190114C
R. Moradi, J. A. Rueda, R. Ruffini +7
We address the physical origin of the ultrarelativistic prompt emission (UPE) phase of GRB 190114C observed in the interval 1.9-3.99 s, by the Fermi-GBM in 10 keV-10 MeV . Thanks t…
Is the remnant of GW190425 a strange quark star?
J. Sedaghat, S. M. Zebarjad, G. H. Bordbar +2
This study investigates the effects of different QCD models on the structure of strange quark stars (SQS). In these models, the running coupling constant has a finite value in the…