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Hace 3 días · Abstract: High-redshift blazars are the most powerful extragalactic astrophysical sources ever detected in the high-energy gamma-ray band. In this study, we present a temporal and spectral analysis of the high-redshift blazar B3 1343+451 based on 14 years of Fermi-LAT observations, spanning from 2008 August 4 to 2022 June 6 (MJD 54686-59733).
Hace 4 días · Title: Gamma-Ray Burst prompt emission from the synchrotron radiation of relativistic electrons in a rapidly decaying magnetic field. Authors: ... {syn}(\Gamma_{m})$, the effect is very weak and the spectral shape is mostly determined by the impact of the IC scatterings on the electron cooling, leading to $-3/2\le \alpha\le -1$; (ii) for a fast ...
Hace 5 días · DOI: 10.48550/arxiv.2406.19233. Astronomers from China and Taiwan have observed the nova eruption of V1716 Sco that took place last year, using various X-ray and gamma-ray space observatories ...
Hace 3 días · L. Scotton (UAH) reports on behalf of the Fermi Gamma-ray Burst Monitor Team: "The Fermi Gamma-ray Burst Monitor (GBM) trigger 741911057/240705933 at 22:24:12.27 UT on 05 July 2024, tentatively classified as a GRB, is in fact not due to a GRB. This trigger is likely due to local particles."
Hace 2 días · To opt for an optimised method, a combination of capacitance-based sensors, gamma-ray attenuation sensor and Artificial Neural Networks (ANN) is utilised. To train the proposed metering system which is a MLP type, two inputs are considered. For the first input, the concave sensor is simulated in COMSOL Multiphysics software and different ...
Hace 1 día · The electromagnetic spectrum consists of gamma rays, X-rays, ultraviolet light, visible light, infrared radiаtion, microwaves, and radio waves arranged in wavelength and frequency. Gamma rays have the shortest wavelength. Result. 2 of 2. a. gamma rays. Create a free account to view solutions.
