Results 131 to 140 of about 24,339 (257)
The Astrophysical JournalModeling the multiwavelength spectral energy distributions (SEDs) of blazars provides key insights into the underlying physical processes responsible for the emission.
D. Bégué +7 more
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Neutrino Detection Rates from Lepto-hadronic Model Simulations of Bright Blazar Flares
The Astrophysical JournalThere is mounting evidence that blazars are the sources of part of the very-high-energy astrophysical neutrino flux detected by IceCube. In particular, there have been several spatial and temporal coincidences of individual IceCube neutrino events with ...
Joshua Robinson, Markus Böttcher
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From Equipartition to Curvature: The Spectral Evolution of 4FGL Blazars
The Astrophysical Journal Supplement SeriesWe investigate the evolution of spectral energy distribution (SED) and underlying electron energy distribution (EED) by modeling the nearly simultaneous broadband spectra of selected bright 4FGL blazars, in the context of a combined cooling and ...
Muhammad S. Anjum +4 more
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Optical Quasi-Periodic Oscillation of Blazar PKS 1440-389 in the TESS Light Curve
UniverseWe report the results of time series analysis of blazar PKS 1440-389, observed by the Transiting Exoplanet Survey Satellite (TESS) in two sectors. We find that the source has a quasi-periodic oscillation (QPO) of about 3.1 days for sector 11 and around 3.
He Lu +9 more
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High energy emission from extended region within the blazar jet during quiet gamma-ray state [PDF]
, 2016 Piotr Banasiński
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Spin Tetrad Formalism of Circular Polarization States in Relativistic Jets
UniverseRelativistic jets from active galactic nuclei (AGN) have been a topic of peak interest in the high-energy astrophysics community for their uniquely dynamic nature and incredible radiative power emanating from supermassive black holes and similarly ...
Ronald Gamble
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The number counts, luminosity functions, and evolution of microwave-selected (WMAP) blazars and radio galaxies [PDF]
, 2009 P. Giommi +5 more
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VERITAS follow-up observation of the blazar TXS 0506+056 [PDF]
, 2021 Weidong Jin +62 more
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Journal of High Energy Astrophysics, 2015 I will review recent advances in the field of blazars, highlighting the contribution of Swift. Together with other operating satellites (most notably Fermi, but also AGILE, WISE, Planck) and ground based facilities such as Cherenkov telescopes, Swift was (and is) crucial for improving our understanding of blazars.
openaire +3 more sources
Universal Stochastic Process in Blazar Gamma-Ray Variability Revealed by Bayesian Kernel Comparison
The Astrophysical JournalAlthough Gaussian processes have been widely applied in modeling the high-energy light curves of blazars, a systematic comparison of the performances of different kernel functions within Gaussian processes has remained lacking.
Jiachao Liu +6 more
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