Results 111 to 120 of about 23,536 (235)

Suborbital Fermi/LAT Analysis of the Brightest Gamma-Ray Flare of Blazar 3C 454.3

open access: yesGalaxies, 2017
Recent detection of suborbital gamma-ray variability of Flat Spectrum Radio Quasar (FSRQ) 3C 279 by Fermi Large Area Telescope (LAT) is in severe conflict with established models of blazar emission.
Krzysztof Nalewajko
doaj   +1 more source

Theoretical Study of the Effects of Magnetic Field Geometry on the High-Energy Emission of Blazars

open access: yesGalaxies, 2016
The knowledge of the structure of the magnetic field inside a blazar jet, as deduced from polarization observations at radio to optical wavelengths, is closely related to the formation and propagation of relativistic jets that result from accretion onto ...
Manasvita Joshi   +2 more
doaj   +1 more source

Millimeter-VLBI Detection and Imaging of the Gravitationally Lensed Gamma-Ray Blazar JVAS B0218+357 [PDF]

open access: green, 2020
Kazuhiro Hada   +4 more
openalex   +1 more source

Time-Evolving SED of MKN421: A Multi-Band View and Polarimetric Signatures

open access: yesFrontiers in Astronomy and Space Sciences, 2018
The most detailed temporal studies of the emission from blazars are usually done by trying to obtain a dense, simultaneous coverage of the source over a large multi-wavelength observational campaign.
Bernardo M. O. Fraga   +4 more
doaj   +1 more source

Multiwavelength Variability Power Spectrum Analysis of the Blazars 3C 279 and PKS 1510–089 on Multiple Timescales [PDF]

open access: gold, 2022
A. Goyal   +26 more
openalex   +1 more source

An Optical View of Extragalactic γ-Ray Emitters

open access: yesFrontiers in Astronomy and Space Sciences, 2017
The Fermi Gamma-ray Observatory discovered about a thousand extragalactic sources emitting energy from 100 MeV to 100 GeV. The majority of these sources belong to the class of blazars characterized by a quasi-featureless optical spectrum (BL Lac Objects).
Simona Paiano   +6 more
doaj   +1 more source

The number counts, luminosity functions, and evolution
of microwave-selected (WMAP) blazars and radio galaxies [PDF]

open access: bronze, 2009
P. Giommi   +5 more
openalex   +1 more source

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