Results 11 to 20 of about 20,672 (255)

The Blazar Sequence 2.0 [PDF]

open access: yesGalaxies, 2016
This paper discusses the spectral energy distribution (SED) of all blazars with redshift detected by the Fermi satellite and listed in the 3LAC catalog.
Gabriele Ghisellini
doaj   +4 more sources

Cellular Therapy for Systemic Autoimmune Diseases: New Opportunities for Future Research and Interdisciplinary Collaboration. [PDF]

open access: yesACR Open Rheumatol
Systemic autoimmune diseases (sAIDs) affect 1 in 10 people and represent a leading cause of death in women under the age of 65 years. Despite the emergence of targeted‐biologic therapies, mortality rates for sAIDs have not improved. Emerging cellular therapies represent a promising therapeutic strategy for patients living with sAIDs given their ...
Volkmann ER   +4 more
europepmc   +2 more sources

Regulatory T Cells and Nanomaterials: Dual Perspectives in Therapeutics and Immunomodulation. [PDF]

open access: yesSmall Sci
Tregs control immune tolerance but can also enable tumor escape. Nanomaterials can now expand or stabilize Tregs to treat autoimmunity and support transplantation or conversely disrupt tumor Tregs to boost antitumor immunity. We also discuss unintended Treg modulation by nanoparticles, safety and manufacturing challenges, and future translational ...
Chen Y   +10 more
europepmc   +2 more sources

The Blazar Sequence and Its Physical Understanding [PDF]

open access: yesGalaxies, 2022
Introduced in 1998 to attempt a first unified view of the broad-band emission properties of blazars, the blazar sequence has been extensively used in the past 25 years to guide observations as well as the physical interpretation of the overall emission ...
E. Prandini, G. Ghisellini
semanticscholar   +1 more source

Resolving the Inner Parsec of the Blazar J1924–2914 with the Event Horizon Telescope [PDF]

open access: yesAstrophysical Journal, 2022
The blazar J1924–2914 is a primary Event Horizon Telescope (EHT) calibrator for the Galactic center’s black hole Sagittarius A*. Here we present the first total and linearly polarized intensity images of this source obtained with the unprecedented 20 μas
S. Issaoun   +264 more
semanticscholar   +1 more source

Blazar Constraints on Neutrino-Dark Matter Scattering. [PDF]

open access: yesPhysical Review Letters, 2022
Neutrino emission in coincidence with gamma rays has been observed from the blazar TXS 0506+056 by the IceCube telescope. Neutrinos from the blazar had to pass through a dense spike of dark matter (DM) surrounding the central black hole.
J. Cline   +7 more
semanticscholar   +1 more source

GB6 J2113+1121: A Multiwavelength Flaring γ-Ray Blazar Temporally and Spatially Coincident with the Neutrino Event IceCube-191001A [PDF]

open access: yesAstrophysical Journal Letters, 2022
A radio-emitting tidal disruption event (AT2019dsg) is proposed as a likely counterpart to the IceCube neutrino event IC 191001A. In this work, we have revisited the Fermi-LAT data in the direction of the neutrino and confirmed no signal at the site of ...
N. Liao   +8 more
semanticscholar   +1 more source

X-Ray Polarization of the BL Lacertae Type Blazar 1ES 0229+200

open access: yesAstrophysical Journal, 2023
We present polarization measurements in the 2–8 keV band from blazar 1ES 0229+200, the first extreme high synchrotron peaked source to be observed by the Imaging X-ray Polarimetry Explorer (IXPE).
S. Ehlert   +113 more
semanticscholar   +1 more source

Multimessenger observations of a flaring blazar coincident with high-energy neutrino IceCube-170922A [PDF]

open access: yesScience, 2018
Neutrino emission from a flaring blazar Neutrinos interact only very weakly with matter, but giant detectors have succeeded in detecting small numbers of astrophysical neutrinos.
M. Aartsen   +499 more
semanticscholar   +1 more source

Time-dependent lepto-hadronic modeling of the emission from blazar jets with SOPRANO: the case of TXS 0506+056, 3HSP J095507.9+355101 and 3C 279 [PDF]

open access: yesMonthly notices of the Royal Astronomical Society, 2021
The observation of a very-high-energy neutrino by IceCube (IceCube-170922A) and its association with the flaring blazar TXS 0506+056 provided the first multimessenger observations of blazar jets, demonstrating the important role of protons in their ...
S. Gasparyan, D. B'egu'e, N. Sahakyan
semanticscholar   +1 more source

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