Results 71 to 80 of about 16,452 (194)
This paper discusses the spectral energy distribution (SED) of all blazars with redshift detected by the Fermi satellite and listed in the 3LAC catalog. The so called “blazar sequence” from the phenomenological point of view will be updated, with no theory or modelling. It will be shown that: (i) pure data show that jet and accretion power are related;
openaire +4 more sources
The recognition of blazars and the blazar spectral sequence [PDF]
Accepted for publication in ...
Antón, S., Browne, I. W A
openaire +2 more sources
Abstract Background The ongoing underrepresentation of Latinx students, particularly girls, in engineering calls for new approaches to broaden participation. The present study aims to address this disparity by implementing a culturally responsive gamified engineering activity for migratory high school students, an often‐overlooked subset of Latinx ...
Dina Verdín +2 more
wiley +1 more source
The VLBA-BU-BLAZAR Multi-Wavelength Monitoring Program
We describe a multiwavelength program of monitoring of a sample of bright γ-ray blazars, which the Boston University (BU) group has being carrying out since June 2007.
Svetlana Jorstad, Alan Marscher
doaj +1 more source
Blazar Jets as Possible Sources of Ultra-High Energy Photons: A Short Review
In this paper, I present a qualitative discussion on the prospect of production of ultra-high photons in blazars. The sources are a subclass of active galactic nuclei which host supermassive black holes and fire relativistic jets into the intergalactic ...
Gopal Bhatta
doaj +1 more source
Broad-band spectra of the FSRQ (flat-spectrum-radio quasars) detected in the high energy gamma-ray band imply that there may be two types of such objects: those with steep gamma-ray spectra, hereafter called MeV-blazars, and those with flat gamma-ray ...
Baker J. C. +16 more
core +1 more source
From the ‘blazar sequence' to unification of blazars and radio galaxies [PDF]
7 pages, 2 table, 5 figures, accepted for publication in ...
Xiong, Dingrong +3 more
openaire +2 more sources
Myeloid‐derived suppressor cells (MDSCs) are a heterogeneous population of immature myeloid cells that have been increasingly defined and characterized over the past two decades, known for their remarkable capacity to expand and exert immunosuppressive effects in various pathological contexts, such as malignancies, infections, and inflammatory diseases.
Qi Liu +7 more
wiley +1 more source
The University of Michigan 26-m paraboloid was dedicated to obtaining linear polarization and total flux density observations of blazars from the mid-1960s until June 2012, providing an unprecedented record tracking centimeter-band variability over ...
Margo F. Aller +2 more
doaj +1 more source
Gamma-Ray Cosmology and Tests of Fundamental Physics
The propagation of gamma-rays over cosmological distances is the subject of extensive theoretical and observational research at GeV and TeV energies. The mean free path of gamma-rays in the cosmic web is limited above 100 GeV due to the production of ...
Jonathan Biteau, Manuel Meyer
doaj +1 more source

