Leptonic and hadronic radiative processes in supermassive-black-hole jets
M Cerruti - Galaxies, 2020 - mdpi.com
Supermassive black holes lying in the center of galaxies can launch relativistic jets of
plasma along their polar axis. The physics of black-hole jets is a very active research topic in …
plasma along their polar axis. The physics of black-hole jets is a very active research topic in …
Gamma-ray observations of active galactic nuclei
G Madejski, M Sikora - Annual Review of Astronomy and …, 2016 - annualreviews.org
This article reviews the recent observational results regarding γ-ray emission from active
galaxies. The most numerous discrete extragalactic γ-ray sources are AGNs dominated by …
galaxies. The most numerous discrete extragalactic γ-ray sources are AGNs dominated by …
Multiwavelength observations of Markarian 421 in 2001 March: An unprecedented view on the X-ray/TeV correlated variability
We present a detailed analysis of week-long simultaneous observations of the blazar Mrk
421 at 2-60 keV X-rays (RXTE) and TeV γ-rays (Whipple and HEGRA) in 2001 …
421 at 2-60 keV X-rays (RXTE) and TeV γ-rays (Whipple and HEGRA) in 2001 …
X-Ray Polarization of the BL Lacertae Type Blazar 1ES 0229+ 200
SR Ehlert, I Liodakis, R Middei… - The Astrophysical …, 2023 - iopscience.iop.org
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 …
first extreme high synchrotron peaked source to be observed by the Imaging X-ray …
Multiwavelength study of quiescent states of Mrk 421 with unprecedented hard X-ray coverage provided by NuSTAR in 2013
M Baloković, D Paneque, G Madejski… - The Astrophysical …, 2016 - iopscience.iop.org
Markarian 421 (Mrk 421 hereafter) is a nearby active galaxy with a featureless optical
spectrum devoid of prominent emission or absorption lines, strongly polarized variable …
spectrum devoid of prominent emission or absorption lines, strongly polarized variable …
Unprecedented study of the broadband emission of Mrk 421 during flaring activity in March 2010
Context. Because of its proximity, Mrk 421 is one of the best sources on which to study the
nature of BL Lac objects. Its proximity allows us to characterize its broadband spectral …
nature of BL Lac objects. Its proximity allows us to characterize its broadband spectral …
Simultaneous multiwavelength observations of the second exceptional γ-ray flare of PKS 2155–304 in July 2006
Aims. The X-ray–TeV connection and the evolution of the emitting particle population is
studied in high-energy peaked BL Lac objects, by obtaining spectral information in both …
studied in high-energy peaked BL Lac objects, by obtaining spectral information in both …
Fermi observations of TeV-selected active galactic nuclei
We report on observations of TeV-selected active galactic nuclei (AGNs) made during the
first 5.5 months of observations with the Large Area Telescope (LAT) on-board the Fermi …
first 5.5 months of observations with the Large Area Telescope (LAT) on-board the Fermi …
The γ-ray brightest days of the blazar 3C 454.3
In the first week of 2009 December, the blazar 3C 454.3 became the brightest high-energy
source in the sky. Its photon flux reached and surpassed the level of 10− 5 ph cm− 2 s− 1 …
source in the sky. Its photon flux reached and surpassed the level of 10− 5 ph cm− 2 s− 1 …
Fermi Large Area Telescope and multi-wavelength observations of the flaring activity of PKS 1510-089 between 2008 September and 2009 June
We report on the multi-wavelength observations of PKS 1510-089 (a flat spectrum radio
quasar (FSRQ) at z= 0.361) during its high activity period between 2008 September and …
quasar (FSRQ) at z= 0.361) during its high activity period between 2008 September and …