Discovery of X-ray polarization angle rotation in the jet from blazar Mrk 421
L Di Gesu, HL Marshall, SR Ehlert, DE Kim… - Nature …, 2023 - nature.com
The magnetic-field conditions in astrophysical relativistic jets can be probed by
multiwavelength polarimetry, which has been recently extended to X-rays. For example, one …
multiwavelength polarimetry, which has been recently extended to X-rays. For example, one …
The X-Ray Polarization View of Mrk 421 in an Average Flux State as Observed by the Imaging X-Ray Polarimetry Explorer
L Di Gesu, I Donnarumma, F Tavecchio… - The Astrophysical …, 2022 - iopscience.iop.org
Particle acceleration mechanisms in supermassive black hole jets, such as shock
acceleration, magnetic reconnection, and turbulence, are expected to have observable …
acceleration, magnetic reconnection, and turbulence, are expected to have observable …
The spectral energy distribution of Fermi bright blazars
The Large Area Telescope (LAT) on board the Fermi Gamma Ray Space Telescope,
launched on 2008 June 11, provides unprecedented sensitivity in the γ-ray band (20 MeV to …
launched on 2008 June 11, provides unprecedented sensitivity in the γ-ray band (20 MeV to …
Galactic and extragalactic sources of very high energy gamma rays
D Bose, VR Chitnis, P Majumdar, A Shukla - The European Physical …, 2022 - Springer
Abstract Very high energy\(\gamma\)-rays are one of the most important messengers of the
relativistic non-thermal Universe. The major motivation of very high energy\(\gamma\)-ray …
relativistic non-thermal Universe. The major motivation of very high energy\(\gamma\)-ray …
Fermi Large Area Telescope observations of Markarian 421: The missing piece of its spectral energy distribution
FERMI LARGE AREA TELESCOPE OBSERVATIONS OF MARKARIAN 421: THE MISSING
PIECE OF ITS SPECTRAL ENERGY DISTRIBUTION - IOPscience Skip to content IOP …
PIECE OF ITS SPECTRAL ENERGY DISTRIBUTION - IOPscience Skip to content IOP …
An extremely luminous panchromatic outburst from the nucleus of a distant galaxy
AJ Levan, NR Tanvir, SB Cenko, DA Perley… - Science, 2011 - science.org
Variable x-ray and γ-ray emission is characteristic of the most extreme physical processes in
the universe. We present multiwavelength observations of a unique γ-ray–selected transient …
the universe. We present multiwavelength observations of a unique γ-ray–selected transient …
Long-term optical monitoring of TeV emitting blazars-I. Data analysis
K Nilsson, E Lindfors, LO Takalo, R Reinthal… - Astronomy & …, 2018 - aanda.org
We present ten years of R-band monitoring data of 31 northern blazars which were either
detected at very high-energy (VHE) gamma rays or listed as potential VHE gamma-ray …
detected at very high-energy (VHE) gamma rays or listed as potential VHE gamma-ray …
Simultaneous Planck, Swift, and Fermi observations of X-ray and γ-ray selected blazars
P Giommi, G Polenta, A Lähteenmäki… - Astronomy & …, 2012 - aanda.org
We present simultaneous Planck, Swift, Fermi, and ground-based data for 105 blazars
belonging to three samples with flux limits in the soft X-ray, hard X-ray, and γ-ray bands, with …
belonging to three samples with flux limits in the soft X-ray, hard X-ray, and γ-ray bands, with …
Multiwavelength variability and correlation studies of Mrk 421 during historically low X-ray and γ-ray activity in 2015–2016
VA Acciari, S Ansoldi, LA Antonelli… - Monthly Notices of …, 2021 - academic.oup.com
We report a characterization of the multiband flux variability and correlations of the nearby
(z= 0.031) blazar Markarian 421 (Mrk 421) using data from Metsähovi, Swift, Fermi-LAT …
(z= 0.031) blazar Markarian 421 (Mrk 421) using data from Metsähovi, Swift, Fermi-LAT …
SIMULTANEOUS OBSERVATIONS OF PKS 2155− 304 WITH HESS, FERMI, RXTE, AND ATOM: SPECTRAL ENERGY DISTRIBUTIONS AND VARIABILITY IN A LOW …
F Aharonian, AG Akhperjanian, G Anton… - The Astrophysical …, 2009 - iopscience.iop.org
We report on the first simultaneous observations that cover the optical, X-ray, and high-
energy gamma-ray bands of the BL Lac object PKS 2155− 304. The gamma-ray bands were …
energy gamma-ray bands of the BL Lac object PKS 2155− 304. The gamma-ray bands were …