activity
20182026
most citedPolarized Blazar X-rays imply particle acceleration in shocks

140 citations · 1k across the 62 of their papers we have counts for

collaborators

65 papers

astro-ph.HE2026

Detection of the distant quasar OP 313 with the first Large-Sized Telescope of CTAO

K. Abe, S. Abe, J. Abhir +412

In December 2023, the Large-Sized Telescope prototype (LST-1) detected for the first time VHE -ray emission from the FSRQ OP~313 becoming the furthest blazar ever observed at VH…

astro-ph.HE2026

The January 2010 flare of Mrk421: Insights from a stochastic acceleration model

MAGIC collaboration, K. Abe, S. Abe +191

Mrk421 displayed its highest flux state ever observed in February of 2010 with very high TeV fluxes and interesting cross-band correlations and a spectral energy distribution (SED)…

astro-ph.HE2026

VHE gamma-ray intranight variability from BL Lacertae during the extreme flaring state of 2022

K. Abe, S. Abe, A. Abhishek +297

BL Lacertae (BL Lac), the archetypal blazar of its subclass and one of the most studied blazars in the last decades, has undergone a series of major multi-wavelength outbursts sinc…

astro-ph.HE2026

Extreme Blazars Observed with MAGIC: Second Catalog Release

K. Abe, S. Abe, J. Abhir +353

Extremely high-peaked BL Lac objects - also named extreme blazars - are among the most energetic and persistent extragalactic accelerators in the Universe, defined by a synchrotron…

astro-ph.HE2026

MAGIC observations of NGC 4278. The first low-luminosity radio galaxy with compact jets detected at TeV energies

S. Abe, J. Abhir, V. A. Acciari +189

The Large High Altitude Air Shower Observatory (LHAASO) Collaboration has recently reported the first detection at TeV energies of a low-luminosity radio galaxy, NGC 4278. The aim…

astro-ph.HE2026

A long-term multiwavelength study of the flat spectrum radio quasar OP 313

Chiara Bartolini, Elina Lindfors, Andrea Tramacere +25

The Flat Spectrum Radio Quasar OP 313 is a high-redshift (z = 0.997) blazar that entered an intense gamma-ray active phase from November 2023 to March 2024, as observed by the Larg…

astro-ph.HE2026★ 2 cited

First detection of VHE gamma-ray signal from the FSRQ TON 0599

MAGIC Collaboration, K. Abe, S. Abe +245

TON\,0599 (z=0.7247) belongs to the few flat spectrum radio quasars (FSRQs) detected in the very high energy (VHE, \,GeV) gamma-ray band. Its redshift makes it currently o…

astro-ph.HE2025★ 1 cited

Prompt Searches for Very-High-Energy γ-Ray Counterparts to IceCube Astrophysical Neutrino Alerts

J. Abhir, A. Biland, K. Brand +817

The search for sources of high-energy astrophysical neutrinos can be significantly advanced through a multi-messenger approach, which seeks to detect the gamma rays that accompany…

astro-ph.HE2025

Detection of Compton scattering in the jet of 3C 84

Ioannis Liodakis, Sudip Chakraborty, Frédéric Marin +77

3C 84 is the brightest cluster galaxy in the Perseus Cluster. It is among the closest radio-loud active galaxies and among the very few that can be detected from low frequency radi…

astro-ph.HE2025

Exploring the Most Extreme Blazars: New Insights from MAGIC

L. Foffano, C. Arcaro, A. Arbet-Engels +8

Extremely high-peaked BL Lac objects (or extreme blazars) are unique extragalactic laboratories where particle acceleration processes are pushed at their physical limits. In these…

astro-ph.HE2025★ 1 cited

CAZ catalog and optical light curves of 7918 blazar-selected active galactic nuclei

Pouya M. Kouch, Elina Lindfors, Talvikki Hovatta +10

Active galactic nuclei (AGN) are some of the brightest and most variable objects in the Universe. Those with relativistic jets observed at small viewing angles are blazars. Due to…

astro-ph.HE2025★ 4 cited

Time-Dependent Modeling of the Sub-Hour Spectral Evolution During the 2013 Outburst of Mrk 421

MAGIC Collaboration, K. Abe, S. Abe +192

In April 2013, the TeV blazar Markarian~421 underwent one of its most powerful emission outbursts to date. An extensive multi-instrument campaign featuring MAGIC, VERITAS, and \tex…

astro-ph.HE2025★ 5 cited

Combined dark matter search towards dwarf spheroidal galaxies with Fermi-LAT, HAWC, H.E.S.S., MAGIC, and VERITAS

LAT Collaboration, S. Abdollahi, L. Baldini +586

Dwarf spheroidal galaxies (dSphs) are excellent targets for indirect dark matter (DM) searches using gamma-ray telescopes because they are thought to have high DM content and a low…

astro-ph.HE2025★ 3 cited

Very-high-energy observations of the Seyfert galaxy NGC 4151 with MAGIC -- Indication of another gamma-ray obscured candidate neutrino source

K. Abe, S. Abe, J. Abhir +207

Seyfert galaxies are emerging as a promising source class of high-energy neutrinos. The Seyfert galaxies NGC 4151 and NGC 1068 have come up respectively as the most promising count…

astro-ph.HE2025

IXPE Observations of the Blazar Mrk 501 in 2022: A Multiwavelength View

L. Lisalda, E. Gau, H. Krawczynski +157

The blazar Markarian 501 (Mrk 501) was observed on three occasions over a 4-month period between 2022 March and 2022 July with the Imaging X-ray Polarimetry Explorer (IXPE). In thi…

astro-ph.HE2025★ 2 cited

Testing the ubiquitous presence of very high energy emission in gamma-ray bursts with the MAGIC telescopes

S. Abe, J. Abhir, A. Abhishek +206

Gamma-ray bursts (GRBs) are the most powerful transient objects in the Universe, and they are a primary target for the MAGIC Collaboration. Recognizing the challenges of observing…

astro-ph.HE2025★ 15 cited

High optical to X-ray polarization ratio reveals Compton scattering in BL Lacertae's jet

Ivan Agudo, Ioannis Liodakis, Jorge Otero-Santos +147

Blazars, supermassive black hole systems (SMBHs) with highly relativistic jets aligned with the line of sight, are the most powerful long-lived emitters of electromagnetic emission…

astro-ph.HE2025★ 3 cited

Very-high-energy gamma-ray detection and long-term multi-wavelength view of the flaring blazar B2 1811+31

K. Abe, S. Abe, J. Abhir +231

Among the blazars whose emission has been detected up to very-high-energy (VHE; 100 GeV < E < 100 TeV) gamma rays, intermediate synchrotron-peaked BL Lacs (IBLs) are quite rare. Th…

astro-ph.HE2025★ 1 cited

Optimizing the hunt for extraterrestrial high-energy neutrino counterparts

Pouya M. Kouch, Elina Lindfors, Talvikki Hovatta +6

It has been a decade since the IceCube collaboration began detecting high-energy (HE) neutrinos originating from cosmic sources. Despite a few well-known individual associations an…

astro-ph.HE2025★ 2 cited

The polarisation behaviour of OJ 287 viewed through radio, millimetre and optical observations between 2015 and 2017

J. Jormanainen, T. Hovatta, E. Lindfors +13

OJ 287 is a bright blazar with century-long observations, and one of the strongest candidates to host a supermassive black hole binary. Its polarisation behaviour between 2015 and…

astro-ph.HE2025

Cosmic-ray acceleration and escape from supernova remnant W44 as probed by Fermi-LAT and MAGIC

S. Abe, J. Abhir, A. Abhishek +218

Context. The supernova remnant (SNR) W44 and its surroundings are a prime target for studying the acceleration of cosmic rays (CRs). Several previous studies established an extende…

astro-ph.HE2025

Characterization of Markarian 421 during its most violent year: Multiwavelength variability and correlations

K. Abe, S. Abe, J. Abhir +212

Mrk 421 was in its most active state around early 2010, which led to the highest TeV gamma-ray flux ever recorded from any active galactic nuclei. We aim to characterize the multiw…

astro-ph.HE2024★ 4 cited

Multi-wavelength study of OT 081: broadband modelling of a transitional blazar

MAGIC Collaboration, H. Abe, S. Abe +270

OT 081 is a well-known, luminous blazar that is remarkably variable in many energy bands. We present the first broadband study of the source which includes very-high-energy (VHE, $…

astro-ph.IM2024

Standardised formats and open-source analysis tools for the MAGIC telescopes data

S. Abe, J. Abhir, A. Abhishek +208

Instruments for gamma-ray astronomy at Very High Energies () have traditionally derived their scientific results through proprietary data and software. Data stand…