activity
20242026
collaborators

11 papers

astro-ph.HE2026

Temporary EHBL-like behavior of Markarian 501 during July 2014 VHE flaring

Sarira Sahu, A. U. Puga Oliveros, D. I. Páez-Sánchez +6

Markarian 501, a BL Lac object well-known as a high energy gamma-ray source, has exhibited several epochs of very high energy (VHE) gamma-ray flaring events when its synchrotron pe…

astro-ph.IM2025

Combined Annual Modulation Dark Matter Search with COSINE-100 and ANAIS-112

N. Carlin, J. Y. Cho, J. J. Choi +71

The annual modulation signal, claimed to be consistent with dark matter as observed by DAMA/LIBRA in a sodium-iodide based detector, has persisted for over two decades. COSINE-100…

astro-ph.HE2025

Insights from the first flaring activity of a high-synchrotron-peaked blazar with X-ray polarization and VHE gamma rays

MAGIC Collaboration, K. Abe, S. Abe +250

We study a flaring activity of the HSP Mrk421 that was characterized from radio to very-high-energy (VHE; E TeV) gamma rays with MAGIC, Fermi-LAT, Swift, XMM-Newton and sever…

astro-ph.HE2025

Detection of the Geminga pulsar at energies down to 20 GeV with the LST-1 of CTAO

The CTAO-LST Project, :, K. Abe +331

Geminga is the third gamma-ray pulsar firmly detected by imaging atmospheric Cherenkov telescopes (IACTs) after the Crab and the Vela pulsars. Most of its emission is expected at t…

astro-ph.IM2025

COCOA: a compact Compton camera for astrophysical observation of MeV-scale gamma rays

LiquidO Collaboration, S. R. Soleti, J. J. Gómez-Cadenas +89

COCOA (COmpact COmpton cAmera) is a next-generation gamma-ray telescope designed for astrophysical observations in the MeV energy range. The detector comprises a scatterer volume e…

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…