Context. It has become evident that one-zone synchrotron self-Compton models are not always adequate for very high-energy (VHE) gamma-ray-emitting blazars...
-
PublicaciónTesting two-component models on very high-energy gamma-ray-emitting BL Lac objects
-
PublicaciónThe 2010 Very High Energy γ-Ray Flare and 10 Years of Multi-wavelength Observations of M 87
The giant radio galaxy M 87 with its proximity (16 Mpc), famous jet, and very massive black hole ((3 - 6) × 109 M &sun;) provides a unique opportunity to...
-
PublicaciónThe Blazar TXS 0506+056 Associated with a High-energy Neutrino: Insights into Extragalactic Jets and Cosmic-Ray Acceleration
A neutrino with energy ˜290 TeV, IceCube-170922A, was detected in coincidence with the BL Lac object TXS 0506+056 during enhanced gamma-ray activity, with...
-
PublicaciónThe bright optical afterglow of the long GRB 001007
We present optical follow up observations of the long GRB 001007 between 6.14 hours and ~468 days after the event. An unusually bright optical afterglow (OA)...
-
PublicaciónThe Bright γ-ray Flare of 3C 279 in 2015 June: AGILE Detection and Multifrequency Follow-up Observations
We report the AGILE detection and the results of the multifrequency follow-up observations of a bright γ-ray flare of the blazar 3C 279 in 2015 June. We use...
-
PublicaciónThe Broadband Energy Distribution of the Misaligned Gamma-Ray Blazar PKS 0521-365
Simultaneous UV and X-ray observations of the blazar PKS 0521-365 are combined with radio, IR, optical, and y-ray data taken at different epochs to study the...
-
PublicaciónThe Cherenkov Telescope Array potential for the study of young supernova remnants
Supernova remnants (SNRs) are among the most important targets for γ-ray observatories. Being prominent non-thermal sources, they are very likely responsible...
-
PublicaciónThe dark nature of GRB 051022 and its host galaxy
Aims:We present multiwavelength (X-ray/optical/near-infrared/millimetre) observations of GRB 051022 between 2.5 h and 1.15 yr after the event. It is the most...
-
CharlaThe Extragalactic Background Light: Connecting Classical and High Energy Astronomy
The extragalactic background light (EBL) is the second most energetic diffuse background that fills our Universe. It is produced by star formation processes and...