A. Stamerra
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View article: The very high energy view of gamma-ray bursts with the MAGIC telescopes
The very high energy view of gamma-ray bursts with the MAGIC telescopes Open
Gamma-ray bursts (GRBs) are one of the main targets for the observations of the MAGIC telescopes. As a result of the effort in improving the sensitivity of the instrument and the automatic follow-up strategy, MAGIC detected two GRBs in the…
View article: Twenty years of blazar monitoring with the INAF radio telescopes
Twenty years of blazar monitoring with the INAF radio telescopes Open
Context . The extreme variability of blazars, in both timescale and amplitude, is generally explained as the effect of a relativistic jet closely aligned with the observer’s line of sight. Via causality arguments, variability characteristi…
View article: Twenty years of blazar monitoring with the INAF radio telescopes
Twenty years of blazar monitoring with the INAF radio telescopes Open
The extreme variability of blazars, in both timescale and amplitude, is generally explained as the effect of a relativistic jet closely aligned to the observer's line-of-sight. Due to causality arguments, variability characteristics transl…
View article: Unveiling the periodic variability patterns of the X-ray emission from the blazar PG 1553+113
Unveiling the periodic variability patterns of the X-ray emission from the blazar PG 1553+113 Open
The search for periodicity in the multiwavelength, highly variable emission of blazars is a key feature to understanding dynamical processes at work in this class of active galactic nuclei. The blazar PG 1553+113 is an attractive target du…
Unveiling the periodic variability patterns of the X-ray emission from the blazar PG 1553+113 Open
The search for periodicity in the multi-wavelength high variable emission of blazars is a key feature to understand dynamical processes at work in this class of active galactic nuclei. The blazar PG 1553+113 is an attractive target due to …
View article: Status of the SST Camera for the Cherenkov Telescope Array
Status of the SST Camera for the Cherenkov Telescope Array Open
The Cherenkov Telescope Array will be the next generation ground-based gamma ray observatory in the energy range from few tens of GeV to hundreds of TeV. It will be built on two sites, one for each hemisphere, to cover the entire sky. The …
View article: Chasing Gravitational Waves with the Cherenkov Telescope Array
Chasing Gravitational Waves with the Cherenkov Telescope Array Open
The detection of gravitational waves from a binary neutron star merger by\nAdvanced LIGO and Advanced Virgo (GW170817), along with the discovery of the\nelectromagnetic counterparts of this gravitational wave event, ushered in a new\nera o…
View article: The ASTRI Mini-Array observations of TeV transient events
The ASTRI Mini-Array observations of TeV transient events Open
After about five years since the first detection of a very high energy (VHE) emission component from gamma-ray bursts (GRBs), efforts in improving the follow-up observation programs on transient events by the most important VHE instruments…
Intergalactic magnetic field studies by means of the gamma-ray emission from GRB 190114C Open
The origin of the large-scale magnetic fields in the Universe is one of the long-standing problem in cosmology. To discriminate among the different explanations it is crucial measuring the magnetic field in the voids among the galaxies (IG…
Intergalactic magnetic field studies by means of -ray emission from GRB 190114C Open
The presence of delayed GeV emission after a strong transient, such as a gamma-ray burst (GRB), in the very-high energy (VHE) $E>100\text{ }\text{ }\mathrm{GeV}$ band can be the signature of a nonzero magnetic field in the intergalactic me…
Intergalactic magnetic field studies by means of $γ$-ray emission from GRB 190114C Open
The presence of delayed GeV emission after a strong transient, such as a GRB (Gamma-Ray Burst), in the VHE (Very-High Energy, $E>100$ GeV) band can be the signature of a non-zero magnetic field in the intergalactic medium. We used a synchr…
View article: Theoretical implications on the very high energy emission from GRB 190114C
Theoretical implications on the very high energy emission from GRB 190114C Open
International audience
Galactic observatory science with the ASTRI Mini-Array at the Observatorio del Teide Open
The ASTRI (Astrofisica con Specchi a Tecnologia Replicante Italiana)\nMini-Array will be composed of nine imaging atmospheric Cherenkov telescopes at\nthe Observatorio del Teide site. The array will be best suited for\nastrophysical observ…
View article: arXiv : Combined searches for dark matter in dwarf spheroidal galaxies observed with the MAGIC telescopes, including new data from Coma Berenices and Draco
arXiv : Combined searches for dark matter in dwarf spheroidal galaxies observed with the MAGIC telescopes, including new data from Coma Berenices and Draco Open
Milky Way dwarf spheroidal galaxies (dSphs) are among the best candidates to search for signals of dark matter annihilation with Imaging Atmospheric Cherenkov Telescopes, given their high mass-to-light ratios and the fact that they are fre…
View article: Searching for very-high-energy electromagnetic counterparts to gravitational-wave events with the Cherenkov Telescope Array
Searching for very-high-energy electromagnetic counterparts to gravitational-wave events with the Cherenkov Telescope Array Open
The detection of electromagnetic (EM) emission following the gravitational wave (GW) event GW170817 opened the era of multi-messenger astronomy with GWs and provided the first direct evidence that at least a fraction of binary neutron star…
TeV Transients with the ASTRI Mini-Array: a case study with GRB 190114C Open
The recent discovery of a teraelectronvolt (TeV) component in a few long GRBs and possibly in the short GRB 160821B, deepened the insight on GRB physics and opened the new TeV window in their observation, and in the study of the multi-mess…
Follow-up observations of GW170817 with the MAGIC telescopes Open
The discovery of the electromagnetic counterpart AT2017gfo and the GRB 170817A, associated to the binary neutron star merger GW170817, was one of the major advances in the study of gamma- ray bursts (GRBs) and the hallmark of the multi-mes…
View article: Shedding light on the highest energy emission from GRBs with MAGIC observations
Shedding light on the highest energy emission from GRBs with MAGIC observations Open
On 14th January 2019, the MAGIC collaboration achieved the first significant detection at TeV energies of a gamma-ray burst (GRB), namely GRB 190114C. This observation sets the first experimental proof of very high energy (VHE, >~100 GeV) …
View article: Probing Dark Matter and Fundamental Physics with the Cherenkov Telescope Array
Probing Dark Matter and Fundamental Physics with the Cherenkov Telescope Array Open
Astrophysical observations provide strong evidence that more than 80% of all matter in the Universe is in the form of dark matter (DM). Two leading candidates of particles beyond the Standard Model that could constitute all or a fraction o…
View article: Multi-messenger and transient astrophysics with the Cherenkov Telescope Array
Multi-messenger and transient astrophysics with the Cherenkov Telescope Array Open
The discovery of gravitational waves, high-energy neutrinos or the very-high-energy counterpart of gamma-ray bursts has revolutionized the high-energy and transient astrophysics community. The development of new instruments and analysis te…
View article: Following up GW Alerts With MAGIC: The Third LIGO/Virgo Observation Run
Following up GW Alerts With MAGIC: The Third LIGO/Virgo Observation Run Open
The first two LIGO and Virgo observation runs have been important milestones in the gravitational wave (GW) field, thanks to the detection of GW signals from ten binary black hole systems and a binary neutron star system. In order to fully…
View article: Following up Transient Sources at Very High Energies with MAGIC
Following up Transient Sources at Very High Energies with MAGIC Open
Several classes of sources are known to emit different messengers. Among them, transient sources are a special case, due to their serendipitous occurrence, time variability and duration on different timescales. They are associated with exp…
View article: MAGIC follow-up of gravitational wave events in the third LIGO/Virgo observation run
MAGIC follow-up of gravitational wave events in the third LIGO/Virgo observation run Open
The search for gravitational wave (GW) signals has been very successful in the first two observing runs (O1 and O2) of the LIGO and Virgo interferometers. In total, eleven GW events were detected [1]: ten from the coalescence of binary bla…
The gravitational wave follow-up program of the Cherenkov Telescope Array Open
The birth of gravitational-wave / electromagnetic astronomy was heralded by the joint observation of gravitational waves (GWs) from a binary neutron star (BNS) merger by Advanced LIGO and Advanced Virgo, GW170817, and of gamma-rays from th…
View article: Following up GW alerts with MAGIC: the third LIGO/Virgo observation run
Following up GW alerts with MAGIC: the third LIGO/Virgo observation run Open
The first two LIGO and Virgo observation runs have been important milestones in the gravitational wave (GW) field, thanks to the detection of GW signals from ten binary black hole systems and a binary neutron star system. In order to fully…
View article: Following up Transient sources at Very High Energies with MAGIC
Following up Transient sources at Very High Energies with MAGIC Open
Several classes of sources are known to emit different messengers. Among them, transient sources are a special case, due to their serendipitous occurrence, time variability and duration on different timescales. They are associated with exp…
View article: All-sky Medium Energy Gamma-ray Observatory: Exploring the Extreme\n Multimessenger Universe
All-sky Medium Energy Gamma-ray Observatory: Exploring the Extreme\n Multimessenger Universe Open
The All-sky Medium Energy Gamma-ray Observatory (AMEGO) is a probe class\nmission concept that will provide essential contributions to multimessenger\nastrophysics in the late 2020s and beyond. AMEGO combines high sensitivity in\nthe 200 k…