E. Prandini
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View article: 1FLAT: A <tt>Firmamento</tt> -based Catalog of Active Galactic Nuclei in Fermi-LAT High-Galactic-latitude <i>γ</i> -Ray Sources
1FLAT: A Firmamento -based Catalog of Active Galactic Nuclei in Fermi-LAT High-Galactic-latitude <i>γ</i> -Ray Sources Open
We present a systematic reassessment of 5062 high-Galactic-latitude γ -ray sources from the Fermi-Large Area Telescope (LAT) 4FGL-DR4 catalog using Firmamento , a web-based platform for multifrequency source discovery and analysis. Our goa…
View article: Detection of quasi-periodic oscillations in the γ-ray light curve of 4FGL J0309.9–6058
Detection of quasi-periodic oscillations in the γ-ray light curve of 4FGL J0309.9–6058 Open
In this work, we report, for the first time, a quasi-periodic oscillation (QPO) in the $\gamma$-ray band of 4FGL J0309.9–6058, also known as PKS 0308–611. We employed three analytical methods (the Lomb–Scargle periodogram, REDFIT, and the …
View article: Insight into the Jet Emission Properties from Long-Term Monitoring of the TeV Blazar PG 1553+113
Insight into the Jet Emission Properties from Long-Term Monitoring of the TeV Blazar PG 1553+113 Open
PG 1553+113 is a distant TeV blazar known for its ~2.2-year periodic gamma-ray signal detected with Fermi-LAT. We present results from a decade-long, multiwavelength monitoring campaign of this source. Our analysis confirms the periodicity…
View article: SkyNET-scape Room: An Escape Room to Explore Astroparticle Physics
SkyNET-scape Room: An Escape Room to Explore Astroparticle Physics Open
Innovative science communication is key to engaging the public with complex topics such as astroparticle physics. As part of the Italian PRIN 2022 funding initiative, we are developing SkyNET-scape Room, an interactive escape room designed…
View article: Exploring the Most Extreme Blazars: New Insights from MAGIC
Exploring the Most Extreme Blazars: New Insights from MAGIC Open
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 blazars, synchrotron emission peaking above keV energies is…
View article: SkyNET-scape Room: An Escape Room to Explore Astroparticle Physics
SkyNET-scape Room: An Escape Room to Explore Astroparticle Physics Open
Innovative science communication is key to engaging the public with complex topics such as astroparticle physics. As part of the Italian PRIN 2022 funding initiative, we are developing SkyNET-scape Room, an interactive escape room designed…
View article: Search for Short Timescale Variability in PG1553+113 with LST-1 of CTAO
Search for Short Timescale Variability in PG1553+113 with LST-1 of CTAO Open
PG 1553+113 is a high-frequency peaked BL Lac object (HBL), with redshift 0.433, detected with the current generation of IACTs (Imaging Atmospheric Cherenkov Telescopes) up to $\sim$ 1 TeV. Interestingly, the continuous $γ$-ray lightcurve …
View article: Exploring cosmic rays with educational outreach activities: a long-term study of the correlation between atmospheric conditions and muon counts
Exploring cosmic rays with educational outreach activities: a long-term study of the correlation between atmospheric conditions and muon counts Open
The Earth atmosphere is constantly reached by cosmic rays, i.e. energetic and subatomic particles coming from all directions from space. A muon telescope is housed at the Legnaro National Laboratories (LNL) of the Italian Istituto Nazional…
View article: Searching for TeV-emitting candidates among the X-ray bright blazar population
Searching for TeV-emitting candidates among the X-ray bright blazar population Open
The purpose of this work is to estimate if, among the blazars not detected by the Fermi –LAT, a population of TeV emitting sources could be detected by current or future Cherenkov telescopes. We cross-matched the 5BZCAT catalog of blazars …
View article: A new look at the extragalactic very high energy sky: Searching for TeV-emitting candidates among the X-ray-bright, non-Fermi-detected blazar population
A new look at the extragalactic very high energy sky: Searching for TeV-emitting candidates among the X-ray-bright, non-Fermi-detected blazar population Open
We present the results of a multiwavelength study of blazars selected from the fifth ROMABZCAT catalog. We selected from this sample a subsample of 2435 objects that have at least one counterpart in one of the three main archival X-ray cat…
View article: A new look at the extragalactic Very High Energy sky: searching for TeV-emitting candidates among the X-ray bright, non-Fermi detected blazar population
A new look at the extragalactic Very High Energy sky: searching for TeV-emitting candidates among the X-ray bright, non-Fermi detected blazar population Open
We present the results of a multi-wavelength study of blazars selected from the 5th ROMABZCAT catalog. We selected from this sample a subsample of 2435 objects having at least one counterpart in one of the three main archival X-ray catalog…
View article: Prospects for detection of the pair-echo emission from TeV gamma-ray bursts
Prospects for detection of the pair-echo emission from TeV gamma-ray bursts Open
The intergalactic magnetic field (IGMF) present in the voids of large-scale structures is considered to be the weakest magnetic field in the Universe. Gamma-ray observations of blazars in the GeV–TeV domain have led to lower limits on the …
View article: Educational outreach activities on cosmic rays: investigate the correlation between muon counts and atmospheric parameters
Educational outreach activities on cosmic rays: investigate the correlation between muon counts and atmospheric parameters Open
Cosmic rays are energetic, subatomic particles constantly reaching the Earth atmosphere from all\ndirections. Several technological tools currently available can be used to introduce the students\nto research activities in the particle phy…
View article: A prototype tank for the SWGO detector
A prototype tank for the SWGO detector Open
The Southern Wide-field Gamma-ray Observatory (SWGO) is an international collaboration working on realizing a next-generation observatory located in the Southern hemisphere, which offers a privileged view of our galactic center. We are wor…
View article: Prospects for VHE monitoring of gamma-ray bursts with SWGO
Prospects for VHE monitoring of gamma-ray bursts with SWGO Open
It has been established that Gamma-Ray Bursts (GRB) can produce Very High Energy radiation (VHE, E > 100 GeV), opening a new window for investigating particle acceleration and radiation properties in the most energetic domain. We expect th…
View article: A prototype tank for the SWGO detector
A prototype tank for the SWGO detector Open
The Southern Wide-field Gamma-ray Observatory (SWGO) is an international collaboration working on realizing a next-generation observatory located in the Southern hemisphere, which offers a privileged view of our galactic center. We are wor…
View article: Gamma rays: propagation and detection
Gamma rays: propagation and detection Open
Gamma rays constitute a privileged point of view for the study of the extreme Universe. Unlike charged cosmic rays, which are thought to have a common origin, gamma rays are not deflected by galactic and intergalactic magnetic fields. This…
View article: The Blazar Sequence and Its Physical Understanding
The Blazar Sequence and Its Physical Understanding Open
Introduced in 1998 to attempt a first unified view of the broad-band emission properties of blazars, the blazar sequence has been extensively used in the past 25 years to guide observations as well as the physical interpretation of the ove…
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: Gamma-ray burst detection prospects for next generation ground-based VHE facilities
Gamma-ray burst detection prospects for next generation ground-based VHE facilities Open
Gamma-ray Bursts (GRB) were discovered by satellite-based detectors as powerful sources of transient γ-ray emission. The Fermi satellite detected an increasing number of these events with its dedicated Gamma-ray Burst Monitor (GBM), some o…
View article: Extreme blazars under the eyes of MAGIC
Extreme blazars under the eyes of MAGIC Open
Extreme high-frequency-peaked BL Lac objects (EHBLs) are the most energetic persistent sources in the universe. This contribution reports on long-term observing campaigns of tens of EHBLs that have been organized by the MAGIC collaboration…
View article: Extreme19: when art and science make the front page
Extreme19: when art and science make the front page Open
Back in mid 2018, we were organizing eXtreme19, a conference on astro-particle physics held in Padova on the topic of extremely energetic emission from galaxies. For the preparation of the graphical material in support of the conference we…
View article: The Sub-TeV transient Gamma-Ray sky: challenges and opportunities
The Sub-TeV transient Gamma-Ray sky: challenges and opportunities Open
The detections of $\gamma$-ray sources coincident with a Gravitational Wave event and an ultra-energetic neutrino officially started the era of multi-messenger astrophysics. These two ground-breaking announcements demonstrated that monitor…
View article: MAGIC and MWL monitoring of the blazar TXS 0506+056 in the 2018/2019 season
MAGIC and MWL monitoring of the blazar TXS 0506+056 in the 2018/2019 season Open
The gamma-ray blazar TXS 0506+056, was discovered in VHE gamma-rays by the MAGIC telescopes in 2017 in a follow-up campaign of a high energy neutrino event IceCube-170922A (IC+Fermi+MAGIC++, Science 361, eaat1378 (2018)). Subsequent multiv…
View article: Toward a Public MAGIC Gamma-Ray Telescope Legacy Data Portal
Toward a Public MAGIC Gamma-Ray Telescope Legacy Data Portal Open
The MAGIC telescopes are one of the three major IACTs (Imaging Atmospheric Cherenkov Telescopes) for observation of gamma rays in the TeV regime currently operative. MAGIC functions since 2003, and has published data from more than 60 sour…
View article: MAGIC eyes to the extreme: testing the blazar emission models on EHBLs
MAGIC eyes to the extreme: testing the blazar emission models on EHBLs Open
Extreme high-energy peaked BL Lac objects (EHBLs) are blazars whose synchrotron emission peaks at exceptionally high energies, above few keV, in the hard X-ray regime. So far, only a handful of those objects has been detected at very high …
View article: Testing blazar emission models on the extreme blazar PGC 2402248, newly discovered at very high energies with the MAGIC telescopes
Testing blazar emission models on the extreme blazar PGC 2402248, newly discovered at very high energies with the MAGIC telescopes Open
Extreme high-energy peaked BL Lac objects (EHBLs) are a new emerging class of blazars. The typical two-hump structured spectral energy distribution (SED) is shifted to higher energies with respect to other more established classes of blaza…