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U. Barres de Almeida

Centro Brasileiro de Pesquisas Físicas ·
Area of research
Nuclear and High Energy Physics · Astronomy and Astrophysics
Research interest
Research interests include Astrophysics and Cosmic Phenomena, Gamma-ray bursts and supernovae, Dark Matter and Cosmic Phenomena, and Radio Astronomy Observations and Technology.
h-index
59
citations
13,063
works
475
NIH funding
primary concept
email

Recent publications

Characterization of Markarian 421 during its most violent year: Multiwavelength variability and correlations
Astronomy and Astrophysics 2025cited by 8position: middledoi
Galactic transient sources with the Cherenkov Telescope Array Observatory
Monthly Notices of the Royal Astronomical Society 2025cited by 6position: middledoi
Constraints on axion-like particles with the Perseus Galaxy Cluster with MAGIC
Physics of the Dark Universe 2024cited by 20position: middledoi
Performance and first measurements of the MAGIC stellar intensity interferometer
Monthly Notices of the Royal Astronomical Society 2024cited by 20position: middledoi
Observations of the Crab Nebula and Pulsar with the Large-sized Telescope Prototype of the Cherenkov Telescope Array
The Astrophysical Journal 2023cited by 43position: middledoi
Multimessenger Characterization of Markarian 501 during Historically Low X-Ray and γ-Ray Activity
The Astrophysical Journal Supplement Series 2023cited by 29position: middledoi
MAGIC detection of GRB 201216C at<i>z</i> = 1.1
Monthly Notices of the Royal Astronomical Society 2023cited by 22position: middledoi
Search for Gamma-Ray Spectral Lines from Dark Matter Annihilation up to 100 TeV toward the Galactic Center with MAGIC
Physical Review Letters 2023cited by 22position: middledoi
Sensitivity of the Cherenkov Telescope Array to spectral signatures of hadronic PeVatrons with application to Galactic Supernova Remnants
Astroparticle Physics 2023cited by 18position: middledoi
Sensitivity of the Cherenkov Telescope Array to TeV photon emission from the Large Magellanic Cloud
Monthly Notices of the Royal Astronomical Society 2023cited by 13position: middledoi
An update on site search activities for SWGO
2023cited by 3position: middledoi
A lower bound on intergalactic magnetic fields from time variability of 1ES 0229+200 from MAGIC and<i>Fermi</i>/LAT observations
Astronomy and Astrophysics 2022cited by 81position: middledoi
Proton acceleration in thermonuclear nova explosions revealed by gamma rays
Nature Astronomy 2022cited by 63position: middledoi
MAGIC observations provide compelling evidence of hadronic multi-TeV emission from the putative PeVatron SNR G106.3+2.7
Astronomy and Astrophysics 2022cited by 28position: middledoi
Investigating the Blazar TXS 0506+056 through Sharp Multiwavelength Eyes During 2017–2019
The Astrophysical Journal 2022cited by 26position: middledoi
Gamma-ray observations of MAXI J1820+070 during the 2018 outburst
Monthly Notices of the Royal Astronomical Society 2022cited by 12position: middledoi
Multiwavelength Observations of the Blazar VER J0521+211 during an Elevated TeV Gamma-Ray State
The Astrophysical Journal 2022cited by 8position: middledoi
Sensitivity of the Cherenkov Telescope Array to a dark matter signal from the Galactic centre
Journal of Cosmology and Astroparticle Physics 2021cited by 123position: middledoi
Investigation of the correlation patterns and the Compton dominance variability of Mrk 421 in 2017
Astronomy and Astrophysics 2021cited by 44position: middledoi
Combined searches for dark matter in dwarf spheroidal galaxies observed with the MAGIC telescopes, including new data from Coma Berenices and Draco
Physics of the Dark Universe 2021cited by 42position: middledoi
Observation of the Gamma-Ray Binary HESS J0632+057 with the H.E.S.S., MAGIC, and VERITAS Telescopes
The Astrophysical Journal 2021cited by 24position: middledoi
Searching for VHE gamma-ray emission associated with IceCube neutrino alerts using FACT, H.E.S.S., MAGIC, and VERITAS
Proceedings of 37th International Cosmic Ray Conference — PoS(ICRC2021) 2021cited by 10position: middledoi
Bounds on Lorentz Invariance Violation from MAGIC Observation of GRB 190114C
Physical Review Letters 2020cited by 95position: middledoi
New Hard-TeV Extreme Blazars Detected with the MAGIC Telescopes*
The Astrophysical Journal Supplement Series 2020cited by 57position: middledoi
Monitoring of the radio galaxy M 87 during a low-emission state from 2012 to 2015 with MAGIC
Monthly Notices of the Royal Astronomical Society 2020cited by 49position: middledoi
Detection of the Geminga pulsar with MAGIC hints at a power-law tail emission beyond 15 GeV
Astronomy and Astrophysics 2020cited by 48position: middledoi
Unraveling the Complex Behavior of Mrk 421 with Simultaneous X-Ray and VHE Observations during an Extreme Flaring Activity in 2013 April <sup>*</sup>
The Astrophysical Journal Supplement Series 2020cited by 45position: middledoi
Broadband characterisation of the very intense TeV flares of the blazar 1ES 1959+650 in 2016
Astronomy and Astrophysics 2020cited by 44position: middledoi
The Great Markarian 421 Flare of 2010 February: Multiwavelength Variability and Correlation Studies
The Astrophysical Journal 2020cited by 43position: middledoi
Multiwavelength variability and correlation studies of Mrk 421 during historically low X-ray and γ-ray activity in 2015–2016
Monthly Notices of the Royal Astronomical Society 2020cited by 36position: middledoi

Grants

No grants ingested yet.

Frequent collaborators

R. Moradi · University of Ferrara5 papers (2016–2018) · 5 papers (2016–2018)Marco Muccino · Twitter (United States)5 papers (2016–2018) · 5 papers (2016–2018)Christian Cherubini · Università Campus Bio-Medico5 papers (2016–2018) · 5 papers (2016–2018)Simonetta Filippi · Università Campus Bio-Medico5 papers (2016–2018) · 5 papers (2016–2018)R. Ruffini · University of Ferrara5 papers (2016–2018) · 5 papers (2016–2018)J. A. Rueda · Al-Farabi Kazakh National University4 papers (2016–2018)Yu Wang · The First Affiliated Hospital, Sun Yat-sen University4 papers (2016–2018) · 2 papers (2016–2018) · 2 papers (2017–2017) · 2 papers (2017–2017) · 2 papers (2017–2017) · 2 papers (2016–2018) · 2 papers (2017–2017) · 2 papers (2016–2018) · 2 papers (2017–2017)