activity
20132026
most citedAcceleration of petaelectronvolt protons in the Galactic Centre

512 citations · 5.1k across the 153 of their papers we have counts for

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Showing 2023Show all

17 papers · 1 filter

astro-ph.HE2023

Lost in the curve: Investigating the disappearing knots in the blazar 3C 454.3

Efthalia Traianou, Thomas P. Krichbaum, José L. Gómez +21

One of the most well-known extragalactic sources in the sky, quasar 3C 454.3, shows a curved parsec-scale jet that has been exhaustively monitored with very-long-baseline interfero…

astro-ph.HE2023

VERITAS contributions to the 38th International Cosmic Ray Conference

A. Acharyya, C. B. Adams, A. Archer +61

Compilation of papers presented by the VERITAS Collaboration at the 38th International Cosmic Ray Conference (ICRC), held July 26 through August 3, 2023 in Nagoya, Japan.

astro-ph.HE2023

TELAMON: Effelsberg Monitoring of AGN Jets with Very-High-Energy Astroparticle Emissions -- Polarization properties

J. Heßdörfer, M. Kadler, P. Benke +33

We present recent results of the TELAMON program, which is using the Effelsberg 100-m telescope to monitor the radio spectra of active galactic nuclei (AGN) under scrutiny in astro…

astro-ph.HE2023

A multi-wavelength investigation of PSR J2229+6114 and its pulsar wind nebula in the radio, X-ray, and gamma-ray bands

I. Pope, K. Mori, M. Abdelmaguid +57

G106.32.7, commonly considered a composite supernova remnant (SNR), is characterized by a boomerang-shaped pulsar wind nebula (PWN) and two distinct ("head" & "tail") regions in…

astro-ph.HE2023★ 14 cited

Prospects for a survey of the Galactic plane with the Cherenkov Telescope Array

CTA Consortium

Approximately one hundred sources of very-high-energy (VHE) gamma rays are known in the Milky Way. A survey of the entire Galactic Plane in the energy range from a few tens of GeV…

astro-ph.HE2023★ 9 cited

Prospects for -ray observations of the Perseus galaxy cluster with the Cherenkov Telescope Array

The Cherenkov Telescope Array Consortium, :, K. Abe +564

Galaxy clusters are expected to be dark matter (DM) reservoirs and storage rooms for the cosmic-ray protons (CRp) that accumulate along the cluster's formation history. Accordingly…

astro-ph.IM2023

Exploring the Potential of the Pulsed Laser onboard the CALIPSO Satellite to Improve Calibration with VERITAS

Gregory Foote

Imaging Atmospheric Cherenkov Telescopes (IACTs) are used to detect bright nanosecond-duration flashes of optical light originating from interactions of cosmic/gamma-rays in the at…

astro-ph.IM2023★ 2 cited

PeV Gamma-ray Astronomy With Panoramic Optical SETI Telescopes

Nikolas Korzoun, Wystan Benbow, Aaron Brown +13

The Panoramic Search for Extraterrestrial Intelligence (PANOSETI) experiment is designed to detect pulsed optical signals on nanosecond timescales. PANOSETI is therefore sensitive…

astro-ph.HE2023

Multiwavelength Observations of the Blazar PKS~0735+178 in Spatial and Temporal Coincidence with an Astrophysical Neutrino Candidate IceCube-211208A

M. Pohl, K. Mori

We report on multiwavelength target-of-opportunity observations of the blazar PKS 0735+178, located 2.2 degrees away from the best-fit position of the IceCube neutrino event 211208…

astro-ph.HE2023

Bjet_MCMC: A new tool to automatically fit the broadband SEDs of blazars

Olivier Hervet, Caitlin A. Johnson, Adrian Youngquist

Multiwavelength observations are now the norm for studying blazars' various states of activity, classifying them, and determining possible underlying physical processes driving the…

astro-ph.HE2023

Multiwavelength Observations of the Blazar PKS 0735+178 in Spatial and Temporal Coincidence with an Astrophysical Neutrino Candidate IceCube-211208A

A. Acharyya, C. B. Adams, A. Archer +207

We report on multiwavelength target-of-opportunity observations of the blazar PKS 0735+178, located 2.2 away from the best-fit position of the IceCube neutrino event IceCub…

astro-ph.IM2023★ 5 cited

A VERITAS/Breakthrough Listen Search for Optical Technosignatures

Atreya Acharyya, Colin Adams, Avery Archer +65

The Breakthrough Listen Initiative is conducting a program using multiple telescopes around the world to search for "technosignatures": artificial transmitters of extraterrestrial…

astro-ph.HE2023★ 9 cited

VERITAS discovery of very high energy gamma-ray emission from S3 1227+25 and multiwavelength observations

Atreya Acharyya, Colin Adams, Avery Archer +68

We report the detection of very high energy gamma-ray emission from the blazar S3 1227+25 (VER J1230+253) with the Very Energetic Radiation Imaging Telescope Array System (VERITAS)…

astro-ph.HE2023★ 4 cited

STeVECat, the Spectral TeV Extragalactic Catalog

Lucas Gréaux, Jonathan Biteau, Tarek Hassan +3

The three main collaborations operating the current generation of imaging atmospheric Cherenkov telescopes (IACTs: H.E.S.S., MAGIC, VERITAS) publish their gamma-ray data in differe…

astro-ph.HE2023★ 23 cited

Search for Ultraheavy Dark Matter from Observations of Dwarf Spheroidal Galaxies with VERITAS

A. Acharyya, A. Archer, P. Bangale +51

Dark matter is a key piece of the current cosmological scenario, with weakly interacting massive particles (WIMPs) a leading dark matter candidate. WIMPs have not been detected in…

astro-ph.HE2023★ 7 cited

VERITAS and Fermi-LAT constraints on the Gamma-ray Emission from Superluminous Supernovae SN2015bn and SN2017egm

A. Acharyya, C. B. Adams, P. Bangale +56

Superluminous supernovae (SLSNe) are a rare class of stellar explosions with luminosities ~10-100 times greater than ordinary core-collapse supernovae. One popular model to explain…

astro-ph.HE2023★ 12 cited

VTSCat: The VERITAS Catalog of Gamma-Ray Observations

A. Acharyya, C. B. Adams, A. Archer +86

The ground-based gamma-ray observatory VERITAS (Very Energetic Radiation Imaging Telescope Array System) is sensitive to photons of astrophysical origin with energies in the range…