26 citations · 177 across the 19 of their papers we have counts for
23 papers
A multi-wavelength study to decipher the 2017 flare of the blazar OJ 287
A. Acharyya, C. B. Adams, A. Archer +71
In February 2017, the blazar OJ~287 underwent a period of intense multiwavelength activity. It reached a new historic peak in the soft X-ray (0.3-10 keV) band, as measured by Swift…
Multiwavelength Investigation of -ray Source MGRO J1908+06 Emission Using Fermi-LAT, VERITAS, and HAWC
The VERITAS collaboration, The HAWC collaboration, LAT collaboration
This paper investigates the origin of the -ray emission from MGRO J1908+06 in the GeV-TeV energy band. By analyzing the data collected by {\it Fermi}-LAT, VERITAS, and HAWC, wit…
An Angular Diameter Measurement of UMa via Stellar Intensity Interferometry with the VERITAS Observatory
A. Acharyya, J. P. Aufdenberg, P. Bangale +44
We use the VERITAS imaging air Cherenkov Telescope (IACT) array to obtain the first measured angular diameter of UMa at visual wavelengths using stellar intensity interferometr…
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.
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…
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…
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…
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…
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…
Multimessenger Approaches to Supermassive Black Hole Binary Detection and Parameter Estimation II: Optimal Strategies for a Pulsar Timing Array
Tingting Liu, Tyler Cohen, Casey McGrath +2
Pulsar timing arrays (PTAs) are Galactic-scale gravitational wave (GW) detectors consisting of precisely-timed pulsars distributed across the sky. Within the decade, PTAs are expec…
Gamma-ray observations of MAXI J1820+070 during the 2018 outburst
H. Abe, S. Abe, V. A. Acciari +439
MAXI J1820+070 is a low-mass X-ray binary with a black hole as a compact object. This binary underwent an exceptionally bright X-ray outburst from March to October 2018, showing ev…
Measuring the Hubble Constant with Double Gravitational Wave Sources in Pulsar Timing
Casey McGrath, Daniel J. D'Orazio, Jolien Creighton
Pulsar timing arrays (PTAs) are searching for gravitational waves from supermassive black hole binaries (SMBHBs). Here we show how future PTAs could use a detection of gravitationa…
The throughput calibration of the VERITAS telescopes
C. B. Adams, W. Benbow, A. Brill +42
Context. The response of imaging atmospheric Cherenkov telescopes to incident γ-ray-initiated showers in the atmosphere changes as the telescopes age due to exposure to light and w…
Variability and Spectral Characteristics of Three Flaring Gamma-ray Quasars Observed by VERITAS and Fermi-LAT
C. B. Adams, J. Batshoun, W. Benbow +63
Flat spectrum radio quasars (FSRQs) are the most luminous blazars at GeV energies, but only rarely emit detectable fluxes of TeV gamma rays, typically during bright GeV flares. We…
Multi-Wavelength Observation Campaign of the TeV Gamma-Ray Binary HESS J0632+057 with NuSTAR, VERITAS, MDM, and Swift
Y. M. Tokayer, H. An, J. P. Halpern +53
HESS J0632+057 belongs to a rare subclass of binary systems which emits gamma-rays above 100 GeV. It stands out for its distinctive high-energy light curve, which features a sharp…
Observation of the gamma-ray binary HESS J0632+057 with the H.E.S.S., MAGIC, and VERITAS telescopes
C. B. Adams, W. Benbow, A. Brill +409
The results of gamma-ray observations of the binary system HESS J0632+057 collected during 450 hours over 15 years, between 2004 and 2019, are presented. Data taken with the atmosp…
VERITAS contributions to the 37th International Cosmic Ray Conference
C. B. Adams, A. Archer, W. Benbow +58
Compilation of papers presented by the VERITAS Collaboration at the 37th International Cosmic Ray Conference (ICRC), held July 12 through July 23, 2021 (online) in Berlin, Germany.
Gravitational Wave Timing Residual Models for Pulsar Timing Experiments
Casey McGrath
Pulsar timing experiments are currently searching for gravitational waves, and this dissertation focuses on the development and study of the pulsar timing residual models used for…
The throughput calibration of the VERITAS telescopes
M. Nievas Rosillo
Imaging atmospheric Cherenkov telescopes are continuously exposed to varying weather conditions that have short and long-term effects on their response to Cherenkov light from exte…
VTSCat - The VERITAS Catalog of Gamma Ray Observations
Sameer Patel, Gernot Maier, Philip Kaaret
We present a catalog of results of gamma-ray observations made by VERITAS, published from 2008 to 2020. VERITAS is a ground based imaging atmospheric Cherenkov telescope observator…
An Archival Search for Neutron-Star Mergers in Gravitational Waves and Very-High-Energy Gamma Rays
C. B. Adams, W. Benbow, A. Brill +59
The recent discovery of electromagnetic signals in coincidence with neutron-star mergers has solidified the importance of multimessenger campaigns in studying the most energetic as…
A Search for TeV Gamma-ray Emission from Pulsar Tails by VERITAS
Wystan Benbow, A. Brill, James Buckley +56
We report on the search for very-high-energy gamma-ray emission from the regions around three nearby supersonic pulsars (PSR B0355+54, PSR J0357+3205 and PSR J1740+1000) that exhib…
Fresnel Models for Gravitational Wave Effects on Pulsar Timing
Casey McGrath, Jolien Creighton
Merging supermassive black hole binaries produce low-frequency gravitational waves, which pulsar timing experiments are searching for. Much of the current theory is developed withi…