197 citations · 1.6k across the 31 of their papers we have counts for
31 papers
Discovery of Very High Energy Gamma Rays from 1ES 1440+122
VERITAS Collaboration, S. Archambault, A. Archer +87
The BL Lacertae object 1ES 1440+122 was observed in the energy range from 85 GeV to 30 TeV by the VERITAS array of imaging atmospheric Cherenkov telescopes. The observations, taken…
Very High Energy outburst of Markarian 501 in May 2009
E. Aliu, S. Archambault, A. Archer +108
The very high energy (VHE; E 100 GeV) blazar Markarian 501 was observed between April 17 and May 5 (MJD 54938--54956), 2009, as part of an extensive multi-wavelength campaign f…
TeV Gamma-ray Observations of The Galactic Center Ridge By VERITAS
A. Archer, W. Benbow, R. Bird +73
The Galactic Center Ridge has been observed extensively in the past by both GeV and TeV gamma-ray instruments revealing a wealth of structure, including a diffuse component as well…
Exceptionally bright TeV flares from the binary LS I +61 303
VERITAS Collaboration, S. Archambault, A. Archer +86
The TeV binary system LS I +61 303 is known for its regular, non-thermal emission pattern which traces the orbital period of the compact object in its 26.5 day orbit around…
VERITAS Collaboration Contributions to the 34th International Cosmic Ray Conference
The VERITAS Collaboration, A. U. Abeysekara, S. Archambault +90
Compilation of papers presented by the VERITAS Collaboration at the 34th International Cosmic Ray Conference (ICRC), held July 30 through August 6, 2015 in The Hague, The Netherlan…
Science Highlights from VERITAS
D. Staszak, A. U. Abeysekara, S. Archambault +88
The Very Energetic Radiation Imaging Telescope Array System (VERITAS) is a ground-based array located at the Fred Lawrence Whipple Observatory in southern Arizona and is one of the…
The 2009 multiwavelength campaign on Mrk 421: Variability and correlation studies
MAGIC Collaboration, J. Aleksić, S. Ansoldi +270
We performed a 4.5-month multi-instrument campaign (from radio to VHE gamma rays) on Mrk421 between January 2009 and June 2009, which included VLBA, F-GAMMA, GASP-WEBT, Swift, RXTE…
Investigating Broadband Variability of the TeV Blazar 1ES 1959+650
E. Aliu, S. Archambault, T. Arlen +92
We summarize broadband observations of the TeV-emitting blazar 1ES 1959+650, including optical R-band observations by the robotic telescopes Super-LOTIS and iTelescope, UV observat…
Unprecedented study of the broadband emission of Mrk 421 during flaring activity in March 2010
The MAGIC Collaboration, J. Aleksić, S. Ansoldi +251
A flare from the TeV blazar Mrk 421, occurring in March 2010, was observed for 13 consecutive days from radio to very high energy (VHE, E > 100 GeV) gamma-rays with MAGIC, VERITAS,…
Multiwavelength observations of Mrk 501 in 2008
MAGIC Collaboration, J. Aleksić, S. Ansoldi +256
Mrk 501 is one of the brightest blazars at TeV energies and has been extensively studied since its first VHE detection in 1996. Our goal is to characterize in detail the source gam…
Investigating the TeV Morphology of MGRO J1908+06 with VERITAS
E. Aliu, S. Archambault, T. Aune +85
We report on deep observations of the extended TeV gamma-ray source MGRO J1908+06 made with the VERITAS very high energy (VHE) gamma-ray observatory. Previously, the TeV emission h…
Observation of Markarian 421 in TeV gamma rays over a 14-year time span
V. A. Acciari, T. Arlen, T. Aune +73
The variability of the blazar Markarian 421 in TeV gamma rays over a 14-year time period has been explored with the Whipple 10 m telescope. It is shown that the dynamic range of it…
Multiwavelength observations and modeling of 1ES 1959+650 in a low flux state
VERITAS Collaboration, E. Aliu, S. Archambault +82
We report on the VERITAS observations of the high-frequency peaked BL Lac object 1ES 1959+650 in the period 2007-2011. This source is detected at TeV energies by VERITAS at 16.4 st…
Discovery of TeV Gamma-ray Emission Toward Supernova Remnant SNR G78.2+2.1
E. Aliu, S. Archambault, T. Arlen +97
We report the discovery of an unidentified, extended source of very-high-energy (VHE) gamma-ray emission, VER J2019+407, within the radio shell of the supernova remnant SNR G78.2+2…
Discovery of TeV Gamma-ray Emission from CTA 1 by VERITAS
E. Aliu, S. Archambault, T. Arlen +88
We report the discovery of TeV gamma-ray emission coincident with the shell-type radio supernova remnant (SNR) CTA 1 using the VERITAS gamma-ray observatory. The source, VER J0006+…
VERITAS Observations of Six Bright, Hard-Spectrum Fermi-LAT Blazars
E. Aliu, S. Archambault, T. Arlen +84
We report on VERITAS very-high-energy (VHE; E>100 GeV) observations of six blazars selected from the Fermi Large Area Telescope First Source Catalog (1FGL). The gamma-ray emission…
Search for a correlation between very-high-energy gamma rays and giant radio pulses in the Crab pulsar
E. Aliu, S. Archambault, T. Arlen +87
We present the results of a joint observational campaign between the Green Bank radio telescope and the VERITAS gamma-ray telescope, which searched for a correlation between the em…
Constraints on Cosmic Rays, Magnetic Fields, and Dark Matter from Gamma-Ray Observations of the Coma Cluster of Galaxies with VERITAS and Fermi
T. Arlen, T. Aune, M. Beilicke +81
Observations of radio halos and relics in galaxy clusters indicate efficient electron acceleration. Protons should likewise be accelerated, suggesting that clusters may also be sou…
Multiwavelength observations of the AGN 1ES 0414+009 with VERITAS, Fermi-LAT, Swift-XRT, and MDM
E. Aliu, S. Archambault, T. Arlen +85
We present observations of the BL Lac object 1ES 0414+009 in the >200 GeV gamma-ray band by the VERITAS array of Cherenkov telescopes. 1ES 0414+009 was observed by VERITAS between…
VERITAS Observations of the Nova in V407 Cygni
E. Aliu, S. Archambault, T. Arlen +92
We report on very high energy (E > 100 GeV) gamma-ray observations of V407 Cygni, a symbiotic binary that underwent a nova outburst producing 0.1-10 GeV gamma rays during 2010 Marc…
Discovery of High-energy and Very High Energy Gamma-ray Emission from the Blazar RBS 0413
VERITAS Collaboration, E. Aliu, S. Archambault +93
We report on the discovery of high-energy (HE; E > 0.1 GeV) and very high-energy (VHE; E > 100 GeV) gamma-ray emission from the high-frequency-peaked BL Lac object RBS 0413. VERITA…
VERITAS Deep Observations of the Dwarf Spheroidal Galaxy Segue 1
E. Aliu, S. Archambault, T. Arlen +90
The VERITAS array of Cherenkov telescopes has carried out a deep observational program on the nearby dwarf spheroidal galaxy Segue 1. We report on the results of nearly 48 hours of…
VERITAS Observations of day-scale flaring of M87 in 2010 April
E. Aliu, T. Arlen, T. Aune +88
VERITAS has been monitoring the very-high-energy (VHE; >100GeV) gamma-ray activity of the radio galaxy M87 since 2007. During 2008, flaring activity on a timescale of a few days wa…
VERITAS Collaboration Contributions to the 32nd International Cosmic Ray Conference
The VERITAS Collaboration, E. Aliu, T. Arlen +96
Compilation of papers contributed by the VERITAS Collaboration to the 32nd International Cosmic Ray Conference, held 11-18 August 2011 in Beijing, China.