Related papers: VERITAS observations of the Cygnus Region

VERITAS highlights of observations and results

Located in southern Arizona, VERITAS is amongst the most sensitive detectors for astrophysical very high energy (VHE; E>100 GeV) gamma rays and has been operational since April 2007. We highlight some recent results from VERITAS…

High Energy Astrophysical Phenomena · Physics 2022-12-21 S. R. Patel

VERITAS Detection of LS 5039 and HESS J1825-137

With 8 hours of observations, VERITAS confirms the detection of two very high energy gamma-ray sources. The gamma-ray binary LS 5039 is detected with a statistical significance of $8.8\sigma$. The measured flux above 1 TeV is $(2.5 \pm 0.4)…

High Energy Astrophysical Phenomena · Physics 2020-01-13 VERITAS Collaboration , A. U. Abeysekara , W. Benbow , R. Bird , R. Brose , J. L. Christiansen , A. J. Chromey , W. Cui , M. K. Daniel , A. Falcone , L. Fortson , D. Hanna , T. Hassan , O. Hervet , J. Holder , G. Hughes , T. B. Humensky , P. Kaaret , P. Kar , N. Kelley-Hoskins , M. Kertzman , D. Kieda , M. Krause , M. J. Lang , G. Maier , P. Moriarty , D. Nieto , M. Nievas-Rosillo , R. A. Ong , D. Pandel , M. Pohl , R. R. Prado , E. Pueschel , J. Quinn , K. Ragan , P. T. Reynolds , G. T. Richards , E. Roache , I. Sadeh , M. Santander , G. H. Sembroski , A. Weinstein , P. Wilcox , D. A. Williams , T. J Williamson

Highlights from the VERITAS AGN Observation Program

VERITAS is one of the world's most sensitive detectors of astrophysical VHE (Very High Energy; E > 100 GeV) gamma rays. This array of four 12-m imaging atmospheric-Cherenkov telescopes has operated for ~10 years, and nearly 5000 hours of…

High Energy Astrophysical Phenomena · Physics 2017-09-13 Wystan Benbow , the VERITAS Collaboration

Highlights from the VERITAS AGN Observation Program

VERITAS is one of the world's most sensitive detectors of astrophysical VHE (E $>$ 100 GeV) gamma rays. This array of four 12-m imaging atmospheric-Cherenkov telescopes has operated for 12 years, and $>$6,000 hours of observations have been…

High Energy Astrophysical Phenomena · Physics 2019-09-13 Wystan Benbow

Multi-wavelength study of the MGRO J2019+37

MGRO J2019+37 within the Cygnus region is a bright and extended source revealed by Milagro at 12-35 TeV. This source is almost as bright as Crab Nebula in northern sky, while it is not confirmed by ARGO-YBJ around TeV. Up to now, no obvious…

High Energy Astrophysical Phenomena · Physics 2014-10-30 Chao Hou , Songzhan Chen , Qiang Yuan , Zhen Cao , Huihai He , Xiangdong Sheng

An unidentified TeV source in the vicinity of Cygnus OB2

Deep observation (~113 hrs) of the Cygnus region at TeV energies using the HEGRA stereoscopic system of air Cerenkov telescopes has serendipitously revealed a signal positionally inside the core of the OB association Cygnus OB2, at the edge…

Astrophysics · Physics 2009-11-07 F. A. Aharonian , A. Akhperjanian , M. Beilicke , Y. Uchiyama , T. Takahashi

VERITAS Observations of Mgro J1908+06/Hess J1908+063

The unidentified TeV gamma-ray source MGRO J1908+06/HESS J1908+063 was observed with the VERITAS Imaging Atmospheric Cherenkov Array during October 2007 and May-June 2008. This extended source is located on the galactic plane at a galactic…

Astrophysics · Physics 2019-08-13 John E Ward

A 3-Dimensional Likelihood analysis method for detecting extended sources in VERITAS

Gamma ray observations from a few hundred MeV up to tens of TeV are a valuable tool for studying particle acceleration and diffusion within our galaxy. Constructing a coherent physical picture of particle accelerators such as supernova…

Instrumentation and Methods for Astrophysics · Physics 2019-08-16 Alisha Chromey

Discovery of VHE $\gamma$-ray emission from the SNR G54.1+0.3

We report the discovery of very high energy gamma-ray emission from the direction of the SNR G54.1+0.3 using the VERITAS ground-based gamma-ray observatory. The TeV signal has an overall significance of 6.8$\sigma$ and appears point-like…

High Energy Astrophysical Phenomena · Physics 2016-08-14 V. A. Acciari , E. Aliu , T. Arlen , T. Aune , M. Bautista , M. Beilicke , W. Benbow , D. Boltuch , S. M. Bradbury , J. H. Buckley , V. Bugaev , Y. Butt , K. Byrum , A. Cesarini , L. Ciupik , W. Cui , R. Dickherber , C. Duke , J. P. Finley , G. Finnegan , L. Fortson , A. Furniss , N. Galante , D. Gall , G. H. Gillanders , S. Godambe , E. V. Gotthelf , J. Grube , R. Guenette , G. Gyuk , D. Hanna , J. Holder , C. M. Hui , T. B. Humensky , A. Imran , P. Kaaret , N. Karlsson , M. Kertzman , D. Kieda , A. Konopelko , H. Krawczynski , F. Krennrich , M. J. Lang , S. LeBohec , G. Maier , S. McArthur , A. McCann , M. McCutcheon , P. Moriarty , R. Muhkerjee , R. A. Ong , A. N. Otte , D. Pandel , J. S. Perkins , M. Pohl , J. Quinn , K. Ragan , L. C. Reyes , P. T. Reynolds , E. Roache , H. J. Rose , M. Schroedter , G. H. Sembroski , G. Demet Senturk , P. Slane , A. W. Smith , D. Steele , S. P. Swordy , G. Těsić , M. Theiling , S. Thibadeau , V. V. Vassiliev , S. Vincent , S. P. Wakely , J. E. Ward , T. C. Weekes , A. Weinstein , T. Weisgarber , D. A. Williams , S. Wissel , M. Wood , B. Zitzer

VERITAS Observations Contemporaneous with the LHAASO Detection of NGC 4278

Significant gamma-ray emission between 1 TeV and 20 TeV from a point source, 1LHAASO J1219+2915, consistent with the location of the LINER/LLAGN galaxy NGC 4278 was recently reported by the LHAASO collaboration. These data were later split…

High Energy Astrophysical Phenomena · Physics 2026-03-19 The VERITAS Collaboration , A. Archer , P. Bangale , J. T. Bartkoske , W. Benbow , J. H. Buckley , Y. Chen , J. L. Christiansen , A. J. Chromey , A. Duerr , M. Errando , M. Escobar Godoy , S. Feldman , Q. Feng , S. Filbert , L. Fortson , A. Furniss , W. Hanlon , O. Hervet , C. E. Hinrichs , J. Holder , Z. Hughes , T. B. Humensky , M. Iskakova , W. Jin , M. N. Johnson , M. Kertzman , M. Kherlakian , D. Kieda , T. K. Kleiner , N. Korzoun , S. Kumar , S. Kundu , M. J. Lang , M. Lundy , G. Maier , C. McSorley , P. Moriarty , R. Mukherjee , W. Ning , S. O'Brien , M. Ohishi , M. A. Ong , A. Pandey , C. Poggemann , M. Pohl , E. Pueschel , J. Quinn , P. L. Rabinowitz , K. Ragan , P. T. Reynolds , D. Ribeiro , L. Rizk , E. Roache , I. Sadeh , L. Saha , H. Salzmann , M. Santander , G. H. Sembroski , R. Shang , M. Splettstoesser , D. Tak , A. K. Talluri , I. Thoreson , J. V. Tucci , J. Valverde , D. A. Williams , S. L. Wong , T. Yoshikoshi

Evidence for long-term Gamma-ray and X-ray variability from the unidentified TeV source HESS J0632+057

HESS J0632+057 is one of only two unidentified very-high-energy gamma-ray sources which appear to be point-like within experimental resolution. It is possibly associated with the massive Be star MWC 148 and has been suggested to resemble…

High Energy Astrophysical Phenomena · Physics 2011-02-11 VERITAS Collaboration , V. A. Acciari , E. Aliu , T. Arlen , M. Beilicke , W. Benbow , D. Boltuch , S. M. Bradbury , J. H. Buckley , V. Bugaev , K. Byrum , A. Cannon , A. Cesarini , A. Cesarini , Y. C. Chow , L. Ciupik , P. Cogan , R. Dickherber , C. Duke , T. Ergin , A. Falcone , S. J. Fegan , J. P. Finley , G. Finnegan , P. Fortin , L. Fortson , A. Furniss , K. Gibbs , G. H. Gillanders , J. Grube , R. Guenette , G. Gyuk , D. Hanna , J. Holder , D. Horan , C. M. Hui , T. B. Humensky , A. Imran , P. Kaaret , N. Karlsson , M. Kertzman , D. Kieda , J. Kildea , A. Konopelko , H. Krawczynski , F. Krennrich , M. J. Lang , S. LeBohec , G. Maier , A. McCann , M. McCutcheon , J. Millis , P. Moriarty , R. Mukherjee , R. A. Ong , A. N. Otte , D. Pandel , J. S. Perkins , D. Petry , M. Pohl , J. Quinn , K. Ragan , L. C. Reyes , P. T. Reynolds , H. J. Rose , M. Schroedter , G. H. Sembroski , A. W. Smith , D. Steele , M. Theiling , J. A. Toner , A. Varlotta , V. V. Vassiliev , S. Vincent , R. G. Wagner , S. P. Wakely , J. E. Ward , T. C. Weekes , A. Weinstein , T. Weisgarber , D. A. Williams , S. Wissel , M. Wood

VERITAS Observations of Gamma-Ray Bursts Detected by Swift

We present the results of sixteen Swift-triggered GRB follow-up observations taken with the VERITAS telescope array from January, 2007 to June, 2009. The median energy threshold and response time of these observations was 260 GeV and 320 s,…

High Energy Astrophysical Phenomena · Physics 2015-05-30 VERITAS Collaboration , V. A. Acciari , E. Aliu , T. Arlen , T. Aune , M. Beilicke , W. Benbow , S. M. Bradbury , J. H. Buckley , V. Bugaev , K. Byrum , A. Cannon , A. Cesarini , J. L. Christiansen , L. Ciupik , E. Collins-Hughes , M. P. Connolly , W. Cui , C. Duke , M. Errando , A. Falcone , J. P. Finley , G. Finnegan , L. Fortson , A. Furniss , N. Galante , D. Gall , S. Godambe , S. Griffin , J. Grube , R. Guenette , G. Gyuk , D. Hanna , J. Holder , G. Hughes , C. M. Hui , T. B. Humensky , D. J. Jackson , P. Kaaret , N. Karlsson , M. Kertzman , D. Kieda , H. Krawczynski , F. Krennrich , M. J. Lang , A. S Madhavan , G. Maier , S. McArthur , A. McCann , P. Moriarty , M. D. Newbold , R. A. Ong , M. Orr , A. N. Otte , N. Park , J. S. Perkins , M. Pohl , H. Prokoph , J. Quinn , K. Ragan , L. C. Reyes , P. T. Reynolds , E. Roache , H. J. Rose , J. Ruppel , D. B. Saxon , M. Schroedter , G. H. Sembroski , G. D. Şentürk , A. W. Smith , D. Staszak , S. P. Swordy , G. Tešić , M. Theiling , S. Thibadeau , K. Tsurusaki , A. Varlotta , V. V. Vassiliev , S. Vincent , M. Vivier , S. P. Wakely , J. E. Ward , T. C. Weekes , A. Weinstein , T. Weisgarber , D. A. Williams , M. Wood

Discovery of VHE Gamma-ray Emission from the Starburst Galaxy M82

The galaxy M82 has long been considered a promising target for VHE gamma-ray observations because of the compact starburst region in its core. Theoretical predictions have suggested it should be detectable by ground-based imaging Cherenkov…

High Energy Astrophysical Phenomena · Physics 2019-08-13 Niklas Karlsson

Creating a high-resolution picture of Cygnus with the Cherenkov Telescope Array

The Cygnus region hosts one of the most remarkable star-forming regions in the Milky Way. Indeed, the total mass in molecular gas of the Cygnus X complex exceeds 10 times the total mass of all other nearby star-forming regions. Surveys at…

High Energy Astrophysical Phenomena · Physics 2019-08-14 Amanda Weinstein , Ester Aliu , Sabrina Casanova , Tristano Di Girolamo , Michael Dyrda , Joachim Hahn , Pratik Majumdar , Jerome Rodriguez , Luigi Tibaldo

Diffuse gamma-ray emission from the vicinity of young massive star cluster RSGC 1

We report the Fermi Large Area Telescope (Fermi-LAT) detection of the gamma-ray emission towards the young massive star cluster RSGC 1. Using the latest source catalog and diffuse background models, we found that the diffuse gamma-ray…

High Energy Astrophysical Phenomena · Physics 2020-06-04 Xiao-Na Sun , Rui-Zhi Yang , Xiang-Yu Wang

The $\gamma$-ray Milky Way above 10 GeV: Distinguishing Sources from Diffuse Emission

One of the most prominent features of the $\gamma$-ray sky is the emission from our own Galaxy. The Galactic plane has been observed by Fermi-LAT in GeV and H.E.S.S. in TeV light. Fermi has modeled the Galactic emission as the sum of a…

High Energy Astrophysical Phenomena · Physics 2015-06-09 Ellis Owen , Christoph Deil , Axel Donath , Régis Terrier

TeV and Multi-wavelength Observations of Mrk 421 in 2006-2008

We report on TeV gamma-ray observations of the blazar Mrk 421 (redshift of 0.031) with the VERITAS observatory and the Whipple 10m Cherenkov telescope. The excellent sensitivity of VERITAS allowed us to sample the TeV gamma-ray fluxes and…

High Energy Astrophysical Phenomena · Physics 2011-08-12 V. A. Acciari , E. Aliu , T. Arlen , T. Aune , M. Beilicke , W. Benbow , D. Boltuch , S. M. Bradbury , J. H. Buckley , V. Bugaev , K. Byrum , A. Cannon , A. Cesarini , L. Ciupik , W. Cui , R. Dickherber , C. Duke , A. Falcone , J. P. Finley , G. Finnegan , L. Fortson , A. Furniss , N. Galante , D. Gall , G. H. Gillanders , S. Godambe , J. Grube , R. Guenette , G. Gyuk , D. Hanna , J. Holder , C. M. Hui , T. B. Humensky , A. Imran , P. Kaaret , N. Karlsson , M. Kertzman , D. Kieda , A. Konopelko , H. Krawczynski , F. Krennrich , M. J. Lang , G. Maier , S. McArthur , M. McCutcheon , P. Moriarty , R. A. Ong , A. N. Otte , M. Ouellette , D. Pandel , J. S. Perkins , A. Pichel , M. Pohl , J. Quinn , K. Ragan , L. C. Reyes , P. T. Reynolds , E. Roache , H. J. Rose , A. C. Rovero , M. Schroedter , G. H. Sembroski , G. Demet Senturk , D. Steele , S. P. Swordy , M. Theiling , S. Thibadeau , A. Varlotta , V. V. Vassiliev , S. Vincent , R. G. Wagner , S. P. Wakely , J. E. Ward , T. C. Weekes , A. Weinstein , T. Weisgarber , D. A. Williams , S. Wissel , M. Wood , B. Zitzer , A. Garson , K. Lee , A. C. Sadun , M. Carini , D. Barnaby , K. Cook , J. Maune , A. Pease , S. Smith , R. Walters , A. Berdyugin , E. Lindfors , K. Nilsson , M. Pasanen , J. Sainio , A. Sillanpaa , L. O. Takalo , C. Villforth , T. Montaruli , M. Baker , A. Lahteenmaki , M. Tornikoski , T. Hovatta , E. Nieppola , H. D. Aller , M. F. Aller

VERITAS Observations of the Unidentified Point Source HESS J1943+213

The H.E.S.S. Galactic plane scan has revealed a large population of Galactic very high energy (VHE; E > 100 GeV) emitters. The majority of the galactic sources are extended and can typically be associated with pulsar wind nebulae (35%) and…

High Energy Astrophysical Phenomena · Physics 2019-08-14 Karlen Shahinyan

VERITAS Observations of the Nova in V407 Cygni

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 March 10-26. Observations were made with the Very Energetic…

High Energy Astrophysical Phenomena · Physics 2015-06-05 E. Aliu , S. Archambault , T. Arlen , T. Aune , M. Beilicke , W. Benbow , A. Bouvier , S. M. Bradbury , J. H. Buckley , V. Bugaev , K. Byrum , A. Cannon , A. Cesarini , L. Ciupik , E. Collins-Hughes , M. P. Connolly , W. Cui , G. Decerprit , R. Dickherber , C. Duke , J. Dumm , V. V. Dwarkadas , M. Errando , A. Falcone , Q. Feng , J. P. Finley , G. Finnegan , L. Fortson , A. Furniss , N. Galante , D. Gall , S. Godambe , S. Griffin , J. Grube , G. Gyuk , D. Hanna , J. Holder , H. Huan , G. Hughes , T. B. Humensky , P. Kaaret , N. Karlsson , M. Kertzman , Y. Khassen , D. Kieda , H. Krawczynski , F. Krennrich , M. J. Lang , K. Lee , G. Maier , P. Majumdar , S. McArthur , A. McCann , J. Millis , P. Moriarty , R. Mukherjee , P. D Nuñez , R. A. Ong , M. Orr , A. N. Otte , D. Pandel , N. Park , J. S. Perkins , M. Pohl , H. Prokoph , J. Quinn , K. Ragan , L. C. Reyes , P. T. Reynolds , E. Roache , H. J. Rose , J. Ruppel , D. B. Saxon , M. Schroedter , G. H. Sembroski , C. Skole , A. W. Smith , D. Staszak , I. Telezhinsky , G. Tešić , M. Theiling , S. Thibadeau , K. Tsurusaki , J. Tyler , A. Varlotta , S. Vincent , M. Vivier , S. P. Wakely , J. E. Ward , T. C. Weekes , A. Weinstein , T. Weisgarber , R. Welsing , D. A. Williams , B. Zitzer

An in-depth study of Gamma rays from the Starburst Galaxy M 82 with VERITAS

Assuming Galactic cosmic rays originate in supernovae and the winds of massive stars, starburst galaxies should produce very-high-energy (VHE; E$>$100 GeV) gamma-ray emission via the interaction of their copious quantities of cosmic rays…

High Energy Astrophysical Phenomena · Physics 2025-01-20 Atreya Acharyya , Colin B. Adams , Priyadarshini Bangale , Joshua T. Bartkoske , Wystan Benbow , Yu Chen , Jodi L. Christiansen , Alisha J. Chromey , Anne Duerr , Manel Errando , Miguel E. Godoy , Abe Falcone , Sydney Feldman , Qi Feng , Juniper Foote , Lucy Fortson , Amy Furniss , William Hanlon , David Hanna , Olivier Hervet , Claire E. Hinrichs , Jamie Holder , Thomas B. Humensky , Weidong Jin , Madalyn N. Johnson , Philip Kaaret , Mary Kertzman , Maria Kherlakian , David Kieda , Tobias K. Kleiner , Nikolas Korzoun , Frank Krennrich , Sajan Kumar , Mark J. Lang , Matthew Lundy , Gernot Maier , Matthew J. Millard , Connor L. Mooney , Patrick Moriarty , Reshmi Mukherjee , Wenmeng Ning , Stephan Ó Brien , Rene A. Ong , Martin Pohl , Elisa Pueschel , John Quinn , Pazit L. Rabinowitz , Kenneth J. Ragan , Paul T. Reynolds , Deivid Ribeiro , Emmet Roache , Iftach Sadeh , Lab Saha , Marcos Santander , Glenn H. Sembroski , Ruo Shang , Megan Splettstoesser , Anjana K. Talluri , James V. Tucci , Vladimir V. Vassiliev , David A. Williams , Samantha L. Wong , Jooyun Woo