Journal article
A Search for Pulsations from Geminga Above 100 GeV with VERITAS
The Astrophysical journal, Vol.800(1), pp.1-7
12/15/2014
DOI: 10.1088/0004-637X/800/1/61
Abstract
We present the results of 71.6 hours of observations of the Geminga pulsar
(PSR J0633+1746) with the VERITAS very-high-energy gamma-ray telescope array.
Data taken with VERITAS between November 2007 and February 2013 were
phase-folded using a Geminga pulsar timing solution derived from data recorded
by the XMM-\emph{Newton} and \emph{Fermi}-LAT space telescopes. No significant
pulsed emission above 100 GeV is observed, and we report upper limits at the
95% confidence level on the integral flux above 135 GeV (spectral analysis
threshold) of 4.0$\times10^{-13}$ s$^{-1}$ cm$^{-2}$ and 1.7$\times10^{-13}$
s$^{-1}$ cm$^{-2}$ for the two principal peaks in the emission profile. These
upper limits, placed in context with phase-resolved spectral energy
distributions determined from five years of data from the \emph{Fermi}-LAT,
constrain possible hardening of the Geminga pulsar emission spectra above
$\sim$50 GeV.
Details
- Title: Subtitle
- A Search for Pulsations from Geminga Above 100 GeV with VERITAS
- Creators
- E Aliu - Columbia UniversityS Archambault - McGill UniversityA Archer - Washington University in St. LouisT Aune - University of California, Los AngelesA Barnacka - Harvard UniversityM Beilicke - Washington University in St. LouisW Benbow - Harvard UniversityR Bird - University College DublinJ. H Buckley - Washington University in St. LouisV Bugaev - Washington University in St. LouisK Byrum - Argonne National LaboratoryJ. V Cardenzana - Iowa State UniversityM Cerruti - Harvard UniversityX Chen - University of PotsdamL Ciupik - Adler PlanetariumM. P Connolly - Ollscoil na Gaillimhe – University of GalwayW Cui - Purdue University West LafayetteH. J Dickinson - Iowa State UniversityJ Dumm - University of MinnesotaJ. D Eisch - Iowa State UniversityM Errando - Columbia UniversityA Falcone - Pennsylvania State UniversityQ Feng - Purdue University West LafayetteJ. P Finley - Purdue University West LafayetteH Fleischhack - DESY, Platanenallee 6, 15738 Zeuthen, GermanyP Fortin - Harvard UniversityL Fortson - University of MinnesotaA Furniss - University of California, Santa CruzG. H Gillanders - Ollscoil na Gaillimhe – University of GalwayS Griffin - McGill UniversityS. T Griffiths - University of IowaJ Grube - Adler PlanetariumG Gyuk - Adler PlanetariumN Hakansson - University of PotsdamD Hanna - McGill UniversityJ Holder - University of DelawareT. B Humensky - Columbia UniversityC. A Johnson - University of California, Santa CruzP Kaaret - University of IowaP Kar - University of UtahM Kertzman - DePauw UniversityD Kieda - University of UtahF Krennrich - Iowa State UniversityS Kumar - University of DelawareM. J Lang - Ollscoil na Gaillimhe – University of GalwayM Lyutikov - Purdue University West LafayetteA. S Madhavan - Iowa State UniversityG Maier - DESY, Platanenallee 6, 15738 Zeuthen, GermanyS McArthur - University of ChicagoA McCann - University of ChicagoK Meagher - Georgia Institute of TechnologyJ Millis - Anderson University - IndianaP Moriarty - Ollscoil na Gaillimhe – University of GalwayR Mukherjee - Columbia UniversityD Nieto - Columbia UniversityA O’Faoláin de Bhróithe - DESY, Platanenallee 6, 15738 Zeuthen, GermanyR. A Ong - University of California, Los AngelesA. N Otte - Georgia Institute of TechnologyN Park - University of ChicagoM Pohl - University of PotsdamA Popkow - University of California, Los AngelesH Prokoph - DESY, Platanenallee 6, 15738 Zeuthen, GermanyE Pueschel - University College DublinJ Quinn - University College DublinK Ragan - McGill UniversityL. C Reyes - California Polytechnic State UniversityP. T Reynolds - Cork Institute of TechnologyG. T Richards - Georgia Institute of TechnologyE Roache - Harvard UniversityM Santander - Columbia UniversityG. H Sembroski - Purdue University West LafayetteK Shahinyan - University of MinnesotaA. W Smith - University of UtahD Staszak - McGill UniversityI Telezhinsky - University of PotsdamJ. V Tucci - Purdue University West LafayetteJ Tyler - McGill UniversityA Varlotta - Purdue University West LafayetteS Vincent - DESY, Platanenallee 6, 15738 Zeuthen, GermanyS. P Wakely - University of ChicagoA Weinstein - Iowa State UniversityD. A Williams - University of California, Santa CruzA Zajczyk - Washington University in St. LouisB Zitzer - Argonne National Laboratory
- Resource Type
- Journal article
- Publication Details
- The Astrophysical journal, Vol.800(1), pp.1-7
- DOI
- 10.1088/0004-637X/800/1/61
- ISSN
- 0004-637X
- eISSN
- 1538-4357
- Publisher
- Institute of Physics (IOP)
- Language
- English
- Date published
- 12/15/2014
- Academic Unit
- Physics and Astronomy
- Record Identifier
- 9984199853802771
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