Journal article
A SEARCH FOR ENHANCED VERY HIGH ENERGY GAMMA-RAY EMISSION FROM THE 2013 MARCH CRAB NEBULA FLARE
Astrophysical journal. Letters, Vol.781(1), pp.1-7
01/20/2014
DOI: 10.1088/2041-8205/781/1/L11
Abstract
In 2013 March, a flaring episode from the Crab Nebula lasting ∼2 weeks was detected by Fermi-LAT (Large Area Telescope on board the Fermi Gamma-ray Space Telescope). The Very Energetic Radiation Imaging Telescope Array System (VERITAS) provides simultaneous observations throughout this period. During the flare, Fermi-LAT detected a 20 fold increase in flux above the average synchrotron flux >100 MeV seen from the Crab Nebula. Simultaneous measurements with VERITAS are consistent with the non-variable long-term average Crab Nebula flux at TeV energies. Assuming a linear correlation between the very high energy flux change >1 TeV and the flux change seen in the Fermi-LAT band >100 MeV during the period of simultaneous observations, the linear correlation factor can be constrained to be at most 8.6 × 10{sup –3} with 95% confidence.
Details
- Title: Subtitle
- A SEARCH FOR ENHANCED VERY HIGH ENERGY GAMMA-RAY EMISSION FROM THE 2013 MARCH CRAB NEBULA FLARE
- Creators
- E Aliu - Columbia UniversityM Errando - Columbia UniversityS Archambault - McGill UniversityT Aune - Department of Physics and Astronomy, University of California, Los Angeles, CA 90095 (United States)W Benbow - Harvard UniversityM Cerruti - Harvard UniversityK Berger - Department of Physics and Astronomy and the Bartol Research Institute, University of Delaware, Newark, DE 19716 (United States)R Bird - School of Physics, University College Dublin, Belfield, Dublin 4 (Ireland)A Bouvier - University of California, Santa CruzJ. H Buckley - Washington University in St. LouisV Bugaev - Washington University in St. LouisK Byrum - Argonne National LaboratoryX ChenL Ciupik - Adler PlanetariumM. P Connolly - School of Physics, National University of Ireland Galway, University Road, Galway (Ireland)W Cui - Purdue University West LafayetteQ Feng - Kent State UniversityJ Dumm - University of MinnesotaA Falcone - Pennsylvania State UniversityVERITAS CollaboratorsS Federici - DESY, Platanenallee 6, D-15738 Zeuthen (Germany)
- Contributors
- P Kaaret (Contributor) - University of Iowa, Physics and Astronomy
- Resource Type
- Journal article
- Publication Details
- Astrophysical journal. Letters, Vol.781(1), pp.1-7
- DOI
- 10.1088/2041-8205/781/1/L11
- ISSN
- 2041-8205
- eISSN
- 2041-8213
- Language
- English
- Date published
- 01/20/2014
- Academic Unit
- Physics and Astronomy
- Record Identifier
- 9984200048802771
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