Please use this identifier to cite or link to this item:
https://hdl.handle.net/2440/81326
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DC Field | Value | Language |
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dc.contributor.author | Maxted, N. | - |
dc.contributor.author | Rowell, G. | - |
dc.date.issued | 2013 | - |
dc.identifier.citation | Monthly Notices of the Royal Astronomical Society, 2013; 434(3):1889-1901 | - |
dc.identifier.issn | 0035-8711 | - |
dc.identifier.issn | 1365-2966 | - |
dc.identifier.uri | http://hdl.handle.net/2440/81326 | - |
dc.description.abstract | A deep observation campaign carried out by the High Energy Stereoscopic System (HESS) on Centaurus A enabled the discovery of γ-rays from the blazar 1ES 1312-423, 2° away from the radio galaxy. With a differential flux at 1 TeV of f(1 TeV) = (1.9 ± 0.6stat ± 0.4sys) × 10-13 cm-2 s-1 TeV-1 corresponding to 0.5 per cent of the Crab nebula differential flux and a spectral index γ = 2.9 ± 0.5stat ± 0.2sys, 1ES 1312-423 is one of the faintest sources ever detected in the very high energy (E <100 GeV) extragalactic sky. A careful analysis using three and a half years of Fermi Large Area Telescope (Fermi-LAT) data allows the discovery at high energies (100 < E MeV) of a hard spectrum (γ =1.4±0.4stat ±0.2sys) source coincident with 1ES 1312-423. Radio, optical, UV and X-ray observations complete the spectral energy distribution of this blazar, now covering 16 decades in energy. The emission is successfully fitted with a synchrotron self-Compton model for the non-thermal component, combined with a blackbody spectrum for the optical emission from the host galaxy. © 2013 The Authors. Published by Oxford University Press on behalf of the Royal Astronomical Society. | - |
dc.description.statementofresponsibility | HESS Collaboration, A. Abramowski ... N. Maxted ... G. Rowell ... et al. | - |
dc.language.iso | en | - |
dc.publisher | Blackwell Publishing Ltd | - |
dc.rights | © 2013 The Authors | - |
dc.source.uri | http://dx.doi.org/10.1093/mnras/stt1081 | - |
dc.subject | radiation mechanisms: non-thermal, galaxies: active, BL Lacertae objects: individual: 1ES 1312–423, galaxies: jets, gamma-rays: galaxies | - |
dc.title | HESS and Fermi-LAT discovery of gamma-rays from the blazar 1ES 1312-423 | - |
dc.type | Journal article | - |
dc.identifier.doi | 10.1093/mnras/stt1081 | - |
pubs.publication-status | Published | - |
dc.identifier.orcid | Rowell, G. [0000-0002-9516-1581] | - |
Appears in Collections: | Aurora harvest 4 Chemistry and Physics publications |
Files in This Item:
File | Description | Size | Format | |
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hdl_81326.pdf | Published version | 2.84 MB | Adobe PDF | View/Open |
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