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dc.contributor.authorAharonian, F.-
dc.contributor.authorAkhperjanian, A.-
dc.contributor.authorBeilicke, M.-
dc.contributor.authorBernlohr, K.-
dc.contributor.authorBorst, H.-
dc.contributor.authorBojahr, H.-
dc.contributor.authorBolz, O.-
dc.contributor.authorCoarasa, T.-
dc.contributor.authorContreras, J.-
dc.contributor.authorContina, J.-
dc.contributor.authorDenninghoff, S.-
dc.contributor.authorFonseca, V.-
dc.contributor.authorGirma, M.-
dc.contributor.authorGoebel, F.-
dc.contributor.authorGotting, N.-
dc.contributor.authorHeinzelmann, G.-
dc.contributor.authorHermann, G.-
dc.contributor.authorHeusler, A.-
dc.contributor.authorHofmann, W.-
dc.contributor.authorHorns, D.-
dc.contributor.authoret al.-
dc.identifier.citationAstronomy and Astrophysics: a European journal, 2003; 410(3):813-821-
dc.description.abstractIn the first months of 2001 the AGN Mkn 421 showed highly variable, strong TeV activity at flux levels frequently exceeding 1 Crab. Here we present the light curve and energy spectrum of Mkn 421 as measured with the HEGRA stand alone telescope CT1. Around 30% of the data were taken under moonlight conditions. The spectrum shows a significant exponential energy cutoff at around 3.4 TeV. The results from the dark night- and the moon data are in excellent agreement with each other. A significant spectral shape variation depending on the flux level has been found. The TeV light curve is also found to be highly correlated with the X-ray light curve of the RXTE/ASM satellite, showing no significant time lag larger than 0.2 d. The derived correlation coefficient of 0.83 corresponds to a 5.2 σ significance.-
dc.description.statementofresponsibilityF. Aharonian,...G. P. Rowell,...and W. Wittek [et al]-
dc.publisherE D P Sciences-
dc.rights© The European Southern Observatory 2003-
dc.titleTeV γ-ray light curve and energy spectrum of Mkn 421 during its 2001 flare as measured with HEGRA CT1-
dc.title.alternativeTeV gamma-ray light curve and energy spectrum of Mkn 421 during its 2001 flare as measured with HEGRA CT1-
dc.typeJournal article-
dc.identifier.orcidRowell, G. [0000-0002-9516-1581]-
Appears in Collections:Aurora harvest 6
Physics publications

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