Evidence for a QPO structure in the TeV and X-ray light curve during the 1997 high state Gamma emission of Mkn 501

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dc.creatorKranich, D.
dc.creatorDe Jager, O. C.
dc.creatorKestel, M.
dc.creatorLorenz, E.
dc.creatorCollaboration, the HEGRA
dc.date1999-07-15
dc.date.accessioned2026-07-07T02:32:32Z
dc.date.available2026-07-07T02:32:32Z
dc.descriptionThe BL Lac Object Mkn 501 was in a state of high activity in the TeV range in 1997. During this time Mkn 501 was observed by all Cherenkov-Telescopes of the HEGRA-Collaboration. Part of the data were also taken during moonshine thus providing a nearly continuous coverage for this object in the TeV-range. We have carried out a QPO analysis and found evidence for a 23 day periodicity. We applied the same analysis on the 'data by dwell' x-ray lightcurve from the RXTE/ASM database and found also evidence for the 23 day periodicity. The combined probability was P = 2.8 *10^-4.
dc.description4 Pages, 7 Figures; to appear in the proceedings of the 26th ICRC, Salt Lake City, August 1999
dc.identifierhttps://arxiv.org/abs/astro-ph/9907205
dc.identifierhttp://arxiv.org/abs/astro-ph/9907205
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/14494
dc.subjectAstrophysics
dc.titleEvidence for a QPO structure in the TeV and X-ray light curve during the 1997 high state Gamma emission of Mkn 501
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