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Discovery of very high energy gamma-rays from Markarian 180 triggered by an optical outburst

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dc.contributor.authorMAGIC Collaboration
dc.contributor.authorParedes i Poy, Josep Maria
dc.contributor.authorRibó Gomis, Marc
dc.contributor.authorBosch i Ramon, Valentí
dc.date.accessioned2020-02-18T16:11:35Z
dc.date.available2020-02-18T16:11:35Z
dc.date.issued2006
dc.date.updated2020-02-18T16:11:35Z
dc.description.abstractThe high-frequency-peaked BL Lacertae object Markarian 180 (Mrk 180) was observed to have an optical outburst in 2006 March, triggering a Target of Opportunity observation with the MAGIC telescope. The source was observed for 12.4 hr, and very high energy γ-ray emission was detected with a significance of 5.5 σ. An integral flux above 200 GeV of (2.3 ± 0.7) × 10-11 cm-2 s-1 was measured, corresponding to 11% of the Crab Nebula flux. A rather soft spectrum with a photon index of -3.3 ± 0.7 has been determined. No significant flux variation was found.
dc.format.extent4 p.
dc.format.mimetypeapplication/pdf
dc.identifier.idgrec546721
dc.identifier.issn0004-637X
dc.identifier.urihttps://hdl.handle.net/2445/150592
dc.language.isoeng
dc.publisherInstitute of Physics (IOP)
dc.relation.isformatofReproducció del document publicat a: https://doi.org/10.1086/508020
dc.relation.ispartofAstrophysical Journal, 2006, vol. 648, p. 105-108
dc.relation.urihttps://doi.org/10.1086/508020
dc.rights(c) American Astronomical Society, 2006
dc.rights.accessRightsinfo:eu-repo/semantics/openAccess
dc.sourceArticles publicats en revistes (Física Quàntica i Astrofísica)
dc.subject.classificationRaigs gamma
dc.subject.classificationObservacions astronòmiques
dc.subject.otherGamma rays
dc.subject.otherAstronomical observations
dc.titleDiscovery of very high energy gamma-rays from Markarian 180 triggered by an optical outburst
dc.typeinfo:eu-repo/semantics/article
dc.typeinfo:eu-repo/semantics/publishedVersion

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