Flux states of active galactic nuclei

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dc.contributor.authorDorner, Daniela
dc.contributor.authorArbet-Engels, Axel
dc.contributor.authorBaack, Dominik
dc.contributor.authorBalbo, Matteo
dc.contributor.authorBiland, Adrian
dc.contributor.authorBlank, Michael
dc.contributor.authorBretz, Thomas
dc.contributor.authorBruegge, Kai
dc.contributor.authorBulinski, Michael
dc.contributor.authorBuss, Jens
dc.contributor.authorDoerr, Manuel
dc.contributor.authorElsaesser, Dominik
dc.contributor.authorHildebrand, Dorothee
dc.contributor.authorLinhoff, Lena
dc.contributor.authorMannheim, Karl
dc.contributor.authorMueller, Sebastian Achim
dc.contributor.authorNeise, Dominik
dc.contributor.authorNeronov, Andrii
dc.contributor.authorNoethe, Maximilian
dc.contributor.authorParavac, Aleksander
dc.contributor.authorRhode, Wolfgang
dc.contributor.authorSchleicher, Bernd
dc.contributor.authorSchulz, Florian
dc.contributor.authorSedlaczek, Kevin
dc.contributor.authorShukla, Amit
dc.contributor.authorSliusar, Vitalii
dc.contributor.authorWillert, Elan von
dc.contributor.authorWalter, Roland
dc.date.accessioned2019-09-24T09:59:26Z
dc.date.available2019-09-24T09:59:26Z
dc.date.issued2019-05-21
dc.description.abstractBlazars are known to show variability on time scales from minutes to years covering a wide range of flux states. Studying the flux distribution of a source allows for various insights. The shape of the flux distribution can provide information on the nature of the underlying variability processes. The level of a possible quiescent state can be derived from the main part of the distribution that can be described by a Gaussian distribution. Dividing the flux states into quiescent and active, the duty cycle of a source can be calculated. Finally, this allows alerting the multi-wavelength and multi-messenger community in case a source is in an active state. To get consistent and conclusive results from flux distributions, unbiased long-term observations are crucial. Only like this is a complete picture of the variability and flux states, e.g., an all-time quiescent state, possible. In seven years of monitoring of bright TeV blazars, the first G-APD Cherenkov telescope (FACT) has collected a total of more than 11,700 hours of physics data with 1500 hours to 3000 hours per source for Mrk 421, Mrk 501, 1ES 1959+650, and 1ES 2344+51.en
dc.identifier.urihttp://hdl.handle.net/2003/38248
dc.identifier.urihttp://dx.doi.org/10.17877/DE290R-20218
dc.language.isoende
dc.relation.ispartofseriesGalaxies;7(2)
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/
dc.subjectActive galactic nucleien
dc.subjectBlazarsen
dc.subjectMonitoringen
dc.subjectTeV energiesen
dc.subjectFACTen
dc.subjectFlux statesen
dc.subjectFlux distributionsen
dc.subjectDuty cycleen
dc.subject.ddc530
dc.titleFlux states of active galactic nucleien
dc.typeTextde
dc.type.publicationtypearticlede
dcterms.accessRightsopen access
eldorado.secondarypublicationtruede
eldorado.secondarypublication.primarycitationDorner, D.; Arbet-Engels, A.; Baack, D.; Balbo, M.; Biland, A.; Blank, M.; Bretz, T.; Bruegge, K.; Bulinski, M.; Buss, J.; Doerr, M.; Elsaesser, D.; Hildebrand, D.; Linhoff, L.; Mannheim, K.; Mueller, S.A.; Neise, D.; Neronov, A.; Noethe, M.; Paravac, A.; Rhode, W.; Schleicher, B.; Schulz, F.; Sedlaczek, K.; Shukla, A.; Sliusar, V.; von Willert, E.; Walter, R.; FACT Collaboration. Flux States of Active Galactic Nuclei. Galaxies 2019, 7, 57.de
eldorado.secondarypublication.primaryidentifierdoi:10.3390/galaxies7020057de

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