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Article: Modelling the IDV Emissions of the BL Lac Objects with a Langevin Type Stochastic Differential Equation

TitleModelling the IDV Emissions of the BL Lac Objects with a Langevin Type Stochastic Differential Equation
Authors
Leung, CSWei, JYHarko, TCKovacs, Z
KeywordsBL Lac objects
Langevin type stochastic differential equation
Issue Date2011
PublisherIndian Academy of Sciences. The Journal's web site is located at http://www.ias.ac.in/jaa
Citation
Journal of Astrophysics and Astronomy, 2011, v. 32 n. 1-2, p. 189-192 How to Cite?
DOI: http://dx.doi.org/10.1007/s12036-011-9026-3
AbstractIn this paper, we introduce a simplified model for explaining the observations of optical intra-day variability (IDV) of the BL Lac Objects. We assume that the source of the IDV are the stochastic oscillations of an accretion disk around a supermassive black hole. The stochastic fluctuations on the vertical direction of the accretion disk are described by using a Langevin type equation with a damping term and a random, white noise type force. Furthermore, preliminary numerical simulation results are presented, which are based on the numerical analysis of the Langevin stochastic differential equation. © 2011 Indian Academy of Sciences.
Persistent Identifierhttp://hdl.handle.net/10722/142491
ISSN
0250-6335
2021 Impact Factor: 1.610
2020 SCImago Journal Rankings: 0.631
ISI Accession Number ID
WOS:000294539300039

 

DC FieldValueLanguage
dc.contributor.authorLeung, CSen_US
dc.contributor.authorWei, JYen_US
dc.contributor.authorHarko, TCen_US
dc.contributor.authorKovacs, Zen_US
dc.date.accessioned2011-10-28T02:46:56Z-
dc.date.available2011-10-28T02:46:56Z-
dc.date.issued2011en_US
dc.identifier.citationJournal of Astrophysics and Astronomy, 2011, v. 32 n. 1-2, p. 189-192en_US
dc.identifier.issn0250-6335-
dc.identifier.urihttp://hdl.handle.net/10722/142491-
dc.description.abstractIn this paper, we introduce a simplified model for explaining the observations of optical intra-day variability (IDV) of the BL Lac Objects. We assume that the source of the IDV are the stochastic oscillations of an accretion disk around a supermassive black hole. The stochastic fluctuations on the vertical direction of the accretion disk are described by using a Langevin type equation with a damping term and a random, white noise type force. Furthermore, preliminary numerical simulation results are presented, which are based on the numerical analysis of the Langevin stochastic differential equation. © 2011 Indian Academy of Sciences.-
dc.languageengen_US
dc.publisherIndian Academy of Sciences. The Journal's web site is located at http://www.ias.ac.in/jaa-
dc.relation.ispartofJournal of Astrophysics and Astronomyen_US
dc.subjectBL Lac objects-
dc.subjectLangevin type stochastic differential equation-
dc.titleModelling the IDV Emissions of the BL Lac Objects with a Langevin Type Stochastic Differential Equationen_US
dc.typeArticleen_US
dc.identifier.emailHarko, TC: harko@hkucc.hku.hken_US
dc.identifier.emailKovacs, Z: zkovacs@hku.hken_US
dc.identifier.authorityHarko, TC=rp01333en_US
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1007/s12036-011-9026-3-
dc.identifier.scopuseid_2-s2.0-80052265741-
dc.identifier.hkuros196875en_US
dc.identifier.volume32en_US
dc.identifier.issue1-2-
dc.identifier.spage189en_US
dc.identifier.epage192en_US
dc.identifier.isiWOS:000294539300039-
dc.publisher.placeIndia-
dc.identifier.citeulike9684930-
dc.identifier.issnl0250-6335-

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