Please use this identifier to cite or link to this item: http://hdl.handle.net/2248/6587
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dc.contributor.authorMangalam, A-
dc.contributor.authorMohan, Prashanth-
dc.date.accessioned2014-04-10T09:36:55Z-
dc.date.available2014-04-10T09:36:55Z-
dc.date.issued2014-04-
dc.identifier.citationJournal of Astrophysics and Astronomy, (Submitted)en
dc.identifier.issn0250-6335-
dc.identifier.urihttp://hdl.handle.net/2248/6587-
dc.descriptionOpen Accessen
dc.description.abstractVariability in active galactic nuclei is observed in ultraviolet to X-ray emission based light curves. This could be attributed to orbital signatures of the plasma that constitutes the accretion flow on the putative disk or in the developing jet close to the inner region of the central black hole. We discuss some theoretical models which build on this view. These models include general relativistic effects such as light bending, aberration effects, gravitational and Doppler redshifts. The novel aspects relate to the treatment of helical flow in cylindrical and conical geometries in the vicinity of a Schwarzschild black hole that leads to amplitude and frequency modulations of simulated light curves as well as the inclusion of beaming effects in these idealized geometries. We then present a suite of time series analysis techniques applicable to data with varied properties which can extract detailed information from them for their use in theoretical models.en
dc.language.isoenen
dc.publisherIndian Academy of Sciencesen
dc.relation.urihttp://arxiv.org/abs/1404.0527en
dc.rights© Indian Academy of Sciencesen
dc.subjectAstrophysics - High Energy Astrophysical Phenomenaen
dc.subjectAstrophysics - Astrophysics of Galaxiesen
dc.titleOrbital signatures from observed light curves of blazarsen
dc.typeArticleen
Appears in Collections:IIAP Publications

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