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dc.contributor.authorZola, S-
dc.contributor.authorValtonen, M-
dc.contributor.authorBhatta, G-
dc.contributor.authorGoyal, A-
dc.contributor.authorDebski, B-
dc.contributor.authorBaran, A-
dc.contributor.authorKrzesinski, J-
dc.contributor.authorSiwak, M-
dc.contributor.authorCiprini, S-
dc.contributor.authorGopakumar, A-
dc.contributor.authorJermak, H-
dc.contributor.authorNilsson, K-
dc.contributor.authorReichart, D-
dc.contributor.authorMatsumoto, K-
dc.contributor.authorSadakane, K-
dc.contributor.authorGazeas, K-
dc.contributor.authorKidger, M-
dc.contributor.authorPiirola, V-
dc.contributor.authorAlicavus, F-
dc.contributor.authorBaliyan, K. S-
dc.contributor.authorBerdyugin, A-
dc.contributor.authorBoyd, D-
dc.contributor.authorCampas Torrent, M-
dc.contributor.authorCampos, F-
dc.contributor.authorCarrillo Gómez, J-
dc.contributor.authorCaton, D. B-
dc.contributor.authorChavushyan, V-
dc.contributor.authorDalessio, J-
dc.contributor.authorDimitrov, D-
dc.contributor.authorDrozdz, M-
dc.contributor.authorEr, H-
dc.contributor.authorErdem, A-
dc.contributor.authorEscartin Perez, A-
dc.contributor.authorFallah Ramazani, V-
dc.contributor.authorFilippenko, A. V-
dc.contributor.authorGarcia, F-
dc.contributor.authorGomez Pinilla, F.-
dc.contributor.authorGopinathan, M-
dc.contributor.authorHaislip, J. B-
dc.contributor.authorHarmanen, J-
dc.contributor.authorHudec, R-
dc.contributor.authorHurst, G-
dc.contributor.authorIvarsen, K. M-
dc.contributor.authorJelinek, M-
dc.contributor.authorJoshi, A-
dc.contributor.authorKagitan, M-
dc.contributor.authorKaur, N-
dc.contributor.authorKeel, W. C-
dc.contributor.authorLaCluyze, A. P-
dc.contributor.authorLee, B. C-
dc.contributor.authorLindfors, E-
dc.contributor.authorLozano de Haro, J-
dc.contributor.authorMoore, J. P-
dc.contributor.authorMugrauer, M-
dc.contributor.authorNaves Nogues, R-
dc.contributor.authorNeely, A. W-
dc.contributor.authorNelson, R. H-
dc.contributor.authorOgloza, W-
dc.contributor.authorOkano, S-
dc.contributor.authorPandey, J. C-
dc.contributor.authorPerri, M-
dc.contributor.authorPihajoki, P-
dc.contributor.authorPoyner, G-
dc.contributor.authorProvencal, J-
dc.contributor.authorPursimo, T-
dc.contributor.authorRaj, A-
dc.contributor.authorand 29 authors-
dc.identifier.citationGalaxies, Vol. 4, No. 4, 41en_US
dc.description.abstractWe analyse the light curve in the R band of the blazar OJ287, gathered during the 2015/2016 observing season. We did a search for quasi-periodic oscillations (QPOs) using several methods over a wide range of timescales. No statistically significant periods were found in the high-frequency domain both in the ground-based data and in Kepler observations. In the longer-period domain, the Lomb–Scargle periodogram revealed several peaks above the 99% significance level. The longest one—about 95 days—corresponds to the innermost stable circular orbit (ISCO) period of the more massive black hole. The 43-day period could be an alias, or it can be attributed to accretion in the form of a two-armed spiral wave.en_US
dc.publisherMolecular Diversity Preservation Internationalen_US
dc.rights© Molecular Diversity Preservation International-
dc.subjectGalaxies: activeen_US
dc.subjectBL lacertae objects: individual (OJ287)en_US
dc.subjectSupermassive black holesen_US
dc.titleA search for QPOs in the lazar OJ287: preliminary results from the 2015/2016 observing campaignen_US
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