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| Paper: |
Structure and Timescales of the Fast Variations of BL Lacertae during the 1997 Summer Active Phase |
| Volume: |
159, BL Lac Phenomenon |
| Page: |
79 |
| Authors: |
Massaro, E.; Maesano, M.; Montagni, F.; Nesci, R.; Tosti, G.; Fiorucci, M. |
| Abstract: |
We present the results of a time analysis of some intranight light curves of BL Lacertae during the very active phase of June-September 1997. In particular, we studied the luminosity variations over time scales from 0.3 to 3 hours, after subtraction of longer trends. the data have been analyzed with several methods, including the non-linear Prony algorithm, to investigate the relation between the amplitudes and the durations of the variations. A non periodic oscillating behaviour with an approximate time scale of about two hours has been noticed in a few occasions. Possible implications on physical models based on synchrotron emission in a strong turbulent magnetic field are discussed. |
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