FAST OPTICAL VARIABILITY OF A NAKED-EYE BURST—MANIFESTATION OF THE PERIODIC ACTIVITY OF AN INTERNAL ENGINE
G. M. BeskinSpecial Astrophysical Observatory, Nizhniy Arkhyz, Karachaevo-Cherkesia, RussiaС. КарповSpecial Astrophysical Observatory, Nizhniy Arkhyz, Karachaevo-Cherkesia, RussiaS. BondarG. GrecoAstronomical Observatory of Bologna, INAF, ItalyА. ГуарниериAstronomical Department of Bologna University, Bologna, ItalyC. BartoliniAstronomical Department of Bologna University, Bologna, ItalyA. PiccioniAstronomical Department of Bologna University, Bologna, Italy
2010en
ABI
Аннотация
A periodicity of about 40 seconds has been found in the optical variability of GRB 080319B. The comparison between the Gamma and optical light curves points out a delay of 2 second for the optical one.
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