Vol. 13, issue 04, article # 4

pdf Mikhalev A. V., Beletsky A. B. Characteristics of optical flares in night-time atmospheric radiation according to data of observations with a multispectral photometer and a TV-camera. // Atmospheric and oceanic optics. 2000. V. 13. No. 04. P. 308-310.
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The results of experimental studies of tens to hundreds millisecond long optical flares in the nighttime atmospheric emission in mid-latitudes are presented. Luminous emittance of optical flares in different regions of the optical spectrum was estimated, and distributions of the flare duration and the probability of their observation during a night were obtained. The moments of optical flares occurrence in time were compared with those of the gamma-ray bursts according to data from the BATSE catalog. It was concluded that the questions on the nature and sources of optical flares are still open.