Bulletin of Taras Shevchenko National University of Kyiv. Astronomy, no. 56, p. 6-9 (2017)

Meteors with anomalous apparent heights from TV observations in Kyiv

Kozak, Ph.D.
Astronomical Observatory of Taras Shevchenko National University of Kyiv, Kyiv

Basing on additional studying and précised processing of video-records of double-station meteor TV observations in Astronomical Observatory of Taras Shevchenko National University of Kyiv the selection of meteors with anomalous photometrical and kinematical characteristics has been carried out. A special attention was paid to the registration of meteors on extreme heights exceeding 130 km. In opposite to practically proved at the moment facts about appearance of fast bright bolides created by massive bodies belonging to Leonids, Perseids and Orionids streams on heights over 130-135 km, and up to even 160-195 km we obtained the confirmation of appearance on the anomalous heights of low-light meteors of masses ~10-3  g. In 1993 during observations of Perseid meteor shower we registered for the first time the shower meteor with apparent height of 136.84 ± 0.12 km. In 2001 and 2003 during September observations of sporadic meteors we registered only one meteor from 98 on the height over 135 km. During observations of Leonids meteor storm in 2002 we registered five relatively low-light meteors belonging to the shower with apparent heights exceeding 135-140 km with masses ~10-3  g.

Key words
meteors; video observations of meteors; extremely high apparent heights of meteors

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DOI: https://doi.org/10.17721/BTSNUA.2017.56.6-9