Multicolor photometry of a meteor with flares

Astronomy and Astrophysics – Astronomy

Scientific paper

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Astronomical Photometry, Flares, Meteoroids, Brightness, Color Photography, Spectral Emission

Scientific paper

Brightness changes along the path of a reference meteor with three flares of a type of spherical explosion have been studied in different spectral regions. The concentration of emitting atoms in a flare is calculated. At the time of the first flare a sharp increase was observed in the brightness in the red region of the spectrum; in the subsequent two flares emission in the wavelength range 4400-4700 A was observed. During the three flares which lasted 0.04 sec, the meteor lost about 40% of its initial mass. The concentration of atoms of Mg II 4481 A making the primary contribution to the emission in the blue region of the last, brightest flare is 10 to the eleventh power/cu cm.

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