Astronomy and Astrophysics – Astronomy
Scientific paper
Sep 1982
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982mmsa.reptr....m&link_type=abstract
In its Meteors and Meteor Spectra Anal. 11 p (SEE N83-14040 04-91)
Astronomy and Astrophysics
Astronomy
Comets, Meteoroid Showers, Meteoroids, Spectroscopy, Spectrum Analysis, Video Data, Video Equipment, Video Tapes, Chemical Analysis, Chemical Elements, Data Storage, Meteoritic Microstructures, Optical Equipment, Photometry, Television Systems, Vidicons
Scientific paper
The chemistry of the cometary meteoroids was studied by closed circuit television observing systems. Vidicon cameras produce basic data on standard video tape and enable the recording of the spectra of faint shower meteors, consequently the chemical study is extended to smaller particles and we have a larger data bank than is available from the more conventional method of recording meteor spectra by photography. The two main problems in using video tape meteor spectrum records are: (1) the video tape recording has a much lower resolution than the photographic technique; (2) video tape is relatively new type of data storage in astronomy and the methods of quantitative photometry have not yet been fully developed in the various fields where video tape is used. The use of the most detailed photographic meteor spectra to calibrate the video tape records and to make positive identification of the more prominent chemical elements appearing in the spectra may solve the low resolution problem. Progress in the development of standard photometric techniques for the analysis of video tape records of meteor spectra is reported.
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