Study of the main geochemical characteristics of Phobos' regolith using laser time-of-flight mass spectrometry

Details Study of the main geochemical characteristics of Phobos' regolith using laser time-of-flight mass spectrometry Study of the main geochemical characteristics of Phobos' regolith using laser time-of-flight mass spectrometry

Oct 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010sosyr..44..376m&link_type=abstract

Solar System Research, Volume 44, Issue 5, pp.376-384

Computer Science

2

Scientific paper

The peculiarities of the airborne LAZMA instrument applied for the measurement of the isotopic and elemental composition of Phobos’ regolith by the method of laser time-of-flight mass spectrometry are discussed. These measurements may confirm the assumptions that the material of Phobos is an initial substance with a composition close to carbonaceous chondrites, from which the Earth was formed. The results of the measurements may also confirm the original mechanism of the formation of the anomalous absorption of Phobos’ regolith suggested in this study. The obtained results regarding the elemental composition of the regolith may contain information about the conditions of the formation of Phobos, as well as provide information about it age. The scientific tasks of individual experiments and ways for their realization are considered in the paper. A detailed description of the airborne instrument and the principle of its operation is presented. The analytical and technical characteristics of the instrument and the peculiarities of constructive decisions are given. Data on the most important functional assemblies of the instrument, the development and transmission of scientific information to the Earth, are considered. The mass spectra presented in the paper were obtained by airborne instruments during the course of their laboratory test and the selection of the operating regime. It is demonstrated that the LAZMA instrument is the first version of the original next-generation airborne instrument constructed at the Space Research Institute and patented in Russia.

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