Iron and chromium absorption bands in the spectra of terrestrial pyroxenes - Application to mineralogical remote sensing of asteroid surfaces

Details Iron and chromium absorption bands in the spectra of terrestrial pyroxenes - Application to mineralogical remote sensing of asteroid surfaces Iron and chromium absorption bands in the spectra of terrestrial pyroxenes - Application to mineralogical remote sensing of asteroid surfaces

Aug 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991avest..25..442s&link_type=abstract

Astronomicheskii Vestnik (ISSN 0320-930X), vol. 25, July-Aug. 1991, p. 442-452. In Russian.

Astronomy and Astrophysics

Astronomy

6

Absorption Spectra, Asteroids, Mineralogy, Planetary Surfaces, Pyroxenes, Remote Sensing, Chromium, Iron, Line Spectra, Metal Ions, Temperature Effects

Scientific paper

The dependence of the position of Fe(2+) and Cr(3+) absorption bands in the spectra of terrestrial pyroxenes on temperature is investigated. A SW shift (about 10 nm) of the 0.95-micron Fe(2+) band and the absence of a Cr(3+)-band shift in the interval from room temperature to nitrogen temperature are found. The possibility of remote diagnostics of the composition of pyroxenes from the position of the Fe(2+) absorption band in the center at 0.505 micron is shown.

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