The problem of S-asteroid matter

Details The problem of S-asteroid matter The problem of S-asteroid matter

May 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991pazh...17..453s&link_type=abstract

Pis'ma v Astronomicheskii Zhurnal (ISSN 0320-0108), vol. 17, May 1991, p. 453-461. In Russian. In Russian.

Astronomy and Astrophysics

Astronomy

Absorption Spectra, Asteroids, Astronomical Spectroscopy, Pyroxenes, Astronomical Catalogs, Chemical Composition, Spectral Bands, Stony Meteorites

Scientific paper

Correlations are found between the position of the Fe(2+) absorption band center near 505 nm, or lambda(1) in asteroid spectra and the color index u - x (ECAS catalog system) and also between lambda(1) and relative absorption in the 355-400 nm spectral range (TRIAD data). Pyroxenes dominating compositions for E-, V-, and S-asteroid types are evaluated. It is shown that the spectral differences of light stony meteorites and those of the S-asteroid type are caused by systematic differences in their surface matter composition.

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