The Ultraviolet Spectra of Thin Evaporated Films of Carbonaceous Chondrite

Details The Ultraviolet Spectra of Thin Evaporated Films of Carbonaceous Chondrite The Ultraviolet Spectra of Thin Evaporated Films of Carbonaceous Chondrite

Aug 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993ap%26ss.206..111i&link_type=abstract

Astrophysics and Space Science, Volume 206, Issue 1, pp.111-117

Astronomy and Astrophysics

Astrophysics

1

Scientific paper

Absorption spectra in the visible to the near ultraviolet were measured on the Belgica chondrite B-7904 in a form of thin solid film made by the vacuum evaporation. The spectra obtained exhibit a sharp peak at 226 nm and a broad bump around 280nm. These features were found arising from the meteorite component FeS (troilite). The peak at 226 nm shows a doublet structure with the band-width considerably narrower than the 217.5 nm feature in the interstellar extinction. The absorption spectra obtained previously with the pulverized chondrites suspended in a liquid were also found reproducible by the pulverized FeS.

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