Production and optical constraints of ice tholin from charged particle irradiation of (1:6) C2H6/H2O at 77 K

Production and optical constraints of ice tholin from charged particle irradiation of (1:6) C2H6/H2O at 77 K

Fifty separate irradiations of a 6:1 mixture of H2O/C2H6 ice conducted over a 5-month period have yielded sufficient tholin for the determination of its physical constants in the 0.06 to 40 micron range. While the imaginary part of the refractive index k was obtained by transmission measurements on...

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Veröffentlicht in:Icarus (New York, N.Y. 1962) N.Y. 1962), 1993-06, Vol.103 (2), p.290-300
Hauptverfasser: Khare, B. N., Thompson, W. R., Cheng, L., Chyba, C., Sagan, C., Arakawa, E. T., Meisse, C., Tuminello, P. S.
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Sprache:eng
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Astrophysics
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Zusammenfassung:Fifty separate irradiations of a 6:1 mixture of H2O/C2H6 ice conducted over a 5-month period have yielded sufficient tholin for the determination of its physical constants in the 0.06 to 40 micron range. While the imaginary part of the refractive index k was obtained by transmission measurements on thin-film samples and Kramers-Kronig analysis (KKA), the real part of the refractive index was obtained by KKA and ellipsometry; these data may prove useful in cometary and outer solar system spectrometric interpretation.
ISSN:0019-1035