DEPLETION OF TiO AND SPECTRA OF THE COOLEST BROWN DWARFS

Автор(и)

  • Ya. V. Pavlenko Main Astronomical Observatory of National Academy of Sciences, Україна

DOI:

https://doi.org/10.18524/1810-4215.1997.10.105405

Ключові слова:

dwarfs, lithium abundances, synthetical spectra

Анотація

This study was performed in the context of the ”lithium test” for brown dwarfs proposed by Rebolo et al. (1992). We consider the formation of lithium dust species in atmospheres of the coolest stars and substellar objects. Perspectives on the ” lithium test” for the latest M-dwarfs with dusty atmospheres are discussed. Synthetic spectra computed for dusty (Tsuji 1996a) model atmospheres of the coolest M-dwarfs do not show any TiO bands!

Посилання

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Allard F. : 1997. in Brown Dwarfs and Extrasolar Meeting. eds. Martin E. Rebolo R., Zapatero Osorio M.. in press.

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Kirkpatrick J.D., Henry T.J., Liebert J.:1993. Prepr. of the Steward Obs. 1076. 1

Pavlenko Ya.V.: 1997. in preparation

Rebolo R.. Martin E.L., Magazzu A.: 1992. Astrophys. J. 389. L. 83

Tsuji T., Ohnaka K., Aoki W.: 1996a. As.Ap. 305. L1

Tsuji T., Ohnaka K., Aoki W.: 1996b. As.Ap., 308.L29

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Опубліковано

2017-06-27

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