Spectral Evidence for Dust in Late-Type M Dwarfs | Zendy

H. R. A. Jones | Zendy; Takashi Tsuji | Zendy

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Spectral Evidence for Dust in Late-Type M Dwarfs

Author(s) -

H. R. A. Jones,

Takashi Tsuji

Publication year - 1997

Publication title -

the astrophysical journal

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.376

H-Index - 489

eISSN - 1538-4357

pISSN - 0004-637X

DOI - 10.1086/310619

Subject(s) - astrophysics , spectral line , stellar classification , physics , type (biology) , absorption (acoustics) , astronomy , geology , optics , paleontology

We have found a dramatic change in the spectra of late-type M dwarfs atwavelengths shorter than 0.75 microns. Comparisons with synthetic spectraillustrate that this change is well explained by the presence of dust. It thusseems that a substantial part of the long-standing discrepancies betweenlate-type M dwarf models and observations arises from dust as recently proposedby Tsuji, Ohnaka and Aoki (1996a).Comment: 9 pages, 5 postscript figs, ApJL accepte

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