The Coronae of Inactive Low-Mass Dwarfs

Details The Coronae of Inactive Low-Mass Dwarfs The Coronae of Inactive Low-Mass Dwarfs

Oct 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000head....5.4217k&link_type=abstract

American Astronomical Society, HEAD Meeting #5, #42.17; Bulletin of the American Astronomical Society, Vol. 32, p.1257

Astronomy and Astrophysics

Astronomy

Scientific paper

We analyze deep EUVE/SW data of two inactive low-mass dM stars GJ 205 and GJ 411. The spectra do not show any spectral lines that can be used for temperature or density diagnostics. We therefore model these spectra with different types of Differential Emission Measure (DEM) distributions and show that the peak temperature in the corona is akin to the Quiet Sun. We also derive constraints on the metallicity of the corona of GJ 205, and suggest that compared to its photosphere the corona appears to be metal deficient.

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