High resolution profiles of chromospheric lines in M dwarf stars

Details High resolution profiles of chromospheric lines in M dwarf stars High resolution profiles of chromospheric lines in M dwarf stars

Jun 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981apjs...46..159w&link_type=abstract

Astrophysical Journal Supplement Series, vol. 46, June 1981, p. 159-175.

Astronomy and Astrophysics

Astrophysics

44

Chromosphere, Dwarf Stars, Flare Stars, M Stars, Spectral Resolution, Stellar Spectrophotometry, Data Reduction, Emission Spectra, H Lines, Light Curve, Line Spectra, Sodium, Stellar Atmospheres, Stellar Evolution

Scientific paper

Forty-six hydrogen and sodium line profiles are presented for 17 selected dwarf M and dwarf M emission line stars. These profiles, derived from echelle spectrograms, typically have 0.25 A spectral resolution. Most of the dMe stars show hydrogen emission lines with central reversals. Central emission features in the cores of the Na D lines are often observed, and the presence of these emission features is strongly correlated with hydrogen line emission.

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