Investigation of M Dwarf Atmospheres Using Archival STIS Data

Details Investigation of M Dwarf Atmospheres Using Archival STIS Data Investigation of M Dwarf Atmospheres Using Archival STIS Data

Jul 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004hst..prop10312h&link_type=abstract

HST Proposal ID #10312

Computer Science

Hst Proposal Id #10312 Cool Stars

Scientific paper

We propose an archival study of the STIS/MAMA data from program GO-8129. The data comprise the only high-resolution, near-ultraviolet spectra in the HST archive, and indeed in existence, for an M dwarf. We will analyze the six orbits of data to find periods of quiescence {between obvious flares}, and will produce a high signal-to-noise ratio summed quiescent spectrum for analysis. Using the CHIANTI database together with detailed radiative hydrodynamic models, we will investigate the outer atmospheric structure of active M dwarfs. Employing hundreds of lines in the archival spectrum as constraints, we will construct the first self-consistent model of an M dwarf atmosphere.

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