Investigation of M Dwarf Atmospheres Using Archival STIS Data
Abstract
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.
- Publication:
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HST Proposal
- Pub Date:
- July 2004
- Bibcode:
- 2004hst..prop10312H