AAS 202nd Meeting, May 2003
Session 32 Stellar Atmospheres and Circumstellar Material
Poster, Tuesday, May 27, 2003, 10:00am-6:30pm, West Exhbit Hall

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[32.04] Ultraviolet Spectral Images of EI Eri and HD 199178

T.S. Boyajian, J.E. Neff, M.E. Woehrman (College of Charleston)

We have used the reprocessed IUE archives to revisit ultraviolet spectral imaging results obtained using the original data. The reprocessed data have higher signal-to-noise and a more reliable wavelength scale. Inaccuracies in the wavelength scale prevented a unique interpretation of the single-lined systems, such as EI Eri and HD 199178. We are reanalyzing these spectra using improved data and computational techniques. We will present a detailed comparison of spatial maps derived using the reprocessed and original data. We can use these maps as inputs to chromospheric and flare models.

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Bulletin of the American Astronomical Society, 35 #3
© 2003. The American Astronomical Soceity.