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Ultraviolet Spectral Imaging

Published online by Cambridge University Press:  19 July 2016

James E. Neff
Affiliation:
Joint Institute for Laboratory Astrophysics, Univ. of Colorado, Boulder, CO 80309-0440, USA

Abstract

I discuss the general problem of determining the spatial structure in the outer atmospheres of active, late-type stars. There are several major differences between the problems of imaging photospheres and of imaging chromospheres. Because of these differences, chromospheric spectral imaging must be based on a direct deconvolution of the observed emission line profiles. I present results based on IUE spectra of AR Lac (=HD 210334).

Type
IV. Spectroscopic Patterns of Stellar Atmospheres
Copyright
Copyright © Kluwer 1988 

References

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Neff, J.E., Walter, F.M., and Rodonò, M. 1986, in New Insights in Astrophysics: Eight Years of Astronomy With IUE, ESA SP-263, p. 153.Google Scholar
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Walter, F.M., Neff, J.E., Gibson, D.M., Linsky, J.L., Rodonò, M., Gary, D.E., and Butler, C.J. 1987, Astr. Ap. in press.Google Scholar
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