The Astrophysical Laboratory - RR Tel

Details The Astrophysical Laboratory - RR Tel The Astrophysical Laboratory - RR Tel

Jul 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995hst..prop.5863h&link_type=abstract

HST Proposal ID #5863

Astronomy and Astrophysics

Astrophysics

Hst Proposal Id #5863 Cool Stars

Scientific paper

The rich emission line spectrum of the symbiotic nova RR Tel provides one of the best laboratories for testing recent theoretical calculations of Einstein A-values and electron collision strengths. The GHRS provides the dynamic range, resolution and ability to handle fixed-pattern noise to make possible a systematic study of RR Tel with the aim of determining the accuracy of astrophysically important atomic data. These data include those used to measure electron densities in a wide variety of systems, such as the atmospheres of late-type stars and planetary nebulae. We will construct Empirical and semi-empirical models of the nebula of RR Tel based on a wide set of density and temperature diagnostics, and examine (and include) the effects of inhomogeneities on the inferred constraints derived for atomic transitions.

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