Elemental Abundances in Early-Type Stars - Cycle 2 Observations

Details Elemental Abundances in Early-Type Stars - Cycle 2 Observations Elemental Abundances in Early-Type Stars - Cycle 2 Observations

Jul 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992hst..prop.3961l&link_type=abstract

HST Proposal ID #3961

Physics

Hst Proposal Id #3961

Scientific paper

The resolving power and photometric quality of the GHRS are exploited in an investigation of the elemental abundances, atmospheric properties and evolutionary characteristics of non-magnetic, chemically peculiar (HgMn) B stars. Special emphasis is given to a thorough exploration of the Hg abundance and isotope anomalies to test diffusion scenarios. A wide ranging UV spectral survey at high resolution and high S/N will be conducted in a single archetypical star, chi Lupi, with the objective of deriving accurate elemental abundances over as much of the periodic table as possible. The stellar spectra will also be used as an "atomic physics" laboratory, to obtain basic information about the structure of and configuration interactions within complex atoms and ions.

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