Astronomy and Astrophysics – Astrophysics
Scientific paper
Sep 1994
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994cccscrept.....a&link_type=abstract
Final Report Citadel Coll., Charleston, SC. Dept. of Physics.
Astronomy and Astrophysics
Astrophysics
Astronomical Photography, Line Spectra, Spectrograms, Spectrum Analysis, Stellar Spectra, Astrophysics, Binary Stars, Stellar Atmospheres, Stellar Spectrophotometry
Scientific paper
Activities are presented for the grant-funded work at the Dominion Astrophysical (DAO) and Casleo Observatories. A comparison is planned for the spectrograms taken at both observatories of similar stars. It is reported that of the Northern Hemisphere program stars, only 112 Her remains to be analyzed. A preliminary solution for the components of this binary system has been found. The new ATLAS9 models have been used to reevaluate the effective temperatures and surface gravities derived for all program stars. Model atmospheres are being calculated by extensive grids on workstations upgraded to the DEC 3000 model 300X running Open VMS. An attached paper describes a plan to obtain the needed gf values as well as some first applications of astrophysical gf values, the most important of which was Vega.
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