Previous studies established the presence of high abundance of platinum in the atmospheres of 'chemically peculiar stars' and a possibility of the presence of nonterrestrial isotope abundances in these stars. This paper presents the detailed information on the structure of 17 Pt II lines of astrophysical importance, including the wavelengths, relative intensities, hyperfine structures, and isotope splittings, measured from high-resolution Fourier transform spectra of a platinum hollow cathode. The probable errors in transition wavenumbers, isotope shifts, and hyperfine splits presented are estimated to be 0.01/cm or less.
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Jr. Engleman Rolf (1989) studied this question.