Silicon-rich stellar envelope

Details Silicon-rich stellar envelope Silicon-rich stellar envelope

Mar 1975

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1975natur.254..311g&link_type=abstract

Nature, vol. 254, Mar. 27, 1975, p. 311, 312.

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1

Abundance, Emission Spectra, Hot Stars, Silicon, Stellar Envelopes, Line Spectra, Stellar Atmospheres, Stellar Spectra, Ultraviolet Spectra

Scientific paper

An investigation is conducted regarding the abnormal abundance of silicon in the envelope of the star SAO077308. The star has an extremely strong emission line at 2,520 A. To establish the anomalous nature of the line in the spectrum of this star, a comparison with the spectrum of another well known emission star, zeta Tau, of almost the same spectral class, has been made. A very approximate estimate shows that the relative abundance of silicon in the envelope of SAO077308 must be at least 3 to 4 times, and perhaps a whole order of magnitude, larger than in the envelope of zeta Tau.

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