Spectrum variability of the silicon AP star HD 192913

Details Spectrum variability of the silicon AP star HD 192913 Spectrum variability of the silicon AP star HD 192913

May 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990pasp..102..581r&link_type=abstract

Astronomical Society of the Pacific, Publications (ISSN 0004-6280), vol. 102, May 1990, p. 581-585. Research supported by The Ci

Astronomy and Astrophysics

Astronomy

12

A Stars, Peculiar Stars, Rare Earth Elements, Silicon, Stellar Spectra, Variable Stars, Spectral Line Width, Stellar Magnetic Fields, Stellar Spectrophotometry

Scientific paper

The metal lines in the spectrum of the silicon Ap star HD 192913 are
found to change with the photometric period. Many commonly found atomic
species have lines which vary together in phase. The spectrum contains
lines of most of the doubly ionized rare earth elements.

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