On the continuous energy distributions of peculiar A stars

Details On the continuous energy distributions of peculiar A stars On the continuous energy distributions of peculiar A stars

Jan 1975

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1975apj...195..397a&link_type=abstract

Astrophysical Journal, vol. 195, Jan. 15, 1975, pt. 1, p. 397-403.

Astronomy and Astrophysics

Astrophysics

40

A Stars, Abundance, Continuous Spectra, Main Sequence Stars, Spectral Energy Distribution, Stellar Spectrophotometry, Absorption Spectra, Balmer Series, Line Spectra, Magnetic Stars, Radiant Flux Density, Stellar Spectra

Scientific paper

Spectrophotometric scans which cover the wavelength region from 3300 to 7100 A of 11 magnetic Ap and 11 normal stars are used in connection with published energy distributions to examine the similarity of the continuous energy distributions of peculiar A and normal main-sequence stars. As observed from the ground, the flux distributions of the Hg-Mn stars empirically match those of the normal stars while those of the magnetic Ap and normal stars match in a gross sense. Many magnetic Ap stars are found to possess broad, continuous absorption features which are most likely produced by bound-free discontinuities of common metals, in particular Si I, neutral iron-peak elements, and the singly ionized rate earths.

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