Astronomy and Astrophysics – Astrophysics
Scientific paper
Jun 1980
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980a%26a....86..149a&link_type=abstract
Astronomy and Astrophysics, vol. 86, no. 1-2, June 1980, p. 149-154.
Astronomy and Astrophysics
Astrophysics
21
A Stars, B Stars, Magnetic Stars, Spectral Energy Distribution, Stellar Spectrophotometry, Continuous Spectra, Paschen Series, Stellar Atmospheres, Stellar Temperature
Scientific paper
Spectrophotometry of the 3300-7100 A optical region is presented for seven magnetic Ap stars: HD 32650, 84 Ursa Majoris, HD 149822, 19 Lyrae, 4 Cygni, HD 196178, and 108 Aquarii. The energy distributions of all seven stars show definite 4200 A and 5200 A broad, continuum features as well as other more subtle deviations from the predictions of normal stellar atmospheres. The observations of HD 32650 violate the general rule for the Ap stars that the temperature found by comparing the Balmer jump regions with the predictions of normal stellar atmospheres with log g = 4.0 are systematically greater than those found from fitting the slopes of the Paschen continua.
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