Astronomy and Astrophysics – Astronomy
Scientific paper
Feb 1982
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982sval....8...15w&link_type=abstract
(Pis'ma v Astronomicheskii Zhurnal, vol. 8, Jan. 1982, p. 30-37.) Soviet Astronomy Letters, vol. 8, Jan.-Feb. 1982, p. 15-19. Tr
Astronomy and Astrophysics
Astronomy
19
A Stars, Astronomical Maps, Chromium, Iron, Mass Distribution, Peculiar Stars, Metallic Stars, Stellar Rotation, Stellar Spectra, Stellar Spectrophotometry
Scientific paper
Epsilon Ursae Majoris (HD 112185) is one of the brightest peculiar A stars, and it has long been classified as Ap. In connection with an investigation of the surface of Epsilon UMa, high-precision profiles of the Fe I, Fe II, Cr I, Cr II lines in the stellar spectrum have been obtained with the aid of a reticon on a 1.2-m telescope. The obtained profiles have been employed to solve the inverse problem numerically by means of a method described by Goncharskii et al. (1977). The line profiles were recorded between March and August 1980 at 2.4-A dispersion with the coude spectrograph of a 1.2-A reflector. The profiles were recorded to better than 1 percent photometric accuracy.
Khokhlova V. L.
Piskunov Nikolai E.
Rice Jr. J.
Wehlau William
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