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Variations of Ultra-Violet Lines for C, N, and O in the Ap Stars HD 18296 and HD 25823†
Published online by Cambridge University Press: 12 April 2016
Abstract
From the rotational variation of UV resonance lines of carbon, nitrogen, and oxygen, we study the irregular distribution of these elements upon the surface of two magnetic Ap stars: HD 18296 (21 Per) and HD 25823 (41 Tau).
- Type
- III. Magnetic Versus Non-Magnetic Stars
- Information
- Copyright
- Copyright © Astronomical Society of the Pacific 1993
Footnotes
Based on observations by the International Ultraviolet Explorer collected at the Villafranca Satellite Tracking Station of the European Space Agency.