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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

Jean-François Gonzalez  and
Marie-Christine Artru
Jean-François Gonzalez
Affiliation:
Ecole Normale Supérieure de Lyon, Laboratoire de Physique, 46, allée d’ItalieF-69364 LYON Cedex 07, FRANCE
Marie-Christine Artru
Affiliation:
Ecole Normale Supérieure de Lyon, Laboratoire de Physique, 46, allée d’ItalieF-69364 LYON Cedex 07, FRANCE

Abstract

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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
International Astronomical Union Colloquium , Volume 138: Peculiar versus Normal Phenomena in A-Type and Related Stars , 1993 , pp. 345 - 349
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.

References

Abt, H.A., Snowden, M.S., 1973, Astrophys. J. Suppl. Ser. 25, 137 CrossRefGoogle Scholar
Artru, M.-C., Freire-Ferrero, R., 1988, Astron. Astrophys. 203, 111 Google Scholar
El’kin, V.G., Glagolevskij, Yu.V., Romanjuk, I.I., 1987, Astrofizika 25, 24 Google Scholar
Hatzes, A.P., 1991, Month. Not. Roy. Astron. Soc. 248, 487 Google Scholar
Landstreet, J.D., 1988, Astrophys. J. 326, 967 Google Scholar
Michaud, G., Mégessier, C., Charland, Y., 1981, Astron. Astrophys. 103, 244 Google Scholar
Preston, G.W., 1969, Astrophys. J. 158, 251 Google Scholar
Roby, S.W., Lambert, D.L., 1990, Astrophys. J. Suppl. Ser. 73, 67 Google Scholar
Wehlau, W.H., Rice, J.B., Khokhlova, V.L., 1991, Astronomical and Astrophysical Transactions 1, 55 Google Scholar
Wolff, S.C., 1973, Astrophys. J. 186, 951 Google Scholar