By C. Jaschek (auth.), Mercedes Jaschek, Philip C. Keenan (eds.)
ISBN-10: 9400953259
ISBN-13: 9789400953253
ISBN-10: 9401088519
ISBN-13: 9789401088510
`This finished evaluate of pink titanic stars with excesses of heavy metals succeeds in conveying not just the wealth of observational facts now on hand at the features of cool stars but in addition the intense growth of the final sixty five years in knowing the complicated technique of stellar evolution. The publication serves as an incredible milestone that allows you to a extra entire knowing of the evolution of stars.'
Science, 232 (1986)
Read or Download Cool Stars with Excesses of Heavy Elements: Proceedings of the Strasbourg Observatory Colloquium Held at Strasbourg, France, July 3–6, 1984 PDF
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Extra info for Cool Stars with Excesses of Heavy Elements: Proceedings of the Strasbourg Observatory Colloquium Held at Strasbourg, France, July 3–6, 1984
Example text
SPECTROPHOTOMETRIC CHARACTERISTICS OF BARIUM STARS 29 DISCUSSION KEENAN - Is it not reasonable to say that your "semi-barium" stars have weaker Ba lines than the "marginal" barium stars just because we had spectra of better resolution than the people classifying from objective prism plates had? LU - I did not suggest that "semi-barium" stars are different from "marginal Ba", but only said that I do not have Ba/Fe values for semi-Ba stars, thus I cannot compare them. 5. CA YREL - I am afraid I do not understand the ordinate in this diagram.
In this spectral region of )JCep TiO molecular lines are present together with atomic lines of metallic elements(cf: Davis 1947). It became evident, however,that the comparative study of the tracing of )JCep with those of the same s~€'Ctral region of carbon stars is very useful for the identification of 1 CN and 13CN . 4 shows two tradngs of Y CVn, a carbon star(top) and )Jeep, an M-type star (bottom). Identified CN lines are marked by (4,2), (3,1), and (2,0) and identified H2 0 lines by P2 and Q3.
GLEIZES F. : 1984, Thesis: in preparation. H. : 1977, Astron. Astrophys. H. : 1978, IAU Symp. H. B. : 1983, Publications of the Astron. Soc. of the Pacific 95, 739. MAYOR M. - ACKERA. : 1980, Astron. ~, 1 39 PECULIAR COOL STARS IN PLANETARY NEBULAE - THE SPECTRUM OF FG SGE TABLE I : Nuclei of PN with a peculiar cool spectrum Name Magnitude Galactic Spectral type of the star* of Usual number the star* name 80-6°1 Comments on the nature of the object* CRL 2688 F5 Ia + anomalous lines (molec. C2 emiss.
Cool Stars with Excesses of Heavy Elements: Proceedings of the Strasbourg Observatory Colloquium Held at Strasbourg, France, July 3–6, 1984 by C. Jaschek (auth.), Mercedes Jaschek, Philip C. Keenan (eds.)
by Donald
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