Proceedings of IAU Symposium No. 72 held in Lausanne-Dorigny, Switzerland, July 8-11, 1975
Les informations fournies dans la section « Synopsis » peuvent faire référence à une autre édition de ce titre.
Proceedings of IAU Symposium No. 72 held in Lausanne-Dorigny, Switzerland, July 8-11, 1975
Les informations fournies dans la section « A propos du livre » peuvent faire référence à une autre édition de ce titre.
Vendeur : Antiquariat Tröger, Lörrach, Allemagne
Illustr. Karton - Broschur. Etat : Good Condition. Etat de la jaquette : No Dustjacket. XXVIII, 264 pages with figures; good condition; N° de réf. du vendeur 008718
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Vendeur : Books Puddle, New York, NY, Etats-Unis
Etat : New. pp. 298. N° de réf. du vendeur 2698067119
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Kartoniert / Broschiert. Etat : New. Proceedings of IAU Symposium No. 72 held in Lausanne-Dorigny, Switzerland, July 8-11, 1975 The general discussions of the roles of photometric and spectroscopic classification at Cordoba in 1971 (lAU Symposium No. 50), and of the calibration of classif. N° de réf. du vendeur 5814250
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Vendeur : Biblios, Frankfurt am main, HESSE, Allemagne
Etat : New. PRINT ON DEMAND pp. 298. N° de réf. du vendeur 1898067109
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Taschenbuch. Etat : Neu. Neuware - The general discussions of the roles of photometric and spectroscopic classification at Cordoba in 1971 (lAU Symposium No. 50), and of the calibration of classification indices at Geneva in 1972 (IAU Symposium No. 54), revealed clearly the steadily in creasing importance of abundance parameters. The multipliCity of these, however, raised so many new problems that it was logical that the 1975 meeting at Lausanne should be concerned with ways in which differences in abundance affect both spectral types and photometric indices. Commissions 29 and 36 joined with Commission 45 in sponsoring this Symposium. Since the date of the meeting came shortly after the formal retirement of Professor William W. Morgan from the University of Chicago, it was quickly agreed that this meeting should be dedicated to him in recognition of his unique contributions to spectral classification. In the opening paper of the Symposium Dr. Bengt Stromgren has summarized these. To his remarks we should add only that it was about 1940 that Morgan first distinguished the group of G- and K-type stars with weak CN bands and metallic lines - stars which have since been recognized as having the abundance of all metals relative to hydrogen much lower than in stars of the solar population. Spectra of two of these, HD 81192 (Boss 2527) and 8 Lep, were later shown as examples of the group in the Yerkes Atlas of 1943. N° de réf. du vendeur 9789027706751
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