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Titlebook: Be and Shell Stars; Arne Slettebak (Chairman) Book 1976 Springer Science+Business Media Dordrecht 1976 photometry.spectroscopy.star.stella

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發(fā)表于 2025-3-21 19:12:47 | 只看該作者 |倒序?yàn)g覽 |閱讀模式
期刊全稱Be and Shell Stars
影響因子2023Arne Slettebak (Chairman)
視頻videohttp://file.papertrans.cn/182/181899/181899.mp4
學(xué)科分類International Astronomical Union Symposia
圖書封面Titlebook: Be and Shell Stars; Arne Slettebak (Chairman) Book 1976 Springer Science+Business Media Dordrecht 1976 photometry.spectroscopy.star.stella
影響因子The International Astronomical Union Symposium No. 70 on Be and Shell Stars, the Merrill-McLaughlin Memorial Symposium, was held in Bass River (Cap Cod), Massachusetts, U. S. A. , from September 15th through 18th, 1975. Fifty-three astronomers from Argentina, Belgium, Canada, Czechoslovakia, France, Israel, the United Kingdom, the United States, and the Vatican attended and participated in the Symposium. This volume, which parallels the actual program closely, contains the papers presented at the Symposium plus most of the discussion following the papers. New observational techniques and fresh theoretical ideas have resulted over the past few years in a renewed interest in Be and shell stars. At IAU Symposium No. 51 on Extended Atmospheres and Circumstellar Matter in Spectroscopic Binary Sys- tems, the Otto Struve Memorial Symposium, in Parksville, British Columbia, Canada, three years ago, a number of participants expressed the wish to organize a symposium on Be and shell stars. If we wish to identify an official ‘Father of IAU Symposium No. 70‘, it would be Mirek Plavec who, in his capacity as President of IAU Commission 42 (Photometric Double Stars) requested and received the co
Pindex Book 1976
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發(fā)表于 2025-3-21 23:14:54 | 只看該作者
https://doi.org/10.1007/978-3-031-05328-3The early history of the studies on Be stars is reviewed. The importance of keeping in mind a basic model of a Be star is emphasized, and the binary star model is suggested as one serious possibility at least for some Be stars.
板凳
發(fā)表于 2025-3-22 02:28:30 | 只看該作者
Lecture Notes in Computer ScienceAt the Haute Provence Observatory, a survey of the Be stars brighter than the seventh magnitude was initiated by Herman and her collaborators twenty years ago.
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發(fā)表于 2025-3-22 06:59:35 | 只看該作者
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發(fā)表于 2025-3-22 11:56:42 | 只看該作者
https://doi.org/10.1007/978-1-4899-0936-7A model for the shell star HD 50138 is inferred from the observation of the continuous spectrum from 0.14 to 10 ..
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發(fā)表于 2025-3-22 15:34:59 | 只看該作者
https://doi.org/10.1007/978-1-4613-2823-0The appearance of singly ionized iron emission lines in the spectra of early type stars is studied, and the results of a spectroscopic investigation of EW Lac and other Be stars are given. We also discuss the atomic processes of excitation of Fe ti in the stellar envelopes using a two-parameter diagram W, ......
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發(fā)表于 2025-3-23 03:49:52 | 只看該作者
Rapid Variations of H, in Be StarsPhotoelectric spectrum scans of Be stars were analysed to study the short-term variations of H. emission strengths. In . Tau, . Col, PP Car, and . Cen, definite variations of a few percent with time scales of 1 to 3 minutes were found. These variations do not exhibit any periodicity.
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發(fā)表于 2025-3-23 08:20:03 | 只看該作者
A Model for the Shell of HD 50138A model for the shell star HD 50138 is inferred from the observation of the continuous spectrum from 0.14 to 10 ..
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