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1 Friedjung, M The Nature of Symbiotic Stars I03408 1982 eBook  
2 Mikolajewska, Joanna The Symbiotic Phenomenon I02620 1988 eBook  
3 Cassatella, Angelo Physics of Classical Novae I01011 1990 eBook  
4 Viotti, Roberto Physics of Formation of FeII Lines Outside LTE I00019 1988 eBook  
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TitleThe Nature of Symbiotic Stars : Proceedings of IAU Colloquium No. 70 Held at the Observatoire De Haute Provence, 26???28 August, 1981
Author(s)Friedjung, M;Viotti, Roberto
PublicationDordrecht, Springer Netherlands, 1982.
Description329 p : online resource
Abstract NoteMany aspects of symbiotic stars have long puzzled astronomers. For instance while most students of the subject have considered them binary, many have at different times supported single star models. The nature of their outbursts is uncertain, while the dividing line between symbiotic stars and novae is unclear. In any case doubts can even be raised as to whether a class of "Symbiotic Stars" really exists. Much new data has been obtained in recent years, in particular from the study of radiation outside the visual region. Many symbiotic stars have been studied in the UV with IUE since 1978, while X-rays were det?? ected in a few cases with the Einstein satellite. There have been a num?? ber of infrared and radio studies, and the number of known symbiotic stars has also considerably increased. Furthermore theoretical ideas have in recent years been considerably enriched by concepts of stellar winds, and accretion phenomena in binaries including accretion disks. It was there?? fore extremely opportune and timely to hold the first international meet?? ing exclusively devoted to these stars, so as to consider the new results from such a wide range of observations in different spectral regions, and the conclusions which can be drawn for possible models as well as theories of the nature and structure of symbiotic stars. After a session devoted to new observations in different spectral regions, a session was spent considering some individual stars
ISBN,Price9789400978348
Keyword(s)1. Astronomy, Observations and Techniques 2. Astronomy???Observations 3. EBOOK 4. EBOOK - SPRINGER 5. Observations, Astronomical
Item TypeeBook
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I03408     On Shelf    

2.     
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TitleThe Symbiotic Phenomenon : Proceedings of the 103rd Colloquium of the International Astronomical Union, Held in Torun, Poland, August 18???20, 1987
Author(s)Mikolajewska, Joanna;Friedjung, M;Kenyon, Scott J;Viotti, Roberto
PublicationDordrecht, Springer Netherlands, 1988.
Description380 p : online resource
Abstract NoteSymbiotic stars were identified spectroscopically as M giants with a very strong He II 4686 emission line. After five decades of study by many astronomers, the first internatioinal meetings devoted to symbiotics were held at the University of Colorado (Boulder) and at the Haute Provence Observatory during the Summer of 1981. These conferences emphasized exciting new results obtained by modern satellite (EINSTEIN, IUE) and ground-based observatories. Although the vast majority of the participants were already fairly sure that symbiotics are almost certainly interacting binary systems, and not extremely peculiar single stars, it was not clear exactly which types of physical processes were needed to be invoked to explain their observed behaviour. Many were even worried that it might not be possible to clearly define a class of "symbiotic stars" , and thus establish a unique model applicable to any system. Since the publication of the Haute-Provence proceedings, our understanding of the physical processes occuring in symbiotic stars (and in related objects such as cataclysmic variables and compact planetary nebulae) has greatly improved. We now speak confidently of a "symbiotic phenomenon" , in which an evolved red giant and a hot companion object (usually thought to be an accreting main sequence star or a luminous white dwarf star) happily coexist
ISBN,Price9789400929692
Keyword(s)1. ASTROPHYSICS 2. Astrophysics and Astroparticles 3. EBOOK 4. EBOOK - SPRINGER 5. IAU COLLOQUIUM; 103
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I02620     On Shelf    

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TitlePhysics of Classical Novae : Proceedings of Colloquium No. 122 of the International Astronomical Union. Held in Madrid, Spain, on 27???30 June 1989
Author(s)Cassatella, Angelo;Viotti, Roberto
PublicationBerlin, Heidelberg, Springer Berlin Heidelberg, 1990.
DescriptionXII, 464 p. 11 illus : online resource
Abstract NoteSatellite observations in various previously unexplored spectral regions have provided a host of data on novae over the last decade. This carefully refereed conference volume is devoted to classical novae and related objects. Around 30 papers discuss observations (basic properties of novae, outbursts, and nebular ejecta), theoretical considerations, and models of observations. In addition the reader will find an introductory review on binary stars by R.P. Kraft and a summary by P. Eggleton of the papers and posters presented at the conference. To help the reader in finding any specific subject or stellar object the volume concludes with a detailed index
ISBN,Price9783540466383
Keyword(s)1. Astronomy, Observations and Techniques 2. Astronomy???Observations 3. ASTROPHYSICS 4. Astrophysics and Astroparticles 5. EBOOK 6. EBOOK - SPRINGER 7. GEOPHYSICS 8. Geophysics/Geodesy 9. Observations, Astronomical
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I01011     On Shelf    

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TitlePhysics of Formation of FeII Lines Outside LTE : Proceedings of the 94th Colloquium of the International Astronomical Union Held in Anacapri, Capri Island, Italy, 4???8 July 1986
Author(s)Viotti, Roberto;Vittone, Alberto A;Friedjung, M
PublicationDordrecht, Springer Netherlands, 1988.
DescriptionXIII, 349 p. 52 illus : online resource
Abstract NoteThe same kind of physics is frequently common to very different fields of Astrophysics, so experts in each of these fields have often much to learn from each others. It was therefore logical that the International Astronomical Union should sponsor a colloquium about an ion which pro?? duces many spectral lines that can be used as a diagnostic for many sorts of objects, and which may sometimes have a major influence on physical processes occurring in astro?? physical sources. The lines of singly ionized iron (FeII) are present in absorption and emission in the spectra of objects such as the Sun, cool stars, circumstellar envelopes of hot stars, novae, diffuse nebulae including the supernova remnants, and active galactic nuclei. These lines are very often formed far from LTE, and their interpretation is not easy in view of the complex Grotrian diagram for FeII, and the gaps in the knowledge of various physical parameters. In addition, the density of very strong FeII lines becomes very large in the ultraviolet, and the lines can play a major role in the line blanketing. They need therefore to be taken into account in any energy balance argument
ISBN,Price9789400940239
Keyword(s)1. Astronomy, Observations and Techniques 2. Astronomy???Observations 3. EBOOK 4. EBOOK - SPRINGER 5. Observations, Astronomical
Item TypeeBook
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Accession#  Call#StatusIssued ToReturn Due On Physical Location
I00019     On Shelf    

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