Comparison Between Model Atmospheres And Observations Of Early Type Stars

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Comparisons Between Model Atmospheres And Observations Of Early Type Stars

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Author : Stephen Eric Strom
language : en
Publisher:
Release Date : 1964

Comparisons Between Model Atmospheres And Observations Of Early Type Stars written by Stephen Eric Strom and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1964 with Early stars categories.

Comparison Between Model Atmospheres And Spectra From Early Type Stars

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Author : E. H. AVRETT
language : en
Publisher:
Release Date : 1964

Comparison Between Model Atmospheres And Spectra From Early Type Stars written by E. H. AVRETT and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1964 with categories.

To assist in the interpretation of ultraviolet continuum observations, observational features are presented of a grid of non-grey model atmospheres in strict radiative equilibrium which have effective temperatures in the range 10000K to 20000K and surface gravities 1000 and 10000. For three models, the blended wings of the higher Balmer and Lyman hydrogen lines are added and include in an approximate way further effects of line blanketing in the ultraviolet. Finally, a preliminary calculation is presented of the effect of departures from L.T.E. on the continuous flux. To examine the validity of the models, the predicted continuous flux and predicted line profiles are compared with the corresponding observed quantities for Vega and Sirius. The question of discrepancies between theory and observations in the ultraviolet is considered from the viewpoint of these new calculations, and find generally good agreement with recent observations made by T. Stecher. (Author).

Comparison Between Model Atmospheres And Observations Of Early Type Stars

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Author : Stephen Eric Strom
language : en
Publisher:
Release Date : 1964

Comparison Between Model Atmospheres And Observations Of Early Type Stars written by Stephen Eric Strom and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1964 with Stars categories.

Blanketed Model Atmospheres For Early Type Stars

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Author : Robert L. Kurucz
language : en
Publisher:
Release Date : 1974

Blanketed Model Atmospheres For Early Type Stars written by Robert L. Kurucz and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1974 with Early stars categories.

The Early Type Stars

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Author : A.B. Underhill
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06

The Early Type Stars written by A.B. Underhill and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Science categories.

At this time when astronomers are being surprised by the discovery of objects which emit a fabulously large amount of energy, that is the quasi-stellar radio sources and the quasi-stellar galaxies, and when by the means of space vehicles X rays, gamma rays and cosmic rays are being observed to come from the depths of interstellar space, one may ask why write a book about stars. Stars seem to be almost incidental when one looks at the universe in terms of exceedingly great energies. Nevertheless, stars exist. They are accessible to study and they have not yet revealed all their secrets. This is enough to arouse interest and to cause one to try to find answers to the questions which arise. The early type stars are particularly interesting because they are spendthrift stars pouring out their energy at a great rate. But their brilliance is also their undoing. They must evolve rather quickly, on an astrophysical scale. Thus by studying these stars we are studying a population in change. The implications from the local and from the cosmological viewpoint are important if one wishes to understand the details of stellar evolution and of galactic structure. Perhaps one of the simplest reasons for writing a book about the early type stars is to see if some of the conundrums pre sented by the spectra of these stars can be unravelled when all the available infor mation is brought together.

Scientific And Technical Aerospace Reports

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Author :
language : en
Publisher:
Release Date : 1989

Scientific And Technical Aerospace Reports written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1989 with Aeronautics categories.

Special Report

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Author : Smithsonian Astrophysical Observatory
language : en
Publisher:
Release Date : 1967

Special Report written by Smithsonian Astrophysical Observatory and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1967 with Artificial satellites categories.

Literature 1980 Part 2

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Author : Siegfried Böhme
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-04-18

Literature 1980 Part 2 written by Siegfried Böhme and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-04-18 with Science categories.

Blanketed Model Atmospheres For Early Type Stars

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Author : Robert L. Kurucz
language : en
Publisher:
Release Date : 1974

Blanketed Model Atmospheres For Early Type Stars written by Robert L. Kurucz and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1974 with Early stars categories.

The Astrophysics Of Emission Line Stars

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Author : Tomokazu Kogure
language : en
Publisher: Springer Science & Business Media
Release Date : 2010-05-05

The Astrophysics Of Emission Line Stars written by Tomokazu Kogure and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010-05-05 with Science categories.

Emission line stars are attractive to many people because of their spectacular phenomena and their amazing varieties and variability. This book offers general information on emission line stars, starting from a brief introduction to stellar astrophysics and then moving to a broad overview of emission line stars including early and late type stars as well as pre-main sequence stars.