Solar And Stellar Variability Iau S264
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Solar And Stellar Variability Iau S264
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Author : Alexander G. Kosovichev
language : en
Publisher: Cambridge University Press
Release Date : 2010-03-06
Solar And Stellar Variability Iau S264 written by Alexander G. Kosovichev and has been published by Cambridge University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010-03-06 with Science categories.
Understanding the physical mechanisms of solar variability and its effect on Earth and the planets is a central and long-standing problem of astronomy and astrophysics. Variability of a similar nature has been observed in other stars, and investigating their similarities and differences is essential to helping us understand the underlying mechanisms and their impacts on planets. During the past decade multi-wavelength data from several solar and stellar space missions, together with ground-based observations, have provided tremendous amounts of new information about the physical processes on the Sun and solar-type stars. Solar observations have revealed interesting connections between the cyclic variations of the structure, interior dynamics, surface magnetism and coronal phenomena, but it is still unclear where and how magnetic fields are generated in the Sun, and why it has a regular 22-year magnetic cycle. IAU Symposium 264 discusses key observational results, new theoretical ideas and models which address these subjects.
Long Term Datasets For The Understanding Of Solar And Stellar Magnetic Cycles Iau S340
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Author : Dipankar Banerjee
language : en
Publisher: Cambridge University Press
Release Date : 2018-12-31
Long Term Datasets For The Understanding Of Solar And Stellar Magnetic Cycles Iau S340 written by Dipankar Banerjee and has been published by Cambridge University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-12-31 with Science categories.
The Sun is our nearest star; it is a dynamic star, which changes with time. Solar variations have significant influence on Earth's space environment and climate through the Sun's magnetic field, irradiation and energetic particles. Long-term and reliable historical datasets of solar and stellar activity indices are crucial for understanding the variations and predicting the future solar cycle. IAU Symposium 340 brings together scientists from diverse, interdisciplinary areas to address the latest discoveries from these long-term datasets for the understanding of solar and stellar magnetic cycles. They make comparisons between different datasets and discuss how to make uniform databases. The proceedings of IAU S340 contain a selection of presentations and reviews from internationally renowned experts. They provide an up to date account of this field of importance to researchers and advanced students in solar, stellar, space and heliospheric physics.
The Sun As A Variable Star
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Author : International Astronomical Union. Colloquium
language : en
Publisher: Springer Science & Business Media
Release Date : 1994
The Sun As A Variable Star written by International Astronomical Union. Colloquium 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 1994 with Science categories.
The papers in this volume aim to represent the most up-to-date research contributions on the observations, theoretical interpretations, and empirical and physical models of variations observed in solar and stellar irradiances, as well as on Sun-climate connections. Both theoretical studies and irradiance observations show that the energy output of the Sun and solar-type stars varies, changing on time scales related to the short-term surface manifestations of solar/stellar magnetic activity as well as long-term modulations driven by processes in the interiors of the stars. Papers presented in this book point out that at the Earth these variations influence the terrestrial climate, radiative environment and upper atmospheric chemistry.
The Sun As A Variable Star
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Author :
language : en
Publisher:
Release Date : 1994
The Sun As A Variable Star written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994 with Solar oscillations categories.
The Sun As A Variable Star Solar And Stellar Irradiance Variations
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Author : Judit M. Pap
language : en
Publisher: Springer
Release Date : 2012-10-14
The Sun As A Variable Star Solar And Stellar Irradiance Variations written by Judit M. Pap and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-10-14 with Science categories.
The IAU Colloquium No. 143 "The Sun as a Variable Star: Solar and Stellar Irradiance Variations" was held on June 20 - 25, 1993 at the Clarion Harvest House, Boulder, Colorado, USA. The main objective of this Colloquium was to review the most recent results on the observations, theoretical interpreta tions, and empirical and physical models of the variations observed in solar and stellar irradiances. A special emphasis of the Colloquium was to discuss the results gained on the climatic impact of solar irradiance variability. The study of changes in solar and stellar irradiances has been of high interest for a long time. Determining the absolute value of the luminosity of stars with different ages is a crucial question for the theory of stellar evolu tion and energy production of stellar interiors. Observations of the temporal changes of solar and stellar irradiances - in the entire spectral band and at different wavelengths - provide an additional tool for studying the physical processes below the photosphere and in the solar- stellar atmospheres. Since the Sun's radiative output is the main driver of the physical processes with in the Earth's atmosphere, the study of irradiance changes is an extremely important issue for climatic studies as well. Climatic models show that small, but persistent changes in solar irradiance may influence the Earth's climate.
Information Bulletin
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Author : International Astronomical Union
language : en
Publisher:
Release Date : 2009
Information Bulletin written by International Astronomical Union and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009 with Astronomy categories.
The Sun Solar Analogs And The Climate
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Author : Joanna Dorothy Haigh
language : en
Publisher: Springer Science & Business Media
Release Date : 2006-03-30
The Sun Solar Analogs And The Climate written by Joanna Dorothy Haigh 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 2006-03-30 with Science categories.
The 34th Saas-Fee advanced course of the Swiss Society of Astronomy and Astrophysics (SSAA) took place from March 15 to 20, 2004, in Davos, on the subject of The Sun, Solar Analogs and the Climate. PresentlytheSwissmountainresortofDavosisprobablymostwellknown for hosting an event on globalization. However, it is because Davos also happens to be the seat of the Physikalisch-Meteorologisches Observatorium Davos and World Radiation Center, that this course on a “global” subject was hosted here. Exceptionally, the topic of this course was not purely astrophysical, but themembersoftheSSAAdecidedtosupportitallthesameduetothetimely topic of global warming and its possible link to solar variations. In these times of concern about global warming, it is important to und- stand solar variability and its interaction with the atmosphere. Only in this way can we distinguish between the solar and anthropogenic contributions to the rising temperatures. Therefore, this course addressed the observed va- ability of the Sun and the present understanding of the variability’s origin and its impact on the Earth’s climate. Comparing the solar variability with that of solar analog stars leads to a better understanding of the solar activity cycle and magnetic activity in general, and helps us to estimate how large the solar variations could be on longer time scales. Inspiteofthefantasticweatherandsnowconditionswhichreignedduring this week, the participants assiduously took part in the lectures. This is proof ofthehighqualityofthelecturesthatthethreespeakers,JoannaHaigh,Mike Lockwood and David Soderblom, delivered. We deeply thank them for their contributions and e?orts and hope that the readers will enjoy the book as much as we enjoyed their lectures.
Multi Wavelength Investigations Of Solar Activity Iau S223
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Author : International Astronomical Union. Symposium
language : en
Publisher: Cambridge University Press
Release Date : 2004
Multi Wavelength Investigations Of Solar Activity Iau S223 written by International Astronomical Union. Symposium and has been published by Cambridge University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with Science categories.
These Proceedings present the most recent results from the highly successful international solar space missions (SOHO, CORONAS-F, TRACE, RHESSI, YOHKOH) and ground observatories around the Earth, reported at the IAU Symposium 223 held in St. Petersburg, Russia, June 14-19, 2004. These include discussions of the current theories of solar dynamics and activity, new constraints provided by the multi-wavelength observations of the Sun from the interior to the heliosphere, as well as discussions of future coordinated plans and efforts of multi-wavelength investigations of the Sun. The Proceedings contain the material of seven plenary sessions and three round-table discussions
Solar And Stellar Flares
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Author : Lyndsay Fletcher
language : en
Publisher: Springer
Release Date : 2016-12-21
Solar And Stellar Flares written by Lyndsay Fletcher and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-12-21 with Science categories.
This volume is a collection of research articles on the subject of solar flares and flares on other cool stars, which are currently extensively studied using new ground- and space-based instruments, together with highly sophisticated numerical simulations. The collection memorializes the work of a pioneer in the study of solar physics, Professor Zdenek Švestka (1925 Prague – 2013 Bunschoten), a leading expert in the field of solar flares and the co-founder and Editor-in-Chief of the journal Solar Physics. The book contains many contributions to the conference “Solar and Stellar Flares: Observations, simulations and synergies”, held in Prague during 23 – 27 June 2014, organised in honor and memory of Professor Švestka. Originally published as Topical Issue of Solar Physics, Vol. 290, Issue 12, 2015.
Cosmic Magnetism
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Author : Percy Seymour
language : en
Publisher: CRC Press
Release Date : 1986
Cosmic Magnetism written by Percy Seymour and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1986 with Art categories.
The study of extraterrestrial magnetic fields is a relatively new one, confirmation of the existance of the first such field (that of our Sun) having come a s late as 1908. In the past 30 years a great ammount of knowledge has been accumulated on Cosmic Magnetism, which has turned out to be a truly fascinating topic for study. Percy Seymour's book is the first to deal with the topic in a non-mathematical way, and he offers a fine introduction to his subject. The first three chapters consolidate our knowledge on magnetism in general and the magnetic field of the Earth, as well as discussing the reasons for studying astronomy and cosmic magnetism in particular. The remainder of the book is devoted to the main areas of cosmic magnetism - solar, plantetary and interplanetary fields, fields in stars and pulsars, fields of the milky way and fields in other galaxies. Cosmic Magnetism in an ideal book for sixth-formers and undergraduates studying physics or astronomy and will also appeal to amateur astronomers. as previous work on this topic has been 'hidden' in specialised academic journals.
