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Plasma Loops in the Solar Corona

Plasma Loops in the Solar Corona
Author: R. J. Bray
Publisher: Cambridge University Press
Total Pages: 524
Release: 1991-07-18
Genre: Science
ISBN: 0521351073
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A comprehensive account of the properties of plasma loops, the fundamental structural elements of the solar corona. Plasma loops cover a wide range of sizes and range in temperature from tens of thousands to millions of degrees. They not only define the structure of individual active regions but connect different active regions--even across the solar equator. Loops also play an integral and decisive role in the enormous solar explosions called flares. Over recent years a wealth of space and ground-based observations of loops has been obtained in various widely-spaced regions of the electromagnetic spectrum. In this book the authors have selected the best observational material from the literature on which to base a detailed account of the properties of flare and non-flare loops. The book also explores the larger implications of the loop structures for our understanding of solar and stellar coronae. The text is enhanced by a large number of illustrations and unique and beautiful photographs obtained from the ground and from space.

Plasma Loops in the Solar Corona

Plasma Loops in the Solar Corona
Author: R. J. Bray
Publisher: Cambridge University Press
Total Pages: 524
Release: 2006-03-30
Genre: Science
ISBN: 9780521022231
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A comprehensive account of the properties of plasma loops, the fundamental structural elements of the solar corona. Plasma loops cover a wide range of sizes and range in temperature from tens of thousands to millions of degrees. They not only define the structure of individual active regions but connect different active regions--even across the solar equator. Loops also play an integral and decisive role in the enormous solar explosions called flares. Over recent years a wealth of space and ground-based observations of loops has been obtained in various widely-spaced regions of the electromagnetic spectrum. In this book the authors have selected the best observational material from the literature on which to base a detailed account of the properties of flare and non-flare loops. The book also explores the larger implications of the loop structures for our understanding of solar and stellar coronae. The text is enhanced by a large number of illustrations and unique and beautiful photographs obtained from the ground and from space.

Physics of the Solar Corona

Physics of the Solar Corona
Author: Markus Aschwanden
Publisher: Springer Science & Business Media
Total Pages: 946
Release: 2006-01-30
Genre: Science
ISBN: 9783540307655
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A thorough introduction to solar physics based on recent spacecraft observations. The author introduces the solar corona and sets it in the context of basic plasma physics before moving on to discuss plasma instabilities and plasma heating processes. The latest results on coronal heating and radiation are presented. Spectacular phenomena such as solar flares and coronal mass ejections are described in detail, together with their potential effects on the Earth.

The Solar Dynamics Observatory

The Solar Dynamics Observatory
Author: Phillip Chamberlin
Publisher: Springer Science & Business Media
Total Pages: 405
Release: 2012-05-05
Genre: Science
ISBN: 1461436737
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This volume is dedicated to the Solar Dynamics Observatory (SDO), which was launched 11 February 2010. The articles focus on the spacecraft and its instruments: the Atmospheric Imaging Assembly (AIA), the Extreme Ultraviolet Variability Experiment (EVE), and the Helioseismic and Magnetic Imager (HMI). Articles within also describe calibration results and data processing pipelines that are critical to understanding the data and products, concluding with a description of the successful Education and Public Outreach activities. This book is geared towards anyone interested in using the unprecedented data from SDO, whether for fundamental heliophysics research, space weather modeling and forecasting, or educational purposes. Previously published in Solar Physics journal, Vol. 275/1-2, 2012. Selected articles in this book are published open access under a CC BY-NC 2.5 license at link.springer.com. For further details, please see the license information in the chapters.

The Sun as a Guide to Stellar Physics

The Sun as a Guide to Stellar Physics
Author: Oddbjørn Engvold
Publisher: Elsevier
Total Pages: 522
Release: 2018-11-15
Genre: Science
ISBN: 0128143355
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The Sun as a Guide to Stellar Physics illustrates the significance of the Sun in understanding stars through an examination of the discoveries and insights gained from solar physics research. Ranging from theories to modeling and from numerical simulations to instrumentation and data processing, the book provides an overview of what we currently understand and how the Sun can be a model for gaining further knowledge about stellar physics. Providing both updates on recent developments in solar physics and applications to stellar physics, this book strengthens the solar–stellar connection and summarizes what we know about the Sun for the stellar, space, and geophysics communities. Applies observations, theoretical understanding, modeling capabilities and physical processes first revealed by the sun to the study of stellar physics Illustrates how studies of Proxima Solaris have led to progress in space science, stellar physics and related fields Uses characteristics of solar phenomena as a guide for understanding the physics of stars

Solar Prominences

Solar Prominences
Author: Jean-Claude Vial
Publisher: Springer
Total Pages: 490
Release: 2014-11-24
Genre: Science
ISBN: 3319104160
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This volume presents the latest research results on solar prominences, including new developments on e.g. chirality, fine structure, magnetism, diagnostic tools and relevant solar plasma physics. In 1875 solar prominences, as seen out of the solar limb, were described by P.A. Secchi in his book Le Soleil as "gigantic pink or peach-flower coloured flames". The development of spectroscopy, coronagraphy and polarimetry brought tremendous observational advances in the twentieth century. The authors present and discuss exciting new challenges (resulting from observations made by space and ground-based telescopes in the 1990s and the first decade of the 21st century) concerning the diagnostics of prominences, their formation, their life time and their eruption along with their impact in the heliosphere (including the Earth). The book starts with a general introduction of the prominence “object” with some historical background on observations and instrumentation. In the next chapter, the various forms of prominences are described with a thorough attempt of classification. Their thermodynamic (and velocity) properties are then derived with emphasis on the methods (and their limits) used. This goes from the simplest optically thin case to the heavy radiative treatment of plasmas out of local thermodynamic equilibrium. The following chapters are devoted to the magnetic field measurements and indirect derivation. A new branch of diagnostic tools, the seismology, is presented along with some MHD basics. This allows to better understand the propagation of waves, the energy and force equilibria. Both small-scale and large-scale studies and their relationship are presented. The importance of the newly discovered cavities is stressed in the context of prominence destabilization. The issues of prominence formation and eruption, their connection with flares and Coronal Mass Ejections and their impact on the Earth are addressed on the basis of the latest results. Finally, an exciting new area of research is unveiled with the newly discovered evidence of similar manifestations in the Universe and their possible impact on the habitability of exoplanets. References to the basic physics (where necessary) are provided and the proposed web sites addresses will allow the reader to load exciting movies. The book is aimed at advanced students in astrophysics, post-graduates, solar physicists and more generally astrophysicists. Amateurs will enjoy the many new images which go with the text.

Solar-Terrestrial Magnetic Activity and Space Environment

Solar-Terrestrial Magnetic Activity and Space Environment
Author: H. Wang
Publisher: Elsevier
Total Pages: 475
Release: 2002-11-20
Genre: Technology & Engineering
ISBN: 0080541437
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The COSPAR Colloquium on Solar-Terrestrial Magnetic Activity and Space Environment (STMASE) was held in the National Astronomy Observatories of Chinese Academy of Sciences (NAOC) in Beijing, China in September 10-12, 2001. The meeting was focused on five areas of the solar-terrestrial magnetic activity and space environment studies, including study on solar surface magnetism; solar magnetic activity, dynamical response of the heliosphere; space weather prediction; and space environment exploration and monitoring. A hot topic of space research, CMEs, which are widely believed to be the most important phenomenon of the space environment, is discussed in many papers. Other papers show results of observational and theoretical studies toward better understanding of the complicated image of the magnetic coupling between the Sun and the Earth, although little is still known little its physical background. Space weather prediction, which is very important for a modern society expanding into out-space, is another hot topic of space research. However, a long way is still to go to predict exactly when and where a disaster will happen in the space. In that sense, there is much to do for space environment exploration and monitoring. The manuscripts submitted to this Monograph are divided into the following parts: (1) solar surface magnetism, (2) solar magnetic activity, (3) dynamical response of the heliosphere, (4) space environment exploration and monitoring; and (5) space weather prediction. Papers presented in this meeting but not submitted to this Monograph are listed by title as unpublished papers at the end of this book.

The Solar Corona

The Solar Corona
Author: Leon Golub
Publisher: Cambridge University Press
Total Pages: 405
Release: 2010
Genre: Science
ISBN: 052188201X
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Second edition graduate level textbook giving an up-to-date treatment of our understanding of the solar corona.

Magnetic Helicity, Spheromaks, Solar Corona Loops, And Astrophysical Jets

Magnetic Helicity, Spheromaks, Solar Corona Loops, And Astrophysical Jets
Author: Bellan Paul M
Publisher: World Scientific
Total Pages: 652
Release: 2018-03-09
Genre: Science
ISBN: 1786345161
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Pedagogical in style, this book provides insights into plasma behavior valid over twenty orders of magnitude in both time and space. The book assumes that the reader has a basic knowledge of magnetohydrodynamics and explains topics using detailed theoretical analysis supported by discussion of relevant experiments. This comprehensive approach gives the reader an understanding of the essential theoretical ideas and their application to real situations. The book starts by explaining the topological concept of magnetic helicity and then develops a helicity-based model that predicts the ultimate state towards which magnetically-dominated plasmas evolve. The model predicts that no matter how messy or complicated the dynamics, a great range of plasma configurations always self-organize to a unique, simple final state. This self-organization, called relaxation, is a fundamental concept that unifies understanding of spheromaks, solar corona loops, interplanetary magnetic clouds, and astrophysical jets. After establishing why relaxation occurs, the book then examines how relaxation occurs. It shows that relaxation involves a sequence of complex non-equilibrium dynamics including fast self-collimated plasma jets, kink instabilities, magnetic reconnection, and phenomena outside the realm of magnetohydrodynamics. Contents: IntroductionBasic ConceptsMagnetic HelicityRelaxation of an Isolated Configuration to the Taylor StateRelaxation in Driven ConfigurationsThe MHD Energy Principle, Helicity, and Taylor StatesSurvey of Spheromak Formation SchemesClassification of Regimes: An Imperfect Analogy to ThermodynamicsAnalysis of Isolated Cylindrical SpheromaksThe Role of the WallAnalysis of Driven Spheromaks: Strong CouplingHelicity Flow and DynamosConfinement and Transport in SpheromaksSome Important Practical IssuesBasic Diagnostics for SpheromaksApplications of SpheromaksInitial Dynamics Leading to Relaxation: MHD JetsDynamics Associated with Relaxation: Kinks, Rayleigh-Taylor, Hard X-RaysBeyond MHD: Whistler Waves and Fast Magnetic ReconnectionZero-β Models for Solar and Space Phenomena: Helicity, Force-Free EquilibriaFinite-β Models and Experiments for Solar Phenomena: Collimation, Flows, ExpansionBeyond MHD: Extreme Particle Orbits in Helical Magnetic FieldsFinite-β Toroidal Magnetic Cloud ModelAstrophysical Jets, Accretion, Angular Momentum Removal, and Space DynamosAppendices: Vector Identities and OperatorsBessel Orthogonality RelationsCapacitor BanksTransmission Lines, Pulse Forming Networks, and TransformersSelected Formulae Readership: Researchers, graduate students, and advanced undergraduates in plasma physics, solar physics, and astrophysics; mathematicians interested in helicity, topology, and self-organization. Keywords: Magnetohydrodynamics;Magnetic Helicity;Spheromaks;MHD;MHD Jets;Kink;Rayleigh Taylor;Accretion Disk;Astrophysical Jet;Solar Prominence;Solar Corona;Solar Corona Loop;CME;Relative Helicity;Taylor Relaxation;Magnetic Reconnection;Whistler Waves;Hall MHD;Electron MHD;Alfven Waves;Magnetic Clouds;Canonical Angular Momentum;Magnetic BrakingReview: Key Features: Unique, no completing titlesThis new revision contains discussion of dynamics underlying self-organization (Taylor relaxation)This new revision contains updates on spheromak research since 2000

Solar Optical Telescope (SOT).

Solar Optical Telescope (SOT).
Author: United States. National Aeronautics and Space Administration
Publisher:
Total Pages: 36
Release: 1980
Genre: Public contracts
ISBN:
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