Flare Physics in Solar Activity Maximum 22

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Proceedings of the International SOLAR-A Science Meeting Held at Tokyo, Japan, 23-26 October 1990, Dedicated to the Memory of the Late Professor K.Tanaka, Lecture Notes in Physics 387

ISBN:	3662138409
ISBN 13:	9783662138403
Herausgeber:	Yutaka Uchida/Richard C Canfield/Tetsuya Watanabe et al
Verlag:	Springer Verlag GmbH
Umfang:	x, 362 S., 143 s/w Illustr., 362 p. 143 illus.
Erscheinungsdatum:	23.08.2014
Auflage:	1/1991
Produktform:	Kartoniert
Einband:	Kartoniert

InhaltsangabeGeneral introduction.- In memoriam Katsuo Tanaka.- The sources of solar flares.- The Solar-A mission.- Soft X-ray telescope (SXT).- The Hard X-ray Telescope(HXT) on board SOLAR-A.- The Solar-A Bragg crystal spectrometer.- The wide band spectrometer on the Solar-A.- The SOLAR-A onboard Data Processor (DP).- Capabilities and limitations of Solar-A.- Optical observations of flare-productive flux emergence.- Flares appear on the red shift side near the inversion line of the H? Dopplergram.- Small scale active phenomena observed with DST and Huairou magnetogram.- Microflares observed in He I 10830 and their relation to the quiet sun magnetic fields.- HeI 10830Å observations of active regions.- Numerical simulations of ultraviolet and X-ray microflares.- Particle acceleration and the locations of hard X-ray sources.- The controversial relationship between hard X-ray and soft X-ray flares: Causal or non-causal?.- Magnetic morphology of nonthermal electron precipitation during three flares in a highly nonpotential active region.- The role of accelerated ions during the impulsive phase of flares and the production of hard X-rays.- Physical implications of X-ray imaging observations.- Studies of high-energy flare phenomena from simultaneous observations of gamma-rays and energetic particles.- Acceleration of high-energy nuclei as viewed from their chemical composition.- Heating and flows in flares.- Studies of helium-like ion spectra with the SMM flat crystal spectrometer.- X-ray spectra from Hinotori satellite and suprathermal electrons.- Quality improvement of solar flare temperature and density diagnostics derived from BCS spectra.- The beam driven chromospheric evaporation model of large solar flares: a model getting „no respect“ from the sun.- Numerical simulations of electron-beam-heated solar flares.- A hydrodynamic thermal model of the impulsive phase of solar flares.- Material flow of a surge flare.- Evolution of hot plasma in flares.- The electron distribution and SXT images of a coronal soft X-ray source.- Interpretation of multi-channel X-ray intensities from solar flares.- Thermodynamic evolution of flares.- Simulation of SXT response to XSST soft X-ray spectrum.- Magnetic morphologies of solar flares.- Theoretical models of solar flares.- The practical application of the magnetic virial theorem.- Maximum energy of semi-infinite magnetic-field configurations.- High-energy particle acceleration during the implosion driven by 3-dimensional X-type current loop coalescence in solar flares.- On mechanisms of solar flares -some observational tests by using Solar-A.- Plasma waves caused by transient heat conduction in a coronal loop as a trigger for impulsive solar flares.- Magnetic structures in the corona.- Chromospheric and coronal activities in the quiet sun originating from photospheric 5-minute oscillations.- VLA supporting observations for SOLAR-A.- X-ray observations of global solar activity.- Coronal structures and the sunspot cycle.- Absorption of magnetoacoustic waves in the solar atmosphere with random inhomogeneities of density and magnetic fields.- SXT observations of MHD turbulence in active regions.- Simulated SXT observations of coronal loops.- Max ’91/FLARES 22.- Studies of X-Ray flares by project CORONAS.- Solar energetic particle observation by GEOTAIL satellite.- Solar flare telescope and 10-cm new coronagraph.- The MSFC vector magnetograph, eruptive flares, and the Solar-A X-ray images.- Nobeyama radioheliograph.- Millimeter interferometric observations of solar flares during the Solar A mission.- Coronal restructuring and coronal mass ejections as infrared from interplanetary magnetic flux ropes.- A proposal for a study of the solar wind near the sun by simultaneous observations with SOLAR-A and Kashima 34m antenna.- Search for transient coronal holes by SOLAR-A soft X-ray telescope.- Application of SOLAR-A SXT data to flare and geomagnetic storm forecasting research.

Artikelnummer: 7050743 Kategorie: Astronomie

Beschreibung

Beschreibung

The book reviews the knowledge obtained from ground-based and spaceborne solar flare research thus at the same time preparing for the forthcoming mission of the satellite Solar A which will be launched in 1991. Accordinglyone section is devoted to experiments on Solar A. The rest review both theory and observational facts to give a physically realistic picture of flares, including problems of magnetic flux emergence, high energy particles in flares, heating and flows in flares, and further problems of solar activity.