Del 143 - Astrophysics and Space Science Library

Activity in Cool Star Envelopes

Proceedings of the Midnight Sun Conference, held in Tromsø, Norway, July 1–8,1987

Inbunden, Engelska, 1988

Av O. Havnes, B.R. Pettersen, J.H.M.M. Schmitt, Jan-Erik Solheim, B. R. Pettersen, J. H. M. M. Schmitt

2 099 kr

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Produktinformation

Utgivningsdatum1988-05-31
Mått155 x 235 x 25 mm
Vikt723 g
FormatInbunden
SpråkEngelska
SerieAstrophysics and Space Science Library
Antal sidor354
Upplaga1988
FörlagSpringer
ISBN9789027727060

Tillhör följande kategorier

I. Magnetic Fields.- Stellar Magnetic Fields, Origin and Structure.- Observational Constraints for Solar-Type Dynamos.- The Development of Structure in Coronal Magnetic Fields.- Stellar magnetic fields: measurements and diagnostics.- A new technique for the measurement of stellar magnetic fields: First Results.- Multiwavelength observations of magnetic fields and related activity on XI Bootis A.- II. Atmospheric Activity.- Atmospheric Activity in the outer envelopes of cool dwarf stars.- Radiation losses in chromospheric and transition region emission lines from AD Leo (dM4e).- Variation of the flare energy spectrum during the activity cycle of the UV CET-TYPE stars.- Statistical photometry of flare stars in the ultraviolet and photographic bands.- Photographic photometry and’statistical investigation of Pleiades flare stars.- B-19-A flare star in front of the NGC 7000 aggregate.- IRAS observations of flare stars.- Spectroscopic observations of X-ray selected late type stars.- Activity in envelopes of T Tauri Stars.- RY Lupi-A pulsating T Tauri Star?.- Deuterium burning and pulsational instabilities in pre-main-sequence stars.- Small scale stellar surface structures.- Visible and infrared photometry of ER Val.- Spot activity and circumstellar matter in II Peg.- III. Stellar and Solar Flares.- Magnetic reconnection models of flares.- Conditions for transition from quiescent to active states in stellar atmospheres.- Stellar and solar flares: Some theoretical problems from the point of view of modern observations.- Quasi-static evolution of a force-free magnetic field – Applications to the theory of stellar flares and coronal heating.- Flares: Magnetic or convective origin?.- Simultaneous optical and infrared observations of stellar flares.- Coordinated photometry,spectroscopy and X-ray observations of flare stars.- Modeling of long-decay stellar flares on EQ Peg and Prox Cen.- Spatially resolved flares in RSCVn Systems.- Simultaneous EXOSAT and VLA observations of the W UMa binaries VW Cep and XY Leo: A Flare on VW Cep.- IV. Stellar Coronae and Winds.- Models of Solar-type coronae.- Acceleration of energetic particles in solar flares.- Effect of a dense coronal region on line observations from coronal holes.- Dynamic Nature of coronal heating.- Stellar X-ray astronomy with ROSAT.- Observing Cool Stars with the XUV wide field camera on ROSAT.- On solar and stellar coronal models.- EXOSAT observations of RSCVn stars.- Densities and heating of coronae of the active late-type dwarfs.- EXOSAT observations of quiescent and flaring emission from M dwarf flare stars.- X-ray variability of dM stars observed by EXOSAT.- Stellar Radio Emission.- Radio Emission Processes Related to Solar Flares.- Properties of Stellar Magnetospheres Deduced from Radio Observations of Close Binaries.- VLA observations of the X-ray bright Hyades M-dwarfs.- Radio Emission from Active Young Stars in the RHO OPHIUCHI CLOUD.- Mass Loss Mechanisms for Cool Stars.- Winds in Cool Stars.- The Ultraviolet Variability of Betelgeuse.- Envelope Activity of the K-Type Supergiant HD 4817.- Helium Lines Formation in T-Tauri Stars.- (X-ray observations of solar flares.- Name Index.- Object Index.

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