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Category/Subcategory: Natural Sciences/Astronomy

Absolute Measures of Helicity

Author: Mitchell Berger
I will consider some new developments in absolute measures of helicity (as opposed to measures relative to a vacuum field). These measures are defined for arbitrary foliations of space by simply connected surfaces (e.g. start with ... more

Views: 138

Numerical simulations of dynamic phenomena in the solar corona

Author: Tibor Torok
The numerical modeling of the solar corona and of its dynamical phenomena has experienced significant progress in recent years. Present magnetohydrodynamic (MHD) simulations can be run on large spherical grids, include a rea ... more

Views: 283

The joint magnetosphere of the binary system YY Gem

Author: Volkmar Holzwarth
RS CVn- and BY Dra-systems are among the magnetically most active stellar objects known. The magnetic flux generated in the outer convection zone of these rapidly rotating cool stars leads after emergence at the stellar surface to ... more

Views: 312

The EST Governancne Structure

Author: Markus Roth
In the coming four years the governance structure for the European Solar Telescope (EST) needs to be defined. For this various governance models for multi-national collaborations need to be studied. In this presentation I will d ... more

Views: 116

JCMT and the East Asia Observatory

Author: Michael Burton
An overview of the James Clerk Maxwell Telescope on Mauna Kea, Hawaii and the East Asia Observatory

Views: 394

Exploitation of Space Data for Innovative Helio-and Asteroseismology – SpaceInn

Author: Markus Roth
These are the slides of a talk on the FP7 Collaborative Project "Exploitation of Space Data for Innovative Helio- and Asteroseismology - SpaceInn". This talk was held on Tenerife during the SpaceInn Global Helioseismology working ... more

Views: 389

Fourier-Hankel/Legendre module for SDO data analysis pipeline

Author: Vigeesh Gangadharan
Fourier-Hankel/Legendre analysis is one of the helioseismic techniques employed to infer the internal properties of the Sun. It has been successfully applied to study p-mode interaction with sunspots and to measure sub-surface mer ... more

Views: 289

Observation of tiny flux tubes in the photosphere

Author: Zhong Liu
This is the first part of my talk at the meeting EST2018.

Views: 44

Solar activity proxies from VIRGO and GOLF observations: SpaceInn Deliverable 4.2

Author: David Salabert
Solar activity proxies from VIRGO and GOLF observations: SpaceInn Deliverable 4.2

Views: 261

The EST Governance Structure

Author: Markus Roth
In the coming four years the governance structure for the European Solar Telescope (EST) needs to be defined. For this various governance models for multi-national collaborations need to be studied. In this presentation I will d ... more

Views: 45