WILISCME

The relationship between white light and in situ observations of coronal mass ejections

 Coordinatore UNIVERSITAET GRAZ 

 Organization address address: UNIVERSITAETSPLATZ 3
city: GRAZ
postcode: 8010

contact info
Titolo: Prof.
Nome: Astrid
Cognome: Veronig
Email: send email
Telefono: 433164000000

 Nazionalità Coordinatore Austria [AT]
 Totale costo 146˙370 €
 EC contributo 146˙370 €
 Programma FP7-PEOPLE
Specific programme "People" implementing the Seventh Framework Programme of the European Community for research, technological development and demonstration activities (2007 to 2013)
 Code Call FP7-PEOPLE-2010-IOF
 Funding Scheme MC-IOF
 Anno di inizio 2011
 Periodo (anno-mese-giorno) 2011-09-01   -   2013-08-31

 Partecipanti

# participant  country  role  EC contrib. [€] 
1    UNIVERSITAET GRAZ

 Organization address address: UNIVERSITAETSPLATZ 3
city: GRAZ
postcode: 8010

contact info
Titolo: Prof.
Nome: Astrid
Cognome: Veronig
Email: send email
Telefono: 433164000000

AT (GRAZ) coordinator 146˙370.80

Mappa


 Word cloud

Esplora la "nuvola delle parole (Word Cloud) per avere un'idea di massima del progetto.

ejections    cmes    light    magnetic    first    nasa    white    eruption    situ    sun    forecasting    wind    observations    events    solar    time    stereo    directed    mass    earth    coronal   

 Obiettivo del progetto (Objective)

'Solar coronal mass ejections (CMEs) are the source of the strongest disturbances of the Earth’s magnetic field. Masses of the magnitude of Mount Everest are expelled from the solar corona attaining speeds of millions of kilometres per hour and expanding to sizes of a considerable fraction of the Sun-Earth distance. When their complex of plasma and magnetic fields hits Earth and if this fulfils certain properties, a part of their energy can be transferred to the Earth’s magnetosphere. So called geomagnetic storms are elicited, which pose a great threat to our modern technological infrastructure, in particular to satellites in Earth orbit and to power grids on the ground. Thus forecasting these hurricanes of space weather is needed by an increasing amount of public and private institutions, in particular with regard to the upcoming solar maximum. In the course of this research project, new observations by the NASA STEREO Mission will be analysed. STEREO is able to image Earth directed CMEs in white light at two vantage points far away from the Earth. Their density enhancements in the solar wind can now be followed for the first time stereoscopically all the way from the Sun the Earth in white light. The same eruptions are then sampled by spacecraft (Wind, ACE) near Earth directly in situ in the solar wind. Aim (1) of the project is to compare results from recently developed forecasting methods applied to the STEREO/HI images of CMEs to in situ observations of the same events at 1 AU. Aim (2) is directed to the related question if and how the CMEs rotate during eruption and/or propagation using both observations and numerical simulations, which will be carried out for the best observed events studied for the first aim. Results from this project can be taken as basic principles to enhance the reliability of forecasting models, which are used to prolong the advance warning time for a potentially threatening solar eruption.'

Introduzione (Teaser)

EU-funded researchers studying data from the http://stereo.gsfc.nasa.gov/ (Solar Terrestrial Relations Observatory (STEREO)) have found out how coronal mass ejections (CMEs) are shaped as they travel from the Sun to Earth.

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