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IMagE SIGNED

Impact of Magnetic field on Emergent solar spectra

Total Cost €

0

EC-Contrib. €

0

Partnership

0

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 IMagE project word cloud

Explore the words cloud of the IMagE project. It provides you a very rough idea of what is the project "IMagE" about.

blanketing    realistic    ultraviolet    surface    physics    instance    magnetic    departures    evolve    disc    valid    computed    physical    controversy    computationally    magnetohydrodynamic    sunrise    resolving    extremely    incorporation    synthesis    maiden    local    mission    transfer    analyze    day    simulations    dark    missions    simplifications    observations    resolution    sun    influence    wavelengths    strengths    climate    controversial    grid    indian    accurate    timescales    computations    variations    made    ingredient    lte    structure    time    3d    properly    spectra    solar    terrestrial    until    progress    efficient    mhd    faculae    data    aditya    mechanisms    radiative    amplitude    varies    relied    models    appearing    validated    equilibrium    bright    brightness    variability    modulate    spots    breakthrough    longer    modeling    atmosphere    spatial    device    modifies    line    atmospheres    image    l1    irradiance    uv    measured    components    thermodynamic    positions   

Project "IMagE" data sheet

The following table provides information about the project.

Coordinator
MAX-PLANCK-GESELLSCHAFT ZUR FORDERUNG DER WISSENSCHAFTEN EV 

Organization address
address: HOFGARTENSTRASSE 8
city: Munich
postcode: 80539
website: www.mpg.de

contact info
title: n.a.
name: n.a.
surname: n.a.
function: n.a.
email: n.a.
telephone: n.a.
fax: n.a.

 Coordinator Country Germany [DE]
 Total cost 159˙460 €
 EC max contribution 159˙460 € (100%)
 Programme 1. H2020-EU.1.3.2. (Nurturing excellence by means of cross-border and cross-sector mobility)
 Code Call H2020-MSCA-IF-2017
 Funding Scheme MSCA-IF-EF-ST
 Starting year 2019
 Duration (year-month-day) from 2019-01-01   to  2020-12-31

 Partnership

Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 
1    MAX-PLANCK-GESELLSCHAFT ZUR FORDERUNG DER WISSENSCHAFTEN EV DE (Munich) coordinator 159˙460.00

Map

Leaflet | Map data © OpenStreetMap contributors, CC-BY-SA, Imagery © Mapbox

 Project objective

Solar brightness varies at all measured timescales and wavelengths, and can affect terrestrial atmosphere and climate. Variations on timescales longer than a day are driven by the solar surface magnetic activity. Solar magnetic field modifies the structure of the solar atmosphere and its radiative properties, appearing at the surface as dark spots and bright faculae. These features continuously evolve with time and modulate solar brightness. Although significant progress has been made in modeling solar brightness variations, their amplitude in the ultraviolet (UV) range remains controversial. IMagE aims at resolving this controversy.

A crucial ingredient of the irradiance models are brightness spectra of the various magnetic components. Spectra that have been used until now relied on a number of simplifications that are not valid in the UV. To properly account for the physical mechanisms which influence the solar variability in the UV, including the line blanketing and departures from local thermodynamic equilibrium (LTE), non-LTE computations of spectra from realistic 3D magnetohydrodynamic (MHD) atmospheres are needed. This is computationally extremely challenging. IMagE will exploit state-of-the-art MHD and radiative transfer simulations to device a method for efficient, yet accurate, synthesis of the non-LTE brightness spectra of the different magnetic components. This method will be validated against high spatial resolution observations of the Sun. Incorporation of the spectra computed with this method in the physics-based irradiance models will lead to a breakthrough in our understanding of the solar UV irradiance variability. The grid of non-LTE spectra for different magnetic field strengths and solar disc positions produced within IMagE can also be used to analyze the data from future missions, for instance SUNRISE III and the maiden Indian solar mission Aditya-L1.

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The information about "IMAGE" are provided by the European Opendata Portal: CORDIS opendata.

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