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Opendata, web and dolomites

IMagE SIGNED

Impact of Magnetic field on Emergent solar spectra

Total Cost €

EC-Contrib. €

Partnership

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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.

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

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 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.	DE (Munich)	coordinator	159˙460.00

Map

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.