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Modelling coronal electron density and temperature profiles based on solar magnetic field observations

Published online by Cambridge University Press:  12 September 2017

J. M. Rodríguez Gómez ,
L. E. Antunes Vieira ,
A. Dal Lago ,
J. Palacios ,
L. A. Balmaceda  and
T. Stekel
J. M. Rodríguez Gómez
Affiliation:
National Institute for Space Research (INPE), Avenida dos Astronautas-12227-010, São José dos Campos-SP, Brazil email: jenny.gomez@inpe.br
L. E. Antunes Vieira
Affiliation:
National Institute for Space Research (INPE), Avenida dos Astronautas-12227-010, São José dos Campos-SP, Brazil email: jenny.gomez@inpe.br
A. Dal Lago
Affiliation:
National Institute for Space Research (INPE), Avenida dos Astronautas-12227-010, São José dos Campos-SP, Brazil email: jenny.gomez@inpe.br
J. Palacios
Affiliation:
Departamento de Física y Matemáticas, Universidad de Alcalá University Campus, Sciences Building, P.O. 28871, Alcalá de Henares, Spain
L. A. Balmaceda
Affiliation:
Instituto de Ciencias Astronómicas de la Tierra y el Espacio, ICATE-CONICET, Avda. de España Sur 1512, J5402DSP, San Juan, Argentina.
T. Stekel
Affiliation:
National Institute for Space Research (INPE), Avenida dos Astronautas-12227-010, São José dos Campos-SP, Brazil email: jenny.gomez@inpe.br
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Abstract

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The density and temperature profiles in the solar corona are complex to describe, the observational diagnostics is not easy. Here we present a physics-based model to reconstruct the evolution of the electron density and temperature in the solar corona based on the configuration of the magnetic field imprinted on the solar surface. The structure of the coronal magnetic field is estimated from Potential Field Source Surface (PFSS) based on magnetic field from both observational synoptic charts and a magnetic flux transport model. We use an emission model based on the ionization equilibrium and coronal abundances from CHIANTI atomic database 8.0. The preliminary results are discussed in details.

Keywords

Sun: magnetic fieldscorona
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 12 , Symposium S328: Living Around Active Stars , October 2016 , pp. 159 - 161
Copyright
Copyright © International Astronomical Union 2017 

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