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Global Helioseismology
- Physics, GeologyBulletin de la Société Royale des Sciences de Liège
- 2020
Helioseismology is one of the most successful fields of astrophysics. The observation and character-ization of solar oscillation has allowed solar seismologists to study the internal structure and…
Helioseismic models of the sun with a low heavy element abundance
- Physics
- 2017
Helioseismology and neutrino experiments probing the internal structure of the Sun have yieldedmuch information, such as the adiabatic elasticity index, density, and sound speed in the convective and…
Low heavy-element photospheric abundance: a challenge for solar modeling
- Physics
- 2010
Recent spectroscopic data pointing to low heavy-element abundances Z pose a severe problem for solar-structure modeling. The low-Z abundances imply a lower opacity and a relatively shallow convective…
Progress in Global Helioseismology: A New Light on the Solar Modeling Problem and Its Implications for Solar-Like Stars
- Geology, PhysicsFront. Astron. Space Sci.
- 2019
Since the first observations of solar oscillations, helioseismology has been one of the most successful fields of astrophysics. Data of high quality were obtained through the implementation of…
Are recent solar heavy element abundances consistent with helioseismology
- Geology, Physics
- 2011
During the last decade the abundances of heavy elements in the Sun have been revised downwards leading to serious discrepancy between solar models constructed using these abundances and the available…
The solar photospheric nitrogen abundance - Analysis of atomic transitions with 3D and 1D model atmospheres
- Physics
- 2009
Context. In recent years, the solar chemical abundances have been studied in considerable detail because of discrepant values of solar metallicity inferred from different indicators, i.e., on the one…
Seismological challenges for stellar structure
- Geology
- 2010
Helioseismology has provided very detailed information about the solar interior, and extensive data on a large number of stars, although at less detail, are promised by the ongoing and upcoming…
Seismic solar models from Ledoux discriminant inversions
- GeologyAstronomy & Astrophysics
- 2020
Context. The Sun constitutes an excellent laboratory of fundamental physics. With the advent of helioseismology, we were able to probe its internal layers with unprecendented precision and…
THE CHEMICAL COMPOSITION OF THE SUN FROM HELIOSEISMIC AND SOLAR NEUTRINO DATA
- Geology, Physics
- 2014
We perform a quantitative analysis of the solar composition problem by using a statistical approach that allows us to combine the information provided by helioseismic and solar neutrino data in an…
Implications of solar wind measurements for solar models and composition
- Physics
- 2016
We critically examine recent claims of a high solar metallicity by von Steiger & Zurbuchen (2016, vSZ16) based on in situ measurements of the solar wind, rather than the standard spectroscopically…
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