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Applications of atomic data to studies of the Sun.

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Title: Applications of atomic data to studies of the Sun.
Authors: Young, Peter R.1,2 (AUTHOR) peter.r.young@nasa.gov
Source: European Physical Journal D (EPJ D). Oct2024, Vol. 78 Issue 10, p1-13. 13p.
Subjects: Solar surface, Solar active regions, Coronal mass ejections, Solar corona, Sun, Solar atmosphere
Abstract: The Sun is a standard reference object for astrophysics and also a fascinating subject of study in its own right. X-ray and extreme ultraviolet movies of the Sun's atmosphere show an extraordinary diversity of plasma phenomena, from barely visible bursts and jets to coronal mass ejections that impact a large portion of the solar surface. The processes that produce these phenomena, heat the corona and power the solar wind remain actively studied and accurate atomic data are essential for interpreting observations and making model predictions. For the Sun's interior intense effort is focused on resolving the "solar problem," (a discrepancy between solar interior models and helioseismology measurements) and atomic data are central to both element abundance measurements and interior physics such as opacity and nuclear reaction rates. In this article, topics within solar interior and solar atmosphere physics are discussed and the role of atomic data described. Areas of active research are highlighted and specific atomic data needs are identified. An image of a solar active region obtained with the 193 A channel of SDO/AIA, showing plasma at around 1.5 million degrees. [ABSTRACT FROM AUTHOR]
Copyright of European Physical Journal D (EPJ D) is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Applications of atomic data to studies of the Sun.
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  Data: <searchLink fieldCode="AR" term="%22Young%2C+Peter+R%2E%22">Young, Peter R.</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<i> peter.r.young@nasa.gov</i>
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  Data: <searchLink fieldCode="JN" term="%22European+Physical+Journal+D+%28EPJ+D%29%22">European Physical Journal D (EPJ D)</searchLink>. Oct2024, Vol. 78 Issue 10, p1-13. 13p.
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  Data: <searchLink fieldCode="DE" term="%22Solar+surface%22">Solar surface</searchLink><br /><searchLink fieldCode="DE" term="%22Solar+active+regions%22">Solar active regions</searchLink><br /><searchLink fieldCode="DE" term="%22Coronal+mass+ejections%22">Coronal mass ejections</searchLink><br /><searchLink fieldCode="DE" term="%22Solar+corona%22">Solar corona</searchLink><br /><searchLink fieldCode="DE" term="%22Sun%22">Sun</searchLink><br /><searchLink fieldCode="DE" term="%22Solar+atmosphere%22">Solar atmosphere</searchLink>
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  Data: The Sun is a standard reference object for astrophysics and also a fascinating subject of study in its own right. X-ray and extreme ultraviolet movies of the Sun's atmosphere show an extraordinary diversity of plasma phenomena, from barely visible bursts and jets to coronal mass ejections that impact a large portion of the solar surface. The processes that produce these phenomena, heat the corona and power the solar wind remain actively studied and accurate atomic data are essential for interpreting observations and making model predictions. For the Sun's interior intense effort is focused on resolving the "solar problem," (a discrepancy between solar interior models and helioseismology measurements) and atomic data are central to both element abundance measurements and interior physics such as opacity and nuclear reaction rates. In this article, topics within solar interior and solar atmosphere physics are discussed and the role of atomic data described. Areas of active research are highlighted and specific atomic data needs are identified. An image of a solar active region obtained with the 193 A channel of SDO/AIA, showing plasma at around 1.5 million degrees. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
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  Data: <i>Copyright of European Physical Journal D (EPJ D) is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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      – Type: doi
        Value: 10.1140/epjd/s10053-024-00915-6
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      – Code: eng
        Text: English
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        PageCount: 13
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    Subjects:
      – SubjectFull: Solar surface
        Type: general
      – SubjectFull: Solar active regions
        Type: general
      – SubjectFull: Coronal mass ejections
        Type: general
      – SubjectFull: Solar corona
        Type: general
      – SubjectFull: Sun
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      – SubjectFull: Solar atmosphere
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      – TitleFull: Applications of atomic data to studies of the Sun.
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              Text: Oct2024
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