GNSS Solar Astronomy in real-time during more than one solar cycle.

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Title: GNSS Solar Astronomy in real-time during more than one solar cycle.
Authors: Hernández-Pajares, Manuel1,2 (AUTHOR) manuel.hernandez@upc.edu, García-Rigo, Alberto1,2 (AUTHOR), Monte-Moreno, Enric3 (AUTHOR), Liu, Qi1,4 (AUTHOR), Roma-Dollase, David1,2 (AUTHOR), Yang, Heng1,5 (AUTHOR), Béniguel, Yannick6 (AUTHOR), Moreno-Borràs, David1 (AUTHOR), Fors, Octavi7 (AUTHOR), Lyu, Haixia1,8 (AUTHOR), Orus-Perez, Raul9 (AUTHOR), Ventura-Traveset, Javier10 (AUTHOR)
Source: Advances in Space Research. Sep2024, Vol. 74 Issue 6, p2593-2598. 6p.
Subjects: Global Positioning System, Astronomy, Solar flares, Solar activity, Solar system, Solar cycle
Abstract: This work presents a summary of the continuous non-stop (hereinafter 24/7) real-time measurement and warning system for EUV solar activity, which is based on worldwide multifrequency Global Navigation Satellite Systems (GNSS) observations. The system relies on continuous tracking of the intensity of expected global patterns in the Earth's ionosphere's free electron distribution, which are associated with solar flares. The paper includes a discussion on the foundations of GNSS Solar Astronomy, along with details on its real-time implementation that began in 2011. Furthermore, a summary of the corresponding validation is provided, comparing it to external and direct solar EUV flux measurements obtained from SOHO-SEM. Finally, there will be a brief mention of the ongoing efforts to extend this technique to detect huge extra-solar sources. [ABSTRACT FROM AUTHOR]
Copyright of Advances in Space Research is the property of Pergamon Press - An Imprint of Elsevier Science 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: GNSS Solar Astronomy in real-time during more than one solar cycle.
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  Data: <searchLink fieldCode="AR" term="%22Hernández-Pajares%2C+Manuel%22">Hernández-Pajares, Manuel</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<i> manuel.hernandez@upc.edu</i><br /><searchLink fieldCode="AR" term="%22García-Rigo%2C+Alberto%22">García-Rigo, Alberto</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Monte-Moreno%2C+Enric%22">Monte-Moreno, Enric</searchLink><relatesTo>3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Liu%2C+Qi%22">Liu, Qi</searchLink><relatesTo>1,4</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Roma-Dollase%2C+David%22">Roma-Dollase, David</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Yang%2C+Heng%22">Yang, Heng</searchLink><relatesTo>1,5</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Béniguel%2C+Yannick%22">Béniguel, Yannick</searchLink><relatesTo>6</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Moreno-Borràs%2C+David%22">Moreno-Borràs, David</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Fors%2C+Octavi%22">Fors, Octavi</searchLink><relatesTo>7</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Lyu%2C+Haixia%22">Lyu, Haixia</searchLink><relatesTo>1,8</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Orus-Perez%2C+Raul%22">Orus-Perez, Raul</searchLink><relatesTo>9</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Ventura-Traveset%2C+Javier%22">Ventura-Traveset, Javier</searchLink><relatesTo>10</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Advances+in+Space+Research%22">Advances in Space Research</searchLink>. Sep2024, Vol. 74 Issue 6, p2593-2598. 6p.
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  Data: <searchLink fieldCode="DE" term="%22Global+Positioning+System%22">Global Positioning System</searchLink><br /><searchLink fieldCode="DE" term="%22Astronomy%22">Astronomy</searchLink><br /><searchLink fieldCode="DE" term="%22Solar+flares%22">Solar flares</searchLink><br /><searchLink fieldCode="DE" term="%22Solar+activity%22">Solar activity</searchLink><br /><searchLink fieldCode="DE" term="%22Solar+system%22">Solar system</searchLink><br /><searchLink fieldCode="DE" term="%22Solar+cycle%22">Solar cycle</searchLink>
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  Label: Abstract
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  Data: This work presents a summary of the continuous non-stop (hereinafter 24/7) real-time measurement and warning system for EUV solar activity, which is based on worldwide multifrequency Global Navigation Satellite Systems (GNSS) observations. The system relies on continuous tracking of the intensity of expected global patterns in the Earth's ionosphere's free electron distribution, which are associated with solar flares. The paper includes a discussion on the foundations of GNSS Solar Astronomy, along with details on its real-time implementation that began in 2011. Furthermore, a summary of the corresponding validation is provided, comparing it to external and direct solar EUV flux measurements obtained from SOHO-SEM. Finally, there will be a brief mention of the ongoing efforts to extend this technique to detect huge extra-solar sources. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
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  Data: <i>Copyright of Advances in Space Research is the property of Pergamon Press - An Imprint of Elsevier Science 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: 10.1016/j.asr.2023.12.016
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      – Code: eng
        Text: English
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      Pagination:
        PageCount: 6
        StartPage: 2593
    Subjects:
      – SubjectFull: Global Positioning System
        Type: general
      – SubjectFull: Astronomy
        Type: general
      – SubjectFull: Solar flares
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      – SubjectFull: Solar activity
        Type: general
      – SubjectFull: Solar system
        Type: general
      – SubjectFull: Solar cycle
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              Text: Sep2024
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