Improvements to the NSO Farside Mapping Pipeline: Noise Reduction Updates
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| Main Authors: | , , , , |
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| Format: | Preprint |
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2025
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| _version_ | 1866908730666254336 |
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| author | Creelman, Mitchell Jain, Kiran Oien, Niles Britanik, John Wentzel, Thomas M. |
| author_facet | Creelman, Mitchell Jain, Kiran Oien, Niles Britanik, John Wentzel, Thomas M. |
| contents | The National Solar Observatory (NSO)'s Farside Pipeline is a critical tool of the space weather industry. It enables the detection and tracking of solar active regions that have rotated to the farside (invisible surface) of the Sun without relying on direct observational platforms such as satellites. By applying the technique of helioseismic holography to continuous Doppler images of the front side (visible surface), the pipeline infers the size and location of these regions through the acoustic signatures. These farside maps, produced using data from the NSO's GONG Network, allow scientists and solar observers to monitor the behavior of solar active regions. They support efforts to protect vital telecommunications and national interest infrastructure. While the data from this pipeline are widely used to many scientific, industrial, and national security applications, global helioseismic monitoring remains a developing field, with ongoing refinements in methodology and reliability. In this report, we will outline the updates made to the NSO's Farside Pipeline which have resulted in more accurate and consistent helioseismic maps, strengthening its value for both operational forecasting and scientific research. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2512_08133 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Improvements to the NSO Farside Mapping Pipeline: Noise Reduction Updates Creelman, Mitchell Jain, Kiran Oien, Niles Britanik, John Wentzel, Thomas M. Solar and Stellar Astrophysics Instrumentation and Methods for Astrophysics The National Solar Observatory (NSO)'s Farside Pipeline is a critical tool of the space weather industry. It enables the detection and tracking of solar active regions that have rotated to the farside (invisible surface) of the Sun without relying on direct observational platforms such as satellites. By applying the technique of helioseismic holography to continuous Doppler images of the front side (visible surface), the pipeline infers the size and location of these regions through the acoustic signatures. These farside maps, produced using data from the NSO's GONG Network, allow scientists and solar observers to monitor the behavior of solar active regions. They support efforts to protect vital telecommunications and national interest infrastructure. While the data from this pipeline are widely used to many scientific, industrial, and national security applications, global helioseismic monitoring remains a developing field, with ongoing refinements in methodology and reliability. In this report, we will outline the updates made to the NSO's Farside Pipeline which have resulted in more accurate and consistent helioseismic maps, strengthening its value for both operational forecasting and scientific research. |
| title | Improvements to the NSO Farside Mapping Pipeline: Noise Reduction Updates |
| topic | Solar and Stellar Astrophysics Instrumentation and Methods for Astrophysics |
| url | https://arxiv.org/abs/2512.08133 |