Localization of the Cluster satellites in the geospace environment
Abstract The geometry of the terrestrial magnetized environment, or geospace, varies widely in space and time due to the Earth’s magnetic field interactions with the interplanetary medium. A spacecraft’s location in geospace is only approximately determined by its coordinates since the environment i...
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Nature Portfolio
2025-02-01
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| Series: | Scientific Data |
| Online Access: | https://doi.org/10.1038/s41597-025-04639-z |
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| author | Benjamin Grison Fabien Darrouzet Romain Maggiolo Mychajlo Hajoš Michal Dvořák Martin Švanda Anna Jeřábková Matthew Graham George Thaddeus Taylor Delphine Herment Arnaud Masson Jan Souček Ondřej Santolík Johan De Keyser |
| author_facet | Benjamin Grison Fabien Darrouzet Romain Maggiolo Mychajlo Hajoš Michal Dvořák Martin Švanda Anna Jeřábková Matthew Graham George Thaddeus Taylor Delphine Herment Arnaud Masson Jan Souček Ondřej Santolík Johan De Keyser |
| author_sort | Benjamin Grison |
| collection | DOAJ |
| description | Abstract The geometry of the terrestrial magnetized environment, or geospace, varies widely in space and time due to the Earth’s magnetic field interactions with the interplanetary medium. A spacecraft’s location in geospace is only approximately determined by its coordinates since the environment is inhomogeneous, with distinct physical processes occurring in different regions. Knowing the location in the geospace offers a strong support for data analysis. This paper introduces a new dataset, Geospace Region and Magnetospheric Boundary identification (GRMB), which provides labelled positions for each Cluster spacecraft over the whole mission, with respect to the local environment. This continuous labelling is based on manual selection, supported by browsing 44 different Cluster data products. The GRMB dataset includes 15 labels spanning from the plasmasphere to solar wind regions. Its consistency is validated over 7 years against reference lists and by the physical properties of the GRMB regions. Over those years, Cluster spent a similar proportion of the time (≈15%) in the regions labelled lobe, plasmasheet, plasmasheet transition region, magnetosheath and solar wind. |
| format | Article |
| id | doaj-art-54bf9067af7d4aa7a022908cfe33a7b9 |
| institution | OA Journals |
| issn | 2052-4463 |
| language | English |
| publishDate | 2025-02-01 |
| publisher | Nature Portfolio |
| record_format | Article |
| series | Scientific Data |
| spelling | doaj-art-54bf9067af7d4aa7a022908cfe33a7b92025-08-20T02:37:57ZengNature PortfolioScientific Data2052-44632025-02-0112112510.1038/s41597-025-04639-zLocalization of the Cluster satellites in the geospace environmentBenjamin Grison0Fabien Darrouzet1Romain Maggiolo2Mychajlo Hajoš3Michal Dvořák4Martin Švanda5Anna Jeřábková6Matthew Graham George Thaddeus Taylor7Delphine Herment8Arnaud Masson9Jan Souček10Ondřej Santolík11Johan De Keyser12Institute of Atmospheric Physics of the Czech Academy of Sciences (IAP), Department of Space PhysicsRoyal Belgian Institute for Space Aeronomy (BIRA-IASB), Department of Space PhysicsRoyal Belgian Institute for Space Aeronomy (BIRA-IASB), Department of Space PhysicsInstitute of Atmospheric Physics of the Czech Academy of Sciences (IAP), Department of Space PhysicsInstitute of Atmospheric Physics of the Czech Academy of Sciences (IAP), Department of Space PhysicsInstitute of Atmospheric Physics of the Czech Academy of Sciences (IAP), Department of Space PhysicsInstitute of Atmospheric Physics of the Czech Academy of Sciences (IAP), Department of Space PhysicsEuropean Space Research and Technology Centre (ESTEC)European Space Astronomy Centre (ESAC)European Space Astronomy Centre (ESAC)Institute of Atmospheric Physics of the Czech Academy of Sciences (IAP), Department of Space PhysicsInstitute of Atmospheric Physics of the Czech Academy of Sciences (IAP), Department of Space PhysicsRoyal Belgian Institute for Space Aeronomy (BIRA-IASB), Department of Space PhysicsAbstract The geometry of the terrestrial magnetized environment, or geospace, varies widely in space and time due to the Earth’s magnetic field interactions with the interplanetary medium. A spacecraft’s location in geospace is only approximately determined by its coordinates since the environment is inhomogeneous, with distinct physical processes occurring in different regions. Knowing the location in the geospace offers a strong support for data analysis. This paper introduces a new dataset, Geospace Region and Magnetospheric Boundary identification (GRMB), which provides labelled positions for each Cluster spacecraft over the whole mission, with respect to the local environment. This continuous labelling is based on manual selection, supported by browsing 44 different Cluster data products. The GRMB dataset includes 15 labels spanning from the plasmasphere to solar wind regions. Its consistency is validated over 7 years against reference lists and by the physical properties of the GRMB regions. Over those years, Cluster spent a similar proportion of the time (≈15%) in the regions labelled lobe, plasmasheet, plasmasheet transition region, magnetosheath and solar wind.https://doi.org/10.1038/s41597-025-04639-z |
| spellingShingle | Benjamin Grison Fabien Darrouzet Romain Maggiolo Mychajlo Hajoš Michal Dvořák Martin Švanda Anna Jeřábková Matthew Graham George Thaddeus Taylor Delphine Herment Arnaud Masson Jan Souček Ondřej Santolík Johan De Keyser Localization of the Cluster satellites in the geospace environment Scientific Data |
| title | Localization of the Cluster satellites in the geospace environment |
| title_full | Localization of the Cluster satellites in the geospace environment |
| title_fullStr | Localization of the Cluster satellites in the geospace environment |
| title_full_unstemmed | Localization of the Cluster satellites in the geospace environment |
| title_short | Localization of the Cluster satellites in the geospace environment |
| title_sort | localization of the cluster satellites in the geospace environment |
| url | https://doi.org/10.1038/s41597-025-04639-z |
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