Digitala Vetenskapliga Arkivet

Change search
CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf
An Overview of Solar Orbiter Observations of Interplanetary Shocks in Solar Cycle 25
European Space Astron Ctr ESAC, European Space Agcy ESA, Camino Bajo Castillo s-n, Villanueva De La Canada 28692, Madrid, Spain.;Imperial Coll London, Dept Phys, Blackett Lab, London SW7 2AZ, England..
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Swedish Institute of Space Physics, Uppsala Division.ORCID iD: 0000-0003-1589-6711
Queen Mary Univ London, Dept Phys & Astron, London E1 4NS, England..
Univ Nacl Autonoma Mexico, Dept Ciencias Espaciales, Ciudad Universitaria, Inst Geofis, Ciudad De Mexico 04150, Mexico..
Show others and affiliations
2025 (English)In: Astrophysical Journal Supplement Series, ISSN 0067-0049, E-ISSN 1538-4365, Vol. 277, no 1, article id 2Article in journal (Refereed) Published
Abstract [en]

Interplanetary (IP) shocks are fundamental constituents of the heliosphere, where they form as a result of solar activity. We use previously unavailable measurements of IP shocks in the inner heliosphere provided by Solar Orbiter, and present a survey of the first 100 shocks observed in situ at different heliocentric distances during the rising phase of solar cycle 25. The fundamental shock parameters (shock normals, shock normal angles, shock speeds, compression ratios, Mach numbers) have been estimated and studied as a function of heliocentric distance, revealing a rich scenario of configurations. Comparison with large surveys of shocks at 1 au shows that shocks in the quasi-parallel regime and with high speed are more commonly observed in the inner heliosphere. The wave environment of the shocks has also been addressed, with about 50% of the events exhibiting clear shock-induced upstream fluctuations. We characterize energetic particle responses to the passage of IP shocks at different energies, often revealing complex features arising from the interaction between IP shocks and preexisting fluctuations, including solar wind structures being processed upon shock crossing. Finally, we give details and guidance on the access use of the present survey, available on the EU-project "Solar Energetic Particle Analysis Platform for the Inner Heliosphere" website. The algorithm used to identify shocks in large data sets, now publicly available, is also described.

Place, publisher, year, edition, pages
Institute of Physics Publishing (IOPP), 2025. Vol. 277, no 1, article id 2
National Category
Astronomy, Astrophysics and Cosmology Fusion, Plasma and Space Physics
Identifiers
URN: urn:nbn:se:uu:diva-551614DOI: 10.3847/1538-4365/ada4a7ISI: 001417270600001Scopus ID: 2-s2.0-85217427165OAI: oai:DiVA.org:uu-551614DiVA, id: diva2:1941044
Funder
EU, Horizon 2020, 101004159Academy of Finland, 346902Available from: 2025-02-27 Created: 2025-02-27 Last updated: 2025-02-27Bibliographically approved

Open Access in DiVA

fulltext(3123 kB)64 downloads
File information
File name FULLTEXT01.pdfFile size 3123 kBChecksum SHA-512
abc4d53d582985e4fbc5c0ec6d684f1402b176ec4c909ab10bc15b26a73cee1be7d040c98ae90cba6295a2af5c91223e6b4df94e22c91abcc1960a9d7702c629
Type fulltextMimetype application/pdf

Other links

Publisher's full textScopus

Search in DiVA

By author/editor
Dimmock, AndrewOwen, Christopher J.
By organisation
Swedish Institute of Space Physics, Uppsala Division
In the same journal
Astrophysical Journal Supplement Series
Astronomy, Astrophysics and CosmologyFusion, Plasma and Space Physics

Search outside of DiVA

GoogleGoogle Scholar
Total: 66 downloads
The number of downloads is the sum of all downloads of full texts. It may include eg previous versions that are now no longer available

doi
urn-nbn

Altmetric score

doi
urn-nbn
Total: 295 hits
CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf