dc.contributor.author | Trotta, D | |
dc.contributor.author | Larosa, A | |
dc.contributor.author | Nicolaou, G | |
dc.contributor.author | Horbury, TS | |
dc.contributor.author | Matteini, L | |
dc.contributor.author | Hietala, H | |
dc.contributor.author | Blanco-Cano, X | |
dc.contributor.author | Franci, L | |
dc.contributor.author | Chen, CHK | |
dc.contributor.author | Zhao, L | |
dc.contributor.author | Zank, GP | |
dc.contributor.author | Cohen, CMS | |
dc.contributor.author | Bale, SD | |
dc.contributor.author | Laker, R | |
dc.contributor.author | Fargette, N | |
dc.contributor.author | Valentini, F | |
dc.contributor.author | Khotyaintsev, Y | |
dc.contributor.author | Kieokaew, R | |
dc.contributor.author | Raouafi, N | |
dc.contributor.author | Davies, E | |
dc.contributor.author | Vainio, R | |
dc.contributor.author | Dresing, N | |
dc.contributor.author | Kilpua, E | |
dc.contributor.author | Karlsson, T | |
dc.contributor.author | Owen, CJ | |
dc.contributor.author | Wimmer-Schweingruber, RF | |
dc.date.accessioned | 2024-05-14T14:02:51Z | |
dc.date.available | 2024-05-14T14:02:51Z | |
dc.date.issued | 2024-02-15 | |
dc.identifier.citation | @article{Trotta_2024, doi = {10.3847/1538-4357/ad187d}, url = {https://dx.doi.org/10.3847/1538-4357/ad187d}, year = {2024}, month = {feb}, publisher = {The American Astronomical Society}, volume = {962}, number = {2}, pages = {147}, author = {Domenico Trotta and Andrea Larosa and Georgios Nicolaou and Timothy S. Horbury and Lorenzo Matteini and Heli Hietala and Xochitl Blanco-Cano and Luca Franci and C. H. K Chen and Lingling Zhao and Gary P. Zank and Christina M. S. Cohen and Stuart D. Bale and Ronan Laker and Nais Fargette and Francesco Valentini and Yuri Khotyaintsev and Rungployphan Kieokaew and Nour Raouafi and Emma Davies and Rami Vainio and Nina Dresing and Emilia Kilpua and Tomas Karlsson and Christopher J. Owen and Robert F. Wimmer-Schweingruber}, title = {Properties of an Interplanetary Shock Observed at 0.07 and 0.7 au by Parker Solar Probe and Solar Orbiter}, journal = {The Astrophysical Journal}, abstract = {The Parker Solar Probe (PSP) and Solar Orbiter (SolO) missions opened a new observational window in the inner heliosphere, which is finally accessible to direct measurements. On 2022 September 5, a coronal mass ejection (CME)-driven interplanetary (IP) shock was observed as close as 0.07 au by PSP. The CME then reached SolO, which was radially well-aligned at 0.7 au, thus providing us with the opportunity to study the shock properties at different heliocentric distances. We characterize the shock, investigate its typical parameters, and compare its small-scale features at both locations. Using the PSP observations, we investigate how magnetic switchbacks and ion cyclotron waves are processed upon shock crossing. We find that switchbacks preserve their V–B correlation while compressed upon the shock passage, and that the signature of ion cyclotron waves disappears downstream of the shock. By contrast, the SolO observations reveal a very structured shock transition, with a population of shock-accelerated protons of up to about 2 MeV, showing irregularities in the shock downstream, which we correlate with solar wind structures propagating across the shock. At SolO, we also report the presence of low-energy (∼100 eV) electrons scattering due to upstream shocklets. This study elucidates how the local features of IP shocks and their environments can be very different as they propagate through the heliosphere.} } | en_US |
dc.identifier.issn | 0004-637X | |
dc.identifier.uri | https://qmro.qmul.ac.uk/xmlui/handle/123456789/96868 | |
dc.description.abstract | <jats:title>Abstract</jats:title> <jats:p>The Parker Solar Probe (PSP) and Solar Orbiter (SolO) missions opened a new observational window in the inner heliosphere, which is finally accessible to direct measurements. On 2022 September 5, a coronal mass ejection (CME)-driven interplanetary (IP) shock was observed as close as 0.07 au by PSP. The CME then reached SolO, which was radially well-aligned at 0.7 au, thus providing us with the opportunity to study the shock properties at different heliocentric distances. We characterize the shock, investigate its typical parameters, and compare its small-scale features at both locations. Using the PSP observations, we investigate how magnetic switchbacks and ion cyclotron waves are processed upon shock crossing. We find that switchbacks preserve their V–B correlation while compressed upon the shock passage, and that the signature of ion cyclotron waves disappears downstream of the shock. By contrast, the SolO observations reveal a very structured shock transition, with a population of shock-accelerated protons of up to about 2 MeV, showing irregularities in the shock downstream, which we correlate with solar wind structures propagating across the shock. At SolO, we also report the presence of low-energy (∼100 eV) electrons scattering due to upstream shocklets. This study elucidates how the local features of IP shocks and their environments can be very different as they propagate through the heliosphere.</jats:p> | en_US |
dc.format.extent | 147 - 147 | |
dc.publisher | American Astronomical Society | en_US |
dc.relation.ispartof | The Astrophysical Journal | |
dc.rights | Original content from this work may be used under the terms of the Creative Commons Attribution 4.0 licence. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI. | |
dc.title | Properties of an Interplanetary Shock Observed at 0.07 and 0.7 au by Parker Solar Probe and Solar Orbiter | en_US |
dc.type | Article | en_US |
dc.rights.holder | © 2024. The Author(s). Published by the American Astronomical Society. | |
dc.identifier.doi | 10.3847/1538-4357/ad187d | |
pubs.issue | 2 | en_US |
pubs.notes | Not known | en_US |
pubs.publication-status | Published | en_US |
pubs.publisher-url | http://dx.doi.org/10.3847/1538-4357/ad187d | en_US |
pubs.volume | 962 | en_US |
rioxxterms.funder | Default funder | en_US |
rioxxterms.identifier.project | Default project | en_US |