PSP Bibliography



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Eruption and Interplanetary Evolution of a Stealthy Streamer-Blowout CME Observed by PSP at \ensuremath\sim0.5 AU


AuthorPal, Sanchita; Lynch, Benjamin; Good, Simon; Palmerio, Erika; Asvestari, Eleanna; Pomoell, Jens; Stevens, Michael; Kilpua, Emilia;
KeywordsParker Data Used; Astrophysics - Solar and Stellar Astrophysics; Physics - Space Physics
AbstractStreamer-blowout coronal mass ejections (SBO-CMEs) are the dominant CME population during solar minimum. Although they are typically slow and lack clear low-coronal signatures, they can cause geomagnetic storms. With the aid of extrapolated coronal fields and remote observations of the off-limb low corona, we study the initiation of an SBO-CME preceded by consecutive CME eruptions consistent with a multi-stage sympathetic breakout scenario. From inner-heliospheric Parker Solar Probe (PSP) observations, it is evident that the SBO-CME is interacting with the heliospheric magnetic field and plasma sheet structures draped about the CME flux rope. We estimate that 18 \ensuremath\pm 11\% of the CME s azimuthal magnetic flux has been eroded through magnetic reconnection and that this erosion began after a heliospheric distance of \ensuremath\sim0.35 AU from the Sun was reached. This observational study has important implications for understanding the initiation of SBO-CMEs and their interaction with the heliospheric surroundings.
Year of Publication2022
JournalFrontiers in Astronomy and Space Sciences
Volume9
Number of Pages903676
Section
Date Publishedmay
ISBN
URL
DOI10.3389/fspas.2022.903676