A5022382021- Solar and Space Plasma Dynamics
- Geological and Geophysical Studies
- Ionosphere and magnetosphere dynamics
- Astro and Planetary Science
- Geomagnetism and Paleomagnetism Studies
- Stellar, planetary, and galactic studies
University College London
2021-2022
St Mary's University College
2022
Abstract Global coronal models seek to produce an accurate physical representation of the Sun’s atmosphere that can be used, for example, drive space-weather models. Assessing their accuracy is a complex task, and there are multiple observational pathways provide constraints tune model parameters. Here, we combine several such independent constraints, defining model-agnostic framework standardized comparison. We require predict distribution holes at photosphere, neutral line topology model’s...
Parker Solar Probe observations show ubiquitous magnetic-field reversals closer to the Sun, often referred as "switchbacks". The switchbacks have been observed before in solar wind near 1 AU and beyond, but their occurrence was historically rare. PSP measurements below ∼ 0.2 that are, however, most prominent structures "young" wind. In this work, we analyze remote-sensing of a small equatorial coronal hole which connected during perihelion Encounter 1. We investigate whether some captured...
Abstract The role of small-scale coronal eruptive phenomena in the generation and heating solar wind remains an open question. Here, we investigate played by jets forming testing whether temporal variations associated with jetting EUV intensity can be identified outflowing solar-wind plasma. This type comparison is challenging due to inherent differences between remote-sensing observations source in-situ plasma, as well travel time evolution throughout heliosphere. To overcome these, propose...