PSP Bibliography


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Found 4 entries in the Bibliography.

Showing entries from 1 through 4


Searching for a Solar Source of Magnetic-Field Switchbacks in Parker Solar Probe s First Encounter

Parker Solar Probe observations show ubiquitous magnetic-field reversals closer to the Sun, often referred to as switchbacks . The switchbacks have been observed before in the solar wind near 1 AU and beyond, but their occurrence was historically rare. PSP measurements below \ensuremath\sim 0.2 AU show that switchbacks are, however, the most prominent structures in the young solar wind. In this work, we analyze remote-sensing observations of a small equatorial coronal hole to which PSP was connected during the perihel ...

de Pablos, D.; Samanta, T.; Badman, S.~T.; Schwanitz, C.; Bahauddin, S.~M.; Harra, L.~K.; Petrie, G.; Cormack, Mac; Mandrini, C.~H.; Raouafi, N.~E.; Pillet, Martinez; Velli, M.;

Published by: \solphys      Published on: jul

YEAR: 2022     DOI: 10.1007/s11207-022-02022-4

Parker Data Used; Solar wind; Coronal holes; Observations


Probing Upflowing Regions in the Quiet Sun and Coronal Holes

Recent observations from Parker Solar Probe have revealed that the solar wind has a highly variable structure. How this complex behaviour is formed in the solar corona is not yet known, since it requires omnipresent fluctuations, which constantly emit material to feed the wind. In this article we analyse 14 upflow regions in the solar corona to find potential sources for plasma flow. The upflow regions are derived from spectroscopic data from the EUV Imaging Spectrometer (EIS) on board Hinode determining their Doppler veloci ...

Schwanitz, Conrad; Harra, Louise; Raouafi, Nour; Sterling, Alphonse; Vacas, Alejandro; Iniesta, Jose; arez, David; Hara, Hirohisa;

Published by: \solphys      Published on: dec

YEAR: 2021     DOI: 10.1007/s11207-021-01915-0

Parker Data Used; Corona; structures; Coronal holes; Jets; Astrophysics - Solar and Stellar Astrophysics

On Alfvénic Slow Wind: A Journey From the Earth Back to the Sun

Comparative studies of fast and slow solar wind streams performed over the past decades have illustrated several differences between the plasma regimes for these different flows, examples including features such as temperatures, particle distribution function anisotropies, and the nature of the embedded turbulence, specifically the Alfvénicity of the fluctuations. Though this two state classification of the solar wind primarily based on flow speed has been widely adopted, more in depth studies have found that slow solar win ...

Amicis, R.; Perrone, D.; Bruno, R.; Velli, M.;

Published by: Journal of Geophysical Research (Space Physics)      Published on: 04/2021

YEAR: 2021     DOI: 10.1029/2020JA028996

Parker Data Used; Coronal holes; interplanetary magnetic field; MHD waves and turbulence; Solar wind plasma; solar wind sources; turbulence

Upflows in the Upper Solar Atmosphere

Spectroscopic observations at extreme- and far-ultraviolet wavelengths have revealed systematic upflows in the solar transition region and corona. These upflows are best seen in the network structures of the quiet Sun and coronal holes, boundaries of active regions, and dimming regions associated with coronal mass ejections. They have been intensively studied in the past two decades because they are likely to be closely related to the formation of the solar wind and heating of the upper solar atmosphere. We present an overvi ...

Tian, Hui; Harra, Louise; Baker, Deborah; Brooks, David; Xia, Lidong;

Published by: Solar Physics      Published on: 03/2021

YEAR: 2021     DOI: 10.1007/s11207-021-01792-7

Active regions; velocity field; Coronal holes; coronal mass ejections; low coronal signatures; Heating; coronal; Spectral line; broadening; Astrophysics - Solar and Stellar Astrophysics