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astro-ph.SR2025
Three dimensional He+ pickup ion velocity distribution functions observed with STEREO-A PLASTIC
Duncan Keilbach, Verena Heidrich-Meisner, Lars Berger +1
Freshly injected interstellar Pickup Ions (PUIs) are expected to exhibit a simple, torus-shaped velocity distribution function. The PUI velocity in the solar wind frame depends on…
astro-ph.SR2025
Challenges in identifying the coronal hole wind
Verena Heidrich-Meisner, Sophie Teichmann, Lars Berger +1
Solar wind is frequently categorized based on its respective solar source region. Two well-established categorizations of the coronal hole wind, the scheme based on the charge-stat…