2 papers
astro-ph.SR2025
Shock and SEP Modeling Study for the 5 September 2022 SEP Event
A. Kouloumvakos, N. Wijsen, I. C. Jebaraj +10
On September 5, 2022, during Parker Solar Probe's (PSP) 13th encounter, a fast shock wave and a related solar energetic particle (SEP) event were observed as the spacecraft approac…
astro-ph.SR2024
Circumstellar emission of Cepheids across the instability strip: Mid-infrared observations with VLTI/MATISSE
V. Hocdé, A. Matter, N. Nardetto +14
The circumstellar envelopes (CSE) of Cepheids are still not well characterized despite their potential impact on distance determination via both the period-luminosity relation and…