Dravins Ludwig IAU400
Under One Sky: The IAU Centenary Symposium Proceedings IAU Symposium 400, Solar and Stellar Multi-Scale Activity, No. , tbd, eds. doi:10.1017/xxxxx Solar photospheric spectrum microvariability Dainis Dravins (1) and Hans-Günter Ludwig (2) (1) Lund Observatory, Division of Astrophysics, Department of Physics, Lund University, SE-22100 Lund, Sweden (2) Zentrum für Astronomie der Universität Heide
https://www.astro.lu.se/sites/astro.lu.se/files/2025-08/Dravins_Ludwig_IAU400.pdf - 2025-09-19