Original ResearchPublished 23 September 2026Formation-height diagnostics across a sunspot: a comparison of Lightweaver radiative transfer and NICOLE inversions using the Ca ii 8542Å lineTimothy J. Duckenfield · David B. Jess · Shahin Jafarzadeh · Luc Rouppe van der Voort · Vasco M. J. HenriquesFrontiers in Astronomy and Space Sciencesdoi 10.3389/fspas.2026.1873920
Original ResearchPublished 7 August 2026Phase relationships among different types of solar magnetic fields at high and low latitudesW. Q. Chen · K. J. Li · J. C. XuFrontiers in Astronomy and Space Sciencesdoi 10.3389/fspas.2026.1793583
