ALMA Discovery of Solar Umbral Brightness Enhancement at λ = 3 mm
Kazumasa Iwai, Nagoya University, Institute for Space-Earth Environmental Research, Nagoya, Japan, Maria Loukitcheva, New Jersey Institute of Technology, Edison, NJ, United States, Masumi Shimojo, NAOJ, Mitaka, Tokyo, Japan, Sami K Solanki, Max Planck Institute for Solar System Research, Göttingen, Germany and Stephen M White, AFRL, Kirtland AFB, NM, United States
