TY - JOUR AU - EventHorizonTelescopeCollaboration AU - Kazunori Akiyama AU - Antxon Alberdi AU - Walter Alef AU - et. al. BT - The Astrophysical Journal Letters DA - 2022-05 DO - 10.3847/2041-8213/ac6675 IS - 2 PY - 2022 EP - L13 T2 - The Astrophysical Journal Letters TI - Sagittarius A* Event Horizon Telescope Results. II. EHT and Multiwavelength Observations, Data Processing, and Calibrati UR - https://doi.org/10.3847/2041-8213/ac6675 VL - 930 ER -