TY - JOUR T1 - First detection of the powerful gamma-ray burst GRB 221009A by the THEMIS ESA and SST particle detectors on 2022 October 9 JO - The Astrophysical Journal Letters PY - 2023/05/12 AU - Agapitov OV AU - Balikhin M AU - Hull AJ AU - Hobara Y AU - Angelopoulos V AU - Mozer FS ED - DO - DOI: 10.3847/2041-8213/accfa0 PB - American Astronomical Society VL - 948 IS - 2 Y2 - 2024/12/22 ER -