Observations of Mirror Mode Structures in the Dawn-Side Magnetosphere - Chandler, MO; Schwartz, SJ; Avanov, LA; Coffey, VN; Giles, BL; Moore, TE; Pollock, CJ; Burch, JL; Russell, CT; Torbert, RB (JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS, 2021)