High temporal resolution observations of auroral electron density using superthermal electron enhancement of plasma lines

Juha Vierinen1,2, Asti Bhatt3, Michael Hirsch4, Anja Stromme3, Joshua L Semeter4, Shunrong Zhang5 and Philip John Erickson6, (1)The Arctic University of Norway, Department of Physics and Technology, Tromsø, Norway, (2)University of Tromsø, Tromsø, Norway, (3)SRI International Menlo Park, Menlo Park, CA, United States, (4)Boston University, Boston, MA, United States, (5)MIT Haystack Observatory, Westford, MA, United States, (6)MIT Haystack Observatory, Westford, United States