A Giant Shell of Ionized Gas Discovered near M82 with the Dragonfly Spectral Line Mapper Pathfinder

Deborah Lokhorst, Roberto Abraham, Imad Pasha, and Pieter van Dokkum, Seery Chen, Tim Miller, Shany Danieli, Johnny Greco, Jielai Zhang, Allison Merritt, Charlie Conroy. The Astrophysical Journal, Volume 927, Issue 2, id.136, 12 pp.