A Nascent Tidal Dwarf Galaxy Forming within the Northern HI Streamer of M82

Imad Pasha, Deborah Lokhorst, Pieter G. van Dokkum +12

We identify a $\sim$600 pc-wide region of active star formation located within a tidal streamer of M82 via $H\alpha$ emission ($F_{H\alpha }\sim 6.5\times 10^{-14}$ erg s${}^{-1}$ cm${}^{-2}$), us…