Ongoing star formation at the outskirts of Sextans A: Spectroscopic detection of early-O type stars

Miriam Garcia, Artemio Herrero, Francisco Najarro +3

With both nebular- and stellar-derived abundances of $\lesssim$ 1/10 Zsun and low foreground extinction, Sextans A is a prime candidate to replace the Small Magellanic Cloud as res…