Massive Star Population in the Sextans A Dwarf Galaxy from HST UV Photometry

Roberto Flores, Elena Fantino, Giuseppina Battaglia +1

We build a catalog of massive (M>$8$M${}_{\odot }$) main sequence stars in the \mbox{metal-poor} ($\sim 0.1$Z${}_{\odot }$) dwarf irregular galaxy Sextans A. HST WFC3 UV photometry in the 2…