The Local Volume HI Survey

ESO 381-G018 (HIPASS J1244-35) is a dwarf irregular galaxy in the Cen A group, located at a TRGB distance of 5.32 ± 0.51 Mpc (Karachentsev et al. 2007). Its nearest neighbour is ESO 381-G020 (HIPASS J1246-33), just over 2 degrees away. Our ATCA HI maps show a barely resolved source with a regular rotating disc. We measure F_HI = 2.6 Jy km/s, in agreement with HIPASS (Meyer et al. 2004), and derive an HI mass of 1.7 × 10⁷ M_☉. A detailed study of its star formation history suggests there were two recent star formation bursts (Crnojevic et al. 2011).

Reference: Koribalski et al. 2018 * LVHIS database * LVHIS homepage * next