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The Carina Nebula and Gum 31 molecular complex โ€“ II. The distribution of the atomic gas revealed in unprecedented detail

The Carina Nebula and Gum 31 molecular complex โ€“ II. The distribution of the atomic gas revealed in unprecedented detail

We report high spatial resolution observations of the HI 21cm line in the Carina Nebula and the Gum 31 region obtained with the Australia Telescope Compact Array. The observations covered $\sim$ 12 deg$^2$ centred on $l= 287.5\deg,b = -1\deg$, achieving an angular resolution of $\sim $ 35 arcseconds. The HI โ€ฆ