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Neutral hydrogen (HI) bubbles and shells are common in the interstellar medium (ISM). Studying their properties provides insight into the characteristics of the local ISM as well as the galaxy in which the bubbles reside. We report the detection of magnetic fields associated with superbubbles in the nearby irregular galaxy, the Small Magellanic Cloud (SMC).
Galaxies are surrounded by the circumgalactic medium (CGM) that evolves interactively with the interstellar medium (ISM) and the intergalactic medium (IGM) beyond the galactic halo. While most of the volume within the halo is filled with hot diffuse gas, observations report the detection of denser and cooler phase gas clouds around the Milky Way as well as nearby galaxies (e.g. Westmeier 2018; Lehner et al. 2020).
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