Bagetakos, Ioannis; Brinks, Elias; Walter, Fabian; de Blok, Willem
We present an analysis of the finescale structure of the neutral ISM as traced via the 21-cm line of atomic hydrogen (HI) in the nearby galaxy M 81. The data show a stunning amount of detail in the form of 330 expanding shells and holes in the neutral ISM of M 81. A comparison with similar structures found in two other spirals and two dwarf galaxies (M 31, M 33, IC 2574 and Holmberg II) reveals that the ISM in M 81 shares a lot of similarities with the two spirals, whereas the structure of its...[Show more]
Items in Open Research are protected by copyright, with all rights reserved, unless otherwise indicated.