A lack of constraints on the cold opaque H I mass: H I spectra in M31 and M33 prefer multicomponent models over a single cold opaque componentDOI: info:10.1093/mnras/stab981v. 5041801–1824
Koch, Eric W., Rosolowsky, Erik W., Leroy, Adam K., Chastenet, Jérémy, Chiang (江宜達), I. -Da, Dalcanton, Julianne, Kepley, Amanda A., Sandstrom, Karin M., Schruba, Andreas, Stanimirović, Snežana, Utomo, Dyas, and Williams, Thomas G. 2021. "A lack of constraints on the cold opaque H I mass: H I spectra in M31 and M33 prefer multicomponent models over a single cold opaque component." Monthly Notices of the Royal Astronomical Society, 504 1801–1824. https://doi.org/10.1093/mnras/stab981.