One-kpc Expanding Cylinder of HI-Gas around the Galactic Center
Abstract
We report the discovery of an expanding cylinder of HI gas of radius 1 kpc and vertical extent 800 pc by analyzing the 21-cm line survey data from the literature. The cylinder is expanding at 150 km s-1 and rotating at 100 km s-1, and is interpreted as due to a high-velocity conical wind at 180 km s-1 from the Galactic Center. The total mass of the cylinder is estimated to be 8.5× 105 M and kinetic energy 3× 1053 ergs.
0
Turn this paper into a full lesson
ArcXiv compiles a staged curriculum from this paper: 8-12 lessons across beginner → advanced, synthesised section guides, visuals, flashcards, a quiz, exercises, and on-demand deep dives per section. Grounded in the abstract, never invented.