Authors: Marina Kounkel, Kevin Covey, and Keivan G. Stassun
2020 The Astronomical Journal160279.
Provider: AAS Journals
Caption: Figure 10.
Distribution of ages of the populations in the spiral arms, defining the Perseus Arm at ﹩-3000\lt X\lt -1000﹩ pc, Local Arm at ﹩-1000\lt X\,\lt 1000﹩ pc, and the Sagittarius Arm at ﹩1000\lt X\lt 3000﹩ pc, for the highest confidence sample.