"GAMA + KiDS: empirical correlations between halo mass and other galaxy properties near the knee of the stellar-to-halo mass relation" - Taylor et al (2020)
Alan Duffy
An absolute monster of a paper exploring the connection between galaxies observed by the GAMA-survey using infrared and visible light with the mass of the galaxy (and in particular its surrounding dark matter halo!) by weak gravitational lensing inferred from KiDS. My colleague A/Prof Edward ‘Ned’ Taylor did a spectacular job teasing out the ways to explore the properties of the galaxy and its mass… the end result? The dark matter halo mass is more tightly linked to the galaxy’s structure than either the past or current star formation. That means that the stars that make up the galaxies structure are not as relevant as the size of the dark matter halo around it - which traditionally is assumed to play a minor, if any, role in that structure. A wonderful and counterintuitive result, congrats Ned!