The Dependence of Joy's Law and Mean Tilt as a Function of Flux Emergence Phase

Lucy W. Will, Aimee A. Norton, Jon Todd Hoeksema

Data from the Michelson Doppler Imager (MDI) and Helioseismic and Magnetic Imager (HMI) are analyzed from 1996 to 2023 to investigate tilt angles ($\gamma$) of bipolar magnetic regions…