A resolved, au-scale gas disk around the B[e] star HD 50138
A resolved, au-scale gas disk around the B[e] star HD 50138
HD 50138 is a B[e] star surrounded by a large amount of circumstellar gas and dust. Its spectrum shows characteristics which may indicate either a pre- or a post-main-sequence system. Mapping the kinematics of the gas in the inner few au of the system contributes to a better understanding of …