Unbiased constraints on ultralight axion mass from dwarf spheroidal galaxies

Alma X. Gonzalez-Morales, David J. E. Marsh, Jorge Peñarrubia +1

It has been suggested that the internal dynamics of dwarf spheroidal galaxies (dSphs) can be used to test whether or not ultralight axions with $m_a\sim 10^{-22}\text{eV}$ are a pr…