A catalog of 159,238 white dwarf ages. - von Hippel, Ted; Moss, Adam; Kloc, Isabelle; Moticska, Natalie; Sargent, Jimmy; Robinson, Elliot; Stenning, David; van Dyk, David; Jeffery, Elizabeth; Fouesneau, Morgan; Bailer-Jones, Coryn; Barstow, Martin A.; et al. (Proceedings of the International Astronomical Union, 2019)