An 8.8 minute orbital period eclipsing detached double white dwarf binary

Kevin B. Burdge, Michael W. Coughlin, Jim Fuller, David L. Kaplan, S. R. Kulkarni, Thomas R. Marsh, Eric C. Bellm, Richard G. Dekany, Dmitry A. Duev, Matthew J. Graham, Ashish A. Mahabal, Frank J. Masci, Russ R. Laher, Reed Riddle, Maayane T. Soumagnac, Thomas A. Prince