1. Department of Physics, The University of Chicago, Chicago, Illinois 60637 and Center for Astrophysical Thermonuclear Flashes, The University of Chicago, Chicago, Illinois 60637
2. Center for Astrophysical Thermonuclear Flashes, The University of Chicago, Chicago, Illinois 60637 and Department of Astronomy & Astrophysics, The University of Chicago, Chicago, Illinois 60637
3. Department of Physics, The University of Chicago, Chicago, Illinois 60637; Center for Astrophysical Thermonuclear Flashes, The University of Chicago, Chicago, Illinois 60637; Department of Astronomy & Astrophysics, The University of Chicago, Chicago, Illinois 60637; and Enrico Fermi Institute, The University of Chicago, Chicago, Illinois 60637
4. Center for Astrophysical Thermonuclear Flashes, The University of Chicago, Chicago, Illinois 60637; Department of Astronomy & Astrophysics, The University of Chicago, Chicago, Illinois 60637; and Enrico Fermi Institute, The University of Chicago, Chicago, Illinois 60637
5. Center for Astrophysical Thermonuclear Flashes, The University of Chicago, Chicago, Illinois 60637 and Enrico Fermi Institute, The University of Chicago, Chicago, Illinois 60637
6. Department of Astronomy and Astrophysics, The University of California, Santa Cruz, Santa Cruz, California 95064
7. Department of Physics, The University of Chicago, Chicago, Illinois 60637 and UMBC/GEST Center, NASA/GSFC, Greenbelt, Maryland 20771
8. Center for Astrophysical Thermonuclear Flashes, The University of Chicago, Chicago, Illinois 60637