Author Affiliations +
Daniel A. Schwartz,1 Alexey Vikhlinin,2 Harvey Tananbaum,2 Mark Freeman,2 Grant Tremblay,2 Eric D. Schwartz,2 Jessica A. Gaskin,3 Douglas Swartz,3 Karen Gelmis,3 Kevin S. McCarley,3 Alexandra Dominguez3
1Harvard-Smithsonian Ctr for Astrophysics (United States)
2Harvard-Smithsonian Ctr. for Astrophysics (United States)
3NASA Marshall Space Flight Ctr. (United States)