Author Affiliations +
Catherine E. Grant,1 Eric D. Miller,1 Marshall W. Bautz,1 Tanja Eraerds,2 Silvano Molendi,3 Jonathan Keelan,4 David Hall,4 Andrew D. Holland,4 Ralph Kraft,5 Esra Bulbul,5 Paul Nulsen,5 Steven Allen6
1MIT Kavli Institute for Astrophysics and Space Research (United States)
2Max-Planck-Institut für Extraterrestrische Physik (Germany)
3INAF - Istituto di Astrofisica Spaziale e Fisica cosmica Milano (Italy)
4The Open Univ. (United Kingdom)
5Harvard-Smithsonian Ctr. for Astrophysics (United States)
6Stanford Univ. (United States)