TY - CPAPER TI - More powerfull than a speeding "bullet"?: New HST images and analysis of the galaxy cluster merger Abell 2744 PY - 2011 AU - Coe, Dan A AU - Dupke, R AU - Benitez, N AU - Broadhurst, T AU - Massey, R AU - Zitrin, A AU - Merten, J AU - Cypriano, E AU - Braglia, F AU - Frye, B AU - Meneghetti, M AU - Moustakas, L AU - Rhodes, J AU - Krick, J AU - Sodré Júnior, Laerte AU - Bregman, J AU - Jiménez-Teja, Y AU - Bernstein, R T2 - Meeting of the American Astronomical Society with the Historical Astronomy Division (HAD) and the High Energy Astrophysics Division (HEAD) J2 - AAS 217th Abstracts PP - Washington PB - American Astronomical Society ER -