W. Cui^1,8, M. K. Daniel², Q. Feng⁹, J. P. Finley¹, L. Fortson¹⁰, A. Furniss¹¹, G. Gillanders⁷, M. Hütten⁵, D. Hanna⁹, O. Hervet¹², J. Holder¹³, G. Hughes², T. B. Humensky¹⁴, C. A. Johnson¹², P. Kaaret¹⁵, P. Kar¹⁶, N. Kelley-Hoskins⁵, M. Kertzman¹⁷, D. Kieda¹⁶, M. Krause⁵, F. Krennrich¹⁸, S. Kumar¹³, M. J. Lang⁷, T. T. Y. Lin⁹, G. Maier⁵, S. McArthur¹, P. Moriarty⁷, R. Mukherjee¹⁹, S. O’Brien²⁰, R. A. Ong²¹, A. N. Otte²², A. Petrashyk¹⁴, M. Pohl^4,5, E. Pueschel⁵, J. Quinn²⁰, K. Ragan⁹, P. T. Reynolds²³, G. T. Richards²², E. Roache², C. Rulten¹⁰, I. Sadeh⁵, M. Santander²⁴, G. H. Sembroski¹, D. Staszak^25,*, I. Sushch⁵, S. P. Wakely²⁵, R. M. Wells¹⁸, P. Wilcox¹⁵, A. Wilhelm^4,5, D. A. Williams¹², T. J. Williamson¹³, and B. Zitzer^9,† (The VERITAS Collaboration)

• ¹Department of Physics and Astronomy, Purdue University, West Lafayette, Indiana 47907, USA
• ²Fred Lawrence Whipple Observatory, Harvard-Smithsonian Center for Astrophysics, Amado, Arizona 85645, USA
• ³Department of Physics and Astronomy, University of California, Los Angeles, California 90095, USA
• ⁴Institute of Physics and Astronomy, University of Potsdam, 14476 Potsdam-Golm, Germany
• ⁵DESY, Platanenallee 6, 15738 Zeuthen, Germany
• ⁶Department of Physics, Washington University, St. Louis, Missouri 63130, USA
• ⁷School of Physics, National University of Ireland Galway, University Road, Galway, Ireland
• ⁸Department of Physics and Center for Astrophysics, Tsinghua University, Beijing 100084, China
• ⁹Physics Department, McGill University, Montreal, Quebec H3A 2T8, Canada
• ¹⁰School of Physics and Astronomy, University of Minnesota, Minneapolis, Minnesota 55455, USA
• ¹¹Department of Physics, California State University—East Bay, Hayward, California 94542, USA
• ¹²Santa Cruz Institute for Particle Physics and Department of Physics, University of California, Santa Cruz, California 95064, USA
• ¹³Department of Physics and Astronomy and the Bartol Research Institute, University of Delaware, Newark, Delaware 19716, USA
• ¹⁴Physics Department, Columbia University, New York, New York 10027, USA
• ¹⁵Department of Physics and Astronomy, University of Iowa, Van Allen Hall, Iowa City, Iowa 52242, USA
• ¹⁶Department of Physics and Astronomy, University of Utah, Salt Lake City, Utah 84112, USA
• ¹⁷Department of Physics and Astronomy, DePauw University, Greencastle, Indiana 46135-0037, USA
• ¹⁸Department of Physics and Astronomy, Iowa State University, Ames, Iowa 50011, USA
• ¹⁹Department of Physics and Astronomy, Barnard College, Columbia University, New York City, New York 10027, USA
• ²⁰School of Physics, University College Dublin, Belfield, Dublin 4, Ireland
• ²¹Department of Physics and Astronomy, University of California, Los Angeles, California 90095, USA
• ²²School of Physics and Center for Relativistic Astrophysics, Georgia Institute of Technology, 837 State Street NW, Atlanta, Georgia 30332-0430, USA
• ²³Department of Physical Sciences, Cork Institute of Technology, Bishopstown, Cork, Ireland
• ²⁴Department of Physics and Astronomy, University of Alabama, Tuscaloosa, Alabama 35487, USA
• ²⁵Enrico Fermi Institute, University of Chicago, Chicago, Illinois 60637, USA

• ^*d.staszak@gmail.com
• ^†bzitzer@physics.mcgill.ca