Arxiv:2012.09961V2 [Astro-Ph.HE] 25 Mar 2021
Draft version March 26, 2021 Typeset using LATEX twocolumn style in AASTeX63 GRB 180418A: A possibly-short GRB with a wide-angle outflow in a faint host galaxy A. Rouco Escorial ,1 W. Fong ,1 P. Veres ,2 T. Laskar ,3 A. Lien ,4, 5 K. Paterson ,1 M. Lally ,1 P. K. Blanchard ,1 A. E. Nugent ,1 N. R. Tanvir ,6 D. Cornish ,1 E. Berger ,7 E. Burns,8, ∗ S. B. Cenko ,8, 9 B. E. Cobb ,10 A. Cucchiara,11, 12 A. Goldstein ,13 R. Margutti ,1 B. D. Metzger ,14, 15 P. Milne,16 A. Levan ,17, 18 M. Nicholl ,19, 20 and Nathan Smith 16 1Center for Interdisciplinary Exploration and Research in Astrophysics (CIERA) and Department of Physics and Astronomy, Northwestern University, 1800 Sherman Ave, Evanston, IL 60201, USA 2Center for Space Plasma and Aeronomic Research, University of Alabama in Huntsville, 320 Sparkman Drive, Huntsville, AL 35899, USA 3Department of Physics, University of Bath, Claverton Down, Bath, BA2 7AY, UK 4Center for Research and Exploration in Space Science and Technology (CRESST) and NASA Goddard Space Flight Center, Greenbelt, MD 20771, USA 5Department of Physics, University of Maryland, Baltimore County, 1000 Hilltop Circle, Baltimore, MD 21250, USA 6School of Physics and Astronomy, University of Leicester, University Road, Leicester, LE1 7RH, UK 7Center for Astrophysics j Harvard & Smithsonian, 60 Garden St. Cambridge, MA 02138, USA 8NASA Goddard Space Flight Center, University of Maryland, Baltimore County, Greenbelt, MD 20771, USA 9Joint Space-Science Institute, University of Maryland, College Park, MD 20742, USA 10Department of Physics, The George Washington University, Washington, DC 20052, USA 11College of Marin, 120 Kent Avenue, Kentfield 94904 CA, USA 12University of the Virgin Islands, #2 Brewers bay road, Charlotte Amalie, 00802 USVI, USA 13Science and Technology Institute, Universities Space Research Association, Huntsville, AL 35805, USA 14Center for Computational Astrophysics, Flatiron Institute, 162 W.
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