Author(s): Ackermann Markus, Asano K., Cheung C. C., Digel S. W., Lalla N. Di, Mauro M. Di, Ferrara E. C., Funk S., Fusco P., Giroletti M., Grenier I. A., Guillemot Lucas, Horan D., Kuss M., Mura G. La, Larsson S., Li J., Loparco F., Lott B., Mayer M., Michelson P. F., Negro M., Nuss E., Perkins J. S., Piron F., Porter T. A., Sgrò C., Simone D., Spinelli P., Thompson D. J.
(Article) Published:
The Astrophysical Journal / The Astrophysical Journal Letters, vol. 824 p.8 pages (2016)
Links openAccess full text : 
Ref Arxiv: 1605.05324v1
DOI: 10.3847/2041-8205/824/2/L20
Ref. & Cit.: NASA ADS
93 citations
Comments: 8 pages, 4 figures. Accepted for publication in ApJ Letter. --Corresponding authors: Masaaki Hayashida (mahaya_at_icrr.u-tokyo.ac.jp), Greg Madejski (madejski_at_slac.stanford.edu), and Krzysztof Nalewajko (knalew_at_camk.edu.pl)