2015 | 230 GHz VLBI Observations of M87: Event-horizon-scale Structure during an Enhanced Very-high-energy γ-Ray State in 2012 | Kazunori Akiyama; Ru-Sen Lu; Vincent L. Fish; Sheperd S. Doeleman; Avery E. Broderick; Jason Dexter; Kazuhiro Hada; Motoki Kino; Hiroshi Nagai; Mareki Honma; Michael D. Johnson; Juan C. Algaba; Keiichi Asada; Christiaan Brinkerink; Ray Blundell,Geoffrey C. Bower; Roger Cappallo; Geoffrey B. Crew; Matt Dexter; Sergio A. Dzib; Robert Freund; Per Friberg; Mark Gurwell; Paul T.P. Ho; Makoto Inoue; Thomas P. Krichbaum; Laurent Loinard; David MacMahon; Daniel P. Marrone; James M. Moran; Masanori Nakamura; Neil M. Nagar; Gisela Ortiz-Leon; Richard Plambeck; Nicolas Pradel; Rurik A. Primiani; Alan E. E. Rogers; Alan L. Roy,Jason SooHoo; Jonathan-León Tavares; Remo P. J. Tilanus; Michael Titus; Jan Wagner; Jonathan Weintroub; Paul Yamaguchi; Ken H. Young; Anton Zensus; Lucy M. Ziurys | ASTROPHYSICAL JOURNAL 807, 150 | | | |