230 GHz VLBI OBSERVATIONS OF M87: EVENT‐HORIZON‐SCALE STRUCTURE DURING AN ENHANCED VERY‐HIGH‐ENERGY γ‐RAY STATE IN 2012

230 GHz VLBI OBSERVATIONS OF M87: EVENT‐HORIZON‐SCALE STRUCTURE DURING AN ENHANCED VERY‐HIGH‐ENERGY γ‐RAY STATE IN 2012

We report on 230 GHz (1.3 mm) very long baseline interferometry (VLBI) observations of M87 with the Event Horizon Telescope using antennas on Mauna Kea in Hawaii, Mt. Graham in Arizona, and Cedar Flat in California. For the first time, we have acquired 230 GHz VLBI interferometric phase information...

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Bibliographic Details
Main Authors: Lu, Rusen (Contributor), Fish, Vincent L. (Contributor), Doeleman, Sheperd Samuel (Contributor), Cappallo, Roger J. (Contributor), Crew, Geoffrey B. (Contributor), Rogers, Alan E. E. (Contributor), SooHoo, Jason G. (Contributor), Titus, Michael A. (Contributor)
Other Authors: Haystack Observatory (Contributor)
Format: Article
Language:English
Published: IOP Publishing, 2015-09-01T19:40:35Z.
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