VLBI at APEX: First fringes
Publication
, Conference
Roy, AL; Wagner, J; Wunderlich, M; Bertarini, A; Krichbaum, TP; Alef, W; Wieching, G; Duran, C; Olivares, R; Caro, P; Arriagada, O; Haas, R ...
Published in: Proceedings of Science
January 1, 2012
We have equipped the APEX telescope for 1 mm VLBI and obtained first fringes on 3C 279 at 229 GHz in May 2012 with SMA (Hawaii) and SMTO (Arizona). The fringe spacing achieved was 29 microarcseconds, adequate to directly observe strong-field general-relativistic effects around the black hole in the Galactic center by resolving the expected diameter of the shadow of the event horizon in Sgr A* of ∼ 40 microarseconds. I present on behalf of the collaboration the unusual aspects of this high-altitude VLBI installation, and the prospects for upcoming observations with a global array at the highest resolution.
Duke Scholars
Published In
Proceedings of Science
EISSN
1824-8039
Publication Date
January 1, 2012
Volume
2012-October
Citation
APA
Chicago
ICMJE
MLA
NLM
Roy, A. L., Wagner, J., Wunderlich, M., Bertarini, A., Krichbaum, T. P., Alef, W., … Tuccari, G. (2012). VLBI at APEX: First fringes. In Proceedings of Science (Vol. 2012-October).
Roy, A. L., J. Wagner, M. Wunderlich, A. Bertarini, T. P. Krichbaum, W. Alef, G. Wieching, et al. “VLBI at APEX: First fringes.” In Proceedings of Science, Vol. 2012-October, 2012.
Roy AL, Wagner J, Wunderlich M, Bertarini A, Krichbaum TP, Alef W, et al. VLBI at APEX: First fringes. In: Proceedings of Science. 2012.
Roy, A. L., et al. “VLBI at APEX: First fringes.” Proceedings of Science, vol. 2012-October, 2012.
Roy AL, Wagner J, Wunderlich M, Bertarini A, Krichbaum TP, Alef W, Wieching G, Duran C, Olivares R, Caro P, Arriagada O, Montenegro-Montes FM, Araneda JP, Lindqvist M, Haas R, Johansson J, Olofsson H, Pantaleev M, Freund R, Marrone D, Strittmatter P, Ziurys L, Blundell R, Primiani R, Weintroub J, Young K, Crew G, Doeleman S, Fish V, Lu RS, SooHoo J, Titus M, Tuccari G. VLBI at APEX: First fringes. Proceedings of Science. 2012.
Published In
Proceedings of Science
EISSN
1824-8039
Publication Date
January 1, 2012
Volume
2012-October