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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
earth and planetary sciences
The 2014 alma long baseline campaign: An overview
Astrophysical Journal Letters, Volume 808, No. 1, Article L1, Year 2015
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Description
A major goal of the Atacama Large Millimeter/submillimeter Array (ALMA) is to make accurate images with resolutions of tens of milliarcseconds, which at submillimeter (submm) wavelengths requires baselines up to ∼15 km. To develop and test this capability, a Long Baseline Campaign (LBC) was carried out from 2014 September to late November, culminating in end-to-end observations, calibrations, and imaging of selected Science Verification (SV) targets. This paper presents an overview of the campaign and its main results, including an investigation of the short-term coherence properties and systematic phase errors over the long baselines at the ALMA site, a summary of the SV targets and observations, and recommendations for science observing strategies at long baselines. Deep ALMA images of the quasar 3C 138 at 97 and 241 GHz are also compared to VLA 43 GHz results, demonstrating an agreement at a level of a few percent. As a result of the extensive program of LBC testing, the highly successful SV imaging at long baselines achieved angular resolutions as fine as 19 mas at ∼350 GHz. Observing with ALMA on baselines of up to 15 km is now possible, and opens up new parameter space for submm astronomy. © 2015. The American Astronomical Society. All rights reserved.
Authors & Co-Authors
Fomalont, Edward B.
Chile, Santiago
Atacama Large Millimeter-submillimeter Array
United States, Charlottesville
National Radio Astronomy Observatory
Vlahakis, Catherine
Chile, Santiago
Atacama Large Millimeter-submillimeter Array
Chile, Santiago
European Southern Observatory Santiago
Remijan, Anthony J.
Chile, Santiago
Atacama Large Millimeter-submillimeter Array
United States, Charlottesville
National Radio Astronomy Observatory
Barkats, Denis A.
Chile, Santiago
Atacama Large Millimeter-submillimeter Array
Chile, Santiago
European Southern Observatory Santiago
Hunter, Todd R.
United States, Charlottesville
National Radio Astronomy Observatory
Brogan, Crystal L.
United States, Charlottesville
National Radio Astronomy Observatory
Asaki, Yoshiharu
Japan, Mitaka
National Institutes of Natural Sciences - National Astronomical Observatory of Japan
Japan, Chofu
Japan Aerospace Exploration Agency
Matsushita, Satoki
Taiwan, Nankang
Academia Sinica Taiwan
Hills, Richard E.
United Kingdom, Cambridge
Department of Physics
Phillips, Neil M.
Chile, Santiago
Atacama Large Millimeter-submillimeter Array
Chile, Santiago
European Southern Observatory Santiago
Richards, Anita M.S.
United Kingdom, Manchester
The University of Manchester
Cox, Pierre
Chile, Santiago
Atacama Large Millimeter-submillimeter Array
Chile, Santiago
European Southern Observatory Santiago
Broguière, Dominique
France, Saint Martin D'heres
Iram Institut de Radioastronomie Millimétrique
Cotton, William D.J.
United States, Charlottesville
National Radio Astronomy Observatory
Hales, Antonio S.
Chile, Santiago
Atacama Large Millimeter-submillimeter Array
United States, Charlottesville
National Radio Astronomy Observatory
Hiriart, Rafael
United States, Socorro
National Radio Astronomy Observatory Socorro
Hirota, Akihiko
Chile, Santiago
Atacama Large Millimeter-submillimeter Array
Japan, Mitaka
National Institutes of Natural Sciences - National Astronomical Observatory of Japan
Hodge, Jacqueline A.
United States, Charlottesville
National Radio Astronomy Observatory
Impellizzeri, Caterina M.Violette
Chile, Santiago
Atacama Large Millimeter-submillimeter Array
United States, Charlottesville
National Radio Astronomy Observatory
Kern, Jeffrey S.
United States, Socorro
National Radio Astronomy Observatory Socorro
Kneissl, Ruediger
Chile, Santiago
Atacama Large Millimeter-submillimeter Array
Chile, Santiago
European Southern Observatory Santiago
Liuzzo, Elisabetta
Italy, Bologna
Istituto Di Radioastronomia, Bologna
Marson, Ralph G.
United States, Socorro
National Radio Astronomy Observatory Socorro
Mignano, Arturo A.
Italy, Bologna
Istituto Di Radioastronomia, Bologna
Nakanishi, Kouichirou
Chile, Santiago
Atacama Large Millimeter-submillimeter Array
Japan, Mitaka
National Institutes of Natural Sciences - National Astronomical Observatory of Japan
Nikolic, Bojan
United Kingdom, Cambridge
Department of Physics
Pérez, Laura M.
United States, Socorro
National Radio Astronomy Observatory Socorro
Toledo, Ignacio
Chile, Santiago
Atacama Large Millimeter-submillimeter Array
Aladro, Rebeca
Chile, Santiago
European Southern Observatory Santiago
Butler, Bryan J.
United States, Charlottesville
National Radio Astronomy Observatory
Dhawan, Vivek
United States, Socorro
National Radio Astronomy Observatory Socorro
Di Francesco, James D.
Canada, Ottawa
National Research Council Canada
Espada, Daniel
Chile, Santiago
Atacama Large Millimeter-submillimeter Array
Japan, Mitaka
National Institutes of Natural Sciences - National Astronomical Observatory of Japan
Guzmán-Ramírez, Lizette
Chile, Santiago
European Southern Observatory Santiago
Humphreys, Elizabeth M.L.
Germany, Garching Bei Munchen
European Southern Observatory
Jung, Taehyun
South Korea, Daejeon
Korea Astronomy and Space Science Institute
Kameno, Seiji
Chile, Santiago
Atacama Large Millimeter-submillimeter Array
Japan, Mitaka
National Institutes of Natural Sciences - National Astronomical Observatory of Japan
Laing, Robert A.
Germany, Garching Bei Munchen
European Southern Observatory
Mangum, Jeffrey G.
United States, Charlottesville
National Radio Astronomy Observatory
Nagai, Hiroshi
Japan, Mitaka
National Institutes of Natural Sciences - National Astronomical Observatory of Japan
Nyman, Lars Åke
Chile, Santiago
Atacama Large Millimeter-submillimeter Array
Chile, Santiago
European Southern Observatory Santiago
Tilanus, Remo P.J.
Netherlands, Leiden
Universiteit Leiden
Watson, Linda C.
Chile, Santiago
European Southern Observatory Santiago
Wiklind, Thomas G.
Chile, Santiago
Atacama Large Millimeter-submillimeter Array
Chile, Santiago
European Southern Observatory Santiago
Tatematsu, Ken'ichi N.Ichi
Japan, Mitaka
National Institutes of Natural Sciences - National Astronomical Observatory of Japan
Dumas, Gaëlle
France, Saint Martin D'heres
Iram Institut de Radioastronomie Millimétrique
de Gregorio-Monsalvo, Itziar
Chile, Santiago
Atacama Large Millimeter-submillimeter Array
Chile, Santiago
European Southern Observatory Santiago
Hibbard, John E.
United States, Charlottesville
National Radio Astronomy Observatory
Hill, Tracey
Chile, Santiago
Atacama Large Millimeter-submillimeter Array
Chile, Santiago
European Southern Observatory Santiago
Kamiński, Tomasz
Chile, Santiago
European Southern Observatory Santiago
Karim, Alexander
Germany, Bonn
Universität Bonn
Krips, Melanie
France, Saint Martin D'heres
Iram Institut de Radioastronomie Millimétrique
Martín, Sergio
France, Saint Martin D'heres
Iram Institut de Radioastronomie Millimétrique
Maud, Luke T.
Netherlands, Leiden
Universiteit Leiden
Schieven, Gerald M.
Canada, Ottawa
National Research Council Canada
Testi, Leonardo
Germany, Garching Bei Munchen
European Southern Observatory
Villard, Eric
Chile, Santiago
Atacama Large Millimeter-submillimeter Array
Chile, Santiago
European Southern Observatory Santiago
Zwaan, Martin A.
Germany, Garching Bei Munchen
European Southern Observatory
Alves, Felipe O.
Germany, Garching Bei Munchen
Max Planck Institute for Extraterrestrial Physics
Andreani, Paola M.
Germany, Garching Bei Munchen
European Southern Observatory
Avison, Adam
United Kingdom, Manchester
The University of Manchester
Bendo, George J.
United Kingdom, Manchester
The University of Manchester
Bertoldi, Frank
Germany, Bonn
Universität Bonn
Béthermin, Matthieu M.
Germany, Garching Bei Munchen
European Southern Observatory
Biggs, Andrew D.
Germany, Garching Bei Munchen
European Southern Observatory
Brand, Jan
Italy, Bologna
Istituto Di Radioastronomia, Bologna
Burkutean, Sandra
Germany, Bonn
Universität Bonn
Casasola, Viviana
Italy, Florence
Osservatorio Astrofisico Di Arcetri
Conway, John E.
Sweden, Gothenburg
Chalmers University of Technology
Cortese, Luca
Australia, Hawthorn
Swinburne University of Technology
Dąbrowski, Bartosz P.
Poland, olsztyn wm
Uniwersytet Warminsko-mazurski w Olsztynie
Davis, Timothy A.
United Kingdom, Hatfield
University of Hertfordshire
Díaz Trigo, María
Germany, Garching Bei Munchen
European Southern Observatory
Fuller, Gary A.
United Kingdom, Manchester
The University of Manchester
Ginsburg, Adam G.
Germany, Garching Bei Munchen
European Southern Observatory
Graves, Sarah F.
United Kingdom, Cambridge
Department of Physics
Hatziminaoglou, Evanthia
Germany, Garching Bei Munchen
European Southern Observatory
Jáchym, Pavel
Czech Republic, Prague
Academy of Sciences of the Czech Republic
Karlický, Marián
Czech Republic, Prague
Academy of Sciences of the Czech Republic
Kunneriath, Devaky
Czech Republic, Prague
Academy of Sciences of the Czech Republic
Lagos, Claudia Del P.
Germany, Garching Bei Munchen
European Southern Observatory
Longmore, Steven N.
Germany, Garching Bei Munchen
European Southern Observatory
Leurini, S.
Germany, Bonn
Max Planck Institute for Radio Astronomy
Maercker, Matthias
Sweden, Gothenburg
Chalmers University of Technology
Magnelli, Benjamin
Germany, Bonn
Universität Bonn
Massardi, M.
Italy, Bologna
Istituto Di Radioastronomia, Bologna
Maury, A. J.
France, Gif-sur-yvette
Astrophysique, Instrumentation et Modélisation de Paris-saclay
Muller, Sébastien
Germany, Bonn
Max Planck Institute for Radio Astronomy
Muxlow, Thomas W.B.
United Kingdom, Manchester
The University of Manchester
O'Gorman, Eamon
Germany, Bonn
Max Planck Institute for Radio Astronomy
Paladino, Rosita
Italy, Bologna
Istituto Di Radioastronomia, Bologna
Petry, Dirk
Germany, Garching Bei Munchen
European Southern Observatory
Pineda, Jaime E.
Germany, Garching Bei Munchen
Max Planck Institute for Extraterrestrial Physics
Randall, Suzanna K.
Germany, Garching Bei Munchen
European Southern Observatory
Rushton, Anthony P.
United Kingdom, Oxford
University of Oxford
Rygl, Kazi L.J.
Italy, Bologna
Istituto Di Radioastronomia, Bologna
Schilke, Peter
Germany, Koln
Universität zu Köln
van Kampen, Eelco V.
Germany, Garching Bei Munchen
European Southern Observatory
Vlemmings, Wouter H.T.
Sweden, Gothenburg
Chalmers University of Technology
Iguchi, Satoru
Japan, Mitaka
National Institutes of Natural Sciences - National Astronomical Observatory of Japan
Hasegawa, Tetsuo
Japan, Mitaka
National Institutes of Natural Sciences - National Astronomical Observatory of Japan
Mizuno, Norikazu
Chile, Santiago
Atacama Large Millimeter-submillimeter Array
Japan, Mitaka
National Institutes of Natural Sciences - National Astronomical Observatory of Japan
Okumura, Sachiko K.
Japan, Tokyo
Japan Women's University
Ohashi, Nagayoshi
Japan, Mitaka
National Institutes of Natural Sciences - National Astronomical Observatory of Japan
Liu, Shengyuan
Taiwan, Nankang
Academia Sinica Taiwan
Kemper, F.
Taiwan, Nankang
Academia Sinica Taiwan
Koch, Patrick Michel
Taiwan, Nankang
Academia Sinica Taiwan
Chen, Mingtang
Taiwan, Nankang
Academia Sinica Taiwan
Iono, Daisuke
Japan, Mitaka
National Institutes of Natural Sciences - National Astronomical Observatory of Japan
Kim, Jongsoo
South Korea, Daejeon
Korea Astronomy and Space Science Institute
Lyo, A. Ran
South Korea, Daejeon
Korea Astronomy and Space Science Institute
Muller, Erik
Japan, Mitaka
National Institutes of Natural Sciences - National Astronomical Observatory of Japan
Herrera, Cristian
Japan, Mitaka
National Institutes of Natural Sciences - National Astronomical Observatory of Japan
Miura, Rie E.
Japan, Mitaka
National Institutes of Natural Sciences - National Astronomical Observatory of Japan
Ueda, Junko
Japan, Mitaka
National Institutes of Natural Sciences - National Astronomical Observatory of Japan
Chibueze, James O.
Japan, Mitaka
National Institutes of Natural Sciences - National Astronomical Observatory of Japan
Nigeria, Naukka
University of Nigeria
Ukita, Nobuharu
Japan, Mitaka
National Institutes of Natural Sciences - National Astronomical Observatory of Japan
Kawabe, Ryouhei
Japan, Mitaka
National Institutes of Natural Sciences - National Astronomical Observatory of Japan
Ho, Paul T.P.
Taiwan, Nankang
Academia Sinica Taiwan
Beasley, Anthony J.
United States, Charlottesville
National Radio Astronomy Observatory
Bhatnagar, Sanjay
United States, Socorro
National Radio Astronomy Observatory Socorro
Chris L. Carilli, Christopher L.
United States, Socorro
National Radio Astronomy Observatory Socorro
D'Addario, Larry R.
United States, Pasadena
California Institute of Technology
Evans, Aaron S.
United States, Charlottesville
National Radio Astronomy Observatory
United States, Charlottesville
University of Virginia
Golap, Kumar
United States, Socorro
National Radio Astronomy Observatory Socorro
Indebetouw, Rémy
United States, Charlottesville
National Radio Astronomy Observatory
United States, Charlottesville
University of Virginia
Lacy, Mark D.
United States, Charlottesville
National Radio Astronomy Observatory
Leroy, Adam K.
United States, Charlottesville
National Radio Astronomy Observatory
Lonsdale, Colin J.
United States, Charlottesville
National Radio Astronomy Observatory
Matthews, Brenda C.
Canada, Ottawa
National Research Council Canada
McKinnon, Mark M.
United States, Charlottesville
National Radio Astronomy Observatory
Mason, Brian S.
United States, Charlottesville
National Radio Astronomy Observatory
Moellenbrock, George A.
United States, Socorro
National Radio Astronomy Observatory Socorro
Myers, Steven T.
United States, Socorro
National Radio Astronomy Observatory Socorro
Ott, Jürgen
United States, Socorro
National Radio Astronomy Observatory Socorro
Peck, Alison B.
United States, Charlottesville
National Radio Astronomy Observatory
Radford, Simon J.E.
United States, Pasadena
California Institute of Technology
Rawlings, Mark G.
United States, Charlottesville
National Radio Astronomy Observatory
Scott, Kimberly S.
United States, Charlottesville
National Radio Astronomy Observatory
Sheth, Kartik
United States, Charlottesville
National Radio Astronomy Observatory
Tsutsumi, Takahiro
United States, Socorro
National Radio Astronomy Observatory Socorro
Statistics
Citations: 39
Authors: 141
Affiliations: 39
Identifiers
Doi:
10.1088/2041-8205/808/1/L1
ISSN:
20418205