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Showing 2017 · astro-ph.IMShow all
3 papers · 2 filters
astro-ph.IM2017★ 66 cited
The ALMA Phasing System: A Beamforming Capability for Ultra-High-Resolution Science at (Sub)Millimeter Wavelengths
L. D. Matthews, G. B. Crew, S. S. Doeleman +38
The Atacama Millimeter/submillimeter Array (ALMA) Phasing Project (APP) has developed and deployed the hardware and software necessary to coherently sum the signals of individual A…
astro-ph.IM2017★ 22 cited
Phase correction for ALMA - Investigating water vapour radiometer scaling:The long-baseline science verification data case study
L. T. Maud, R. P. J. Tilanus, T. A. van Kempen +9
The Atacama Large millimetre/submillimetre Array (ALMA) makes use of water vapour radiometers (WVR), which monitor the atmospheric water vapour line at 183 GHz along the line of si…
astro-ph.IM2017★ 44 cited
ALMA Long Baseline Campaigns: Phase Characteristics of Atmosphere at Long Baselines in the Millimeter and Submillimeter Wavelengths
Satoki Matsushita, Yoshiharu Asaki, Edward B. Fomalont +9
This paper presents the first detailed investigation of the characteristics of mm/submm phase fluctuation and phase correction methods obtained using ALMA with baseline lengths up…