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Paper: Astrometric Imaging of High-Redshift Galaxies at 345GHz
Volume: 375, From Z-Machines to ALMA: (Sub)Millimeter Spectroscopy of Galaxies
Page: 263
Authors: Peck, A.B.; Iono, D.; Petitpas, G.R.; Pope, A.; Borys, C.; Dunlop, J.S.; Krips, M.; Wilner, D.J.
Abstract: Recent single-dish submillimeter wavelength surveys have revolutionized observational cosmology by uncovering a substantial new population of dust-enshrouded starburst galaxies at high redshift. A tremendous amount can be learned about the star formation history of the universe by comparing the characteristics of these early sources at a range of wavelengths, from radio to X-ray. Unfortunately, the positions of these sources are not well enough determined in the parent surveys to justify devoting large amounts of time using higher-resolution instruments without first performing high-precision astrometry. The Submillimeter Array on Mauna Kea is now the ideal instrument for this, as it can observe at the same frequency as the original survey but with substantially better angular resolution, yielding astrometric accuracies of ∼ 100mas. We present images of the distant galaxies detected to date using the Submillimeter Array at 345GHz.
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