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OVERVIEW

z-GAL is a NOEMA Large Program that aims for a comprehensive redshift survey of a sample of 127 of the brightest SMGs from the Herschel deep fields (H-ATLAS and HerMES).

Together with the results of previous projects, z-GAL will provide a sizeable and homogeneous sample of about 190 SMGs with reliable redshifts to achieve the following goals:

• increase the number of lensed SMGs with known redshifts at the peak of the cosmic star-formation rate density,
• find a substantial number of high-redshift hyper-luminous SMGs and study their statistical properties,
• trace other rare objects,
• enable follow-up observations of lensed sources, and derive the properties of the massive deflector dark matter haloes at z~0.5-1 and the large-scale structures they trace,
• measure cosmological parameters and distinguish between mass functions of dark-matter haloes, and
• further explore the physical properties of these dusty luminous star-forming galaxies in the early universe.