Deep CO(1–0) Observations of z = 1.62 Cluster Galaxies with Substantial Molecular Gas Reservoirs and Normal Star Formation Efficiencies

HST program [HST-GO-12590.011-A, AR-14310.001]; NSF AST [1211358, 1517815]; Alexander von Humboldt foundation; VIDI research program [639.042.611]; Netherlands Organisation for Scientific Research (NWO); George P. and Cynthia Woods Mitchell Institute for Fundamental Physics and Astronomy