Milky Way-Like Gas Excitation in an Ultrabright Submillimeter Galaxy at $z=1.6$

Nikolaus Sulzenauer, Helmut Dannerbauer, Anastasio Díaz-Sánchez +3

Based on observations with the IRAM 30-m and Yebes 40-m telescopes, we report evidence of the detection of Milky Way-like, low-excitation molecular gas, up to the transition CO($J=…