A non-corotating gas component in an extreme starburst at z=4.3

14 Jan 2020 Tadaki Ken-ichi Iono Daisuke Yun Min S. Aretxaga Itziar Hatsukade Bunyo Lee Minju M. Michiyama Tomonari Nakanishi Kouichiro Saito Toshiki Ueda Junko Umehata Hideki

We report the detection of a non-corotating gas component in a bright unlensed submillimeter galaxy at z=4.3, COSMOS-AzTEC-1, hosting a compact starburst. ALMA 0.17 and 0.09 arcsec resolution observations of [CII] emission clearly demonstrate that the gas kinematics is characterized by an ordered rotation... (read more)

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