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Fig. 5.
Mass model for R1-1 or GRG-J2345−0449 (left), with the contributions to the rotational velocity of the stellar mass (red), the dark matter (green), and the gas (blue). The right panel shows the adopted gas surface density. The two vertical lines indicate the FWHM beam of the CO(1-0) (red) and CO(2-1) (green).
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