Star formation rate as a function of stellar mass measured between the coalescence and 800 Myr for the merger simulations, and between 200 and 800 Myr for the isolated simulations. Black symbols show MASSIV data for which the SFR is estimated from the Hα integrated luminosity, and the stellar masses measured within the optical radius ropt = 3.2 × rstars. Each colored symbol shows a snapshot of the MIRAGE mergers and isolated disks simulations, respectively plotted with “+” and “Δ”. The color encodes the gas mass of the disks and remnants measured within the gas optical radius.
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