DUVET: sub-kiloparsec resolved star formation driven outflows in a sample of local starbursting disc galaxies.

We measure resolved (kiloparsec-scale) outflow properties in a sample of 10 starburst galaxies from the Deep near-UV observations of Entrained gas in Turbulent (DUVET) galaxies sample, using Keck/KCWI observations of H  |$\beta$| and [O  iii ] |$\lambda$| 5007. We measure |$\sim 460$| lines of sight that contain outflows, and use these to study scaling relationships of outflow velocity (⁠|$v_{\rm out}$|⁠), mass-loading factor (⁠|$\eta$|⁠ ; mass outflow rate per star formation rate) and mass flux (⁠|$\dot{\Sigma }_{\rm out}$|⁠ ; mass outflow rate per area) with co-located star formation rate surface density (⁠|$\Sigma _{\rm SFR}$|⁠) and stellar mass surface density (⁠|$\Sigma _{\ast }$|⁠). We find strong, positive correlations of |$\dot{\Sigma }_{\rm out} \propto \Sigma _{\rm SFR}^{1.2}$| and |$\dot{\Sigma }_{\rm out} \propto \Sigma _{\ast }^{1.5}$|⁠. We also find shallow correlations between |$v_{\rm out}$| and both |$\Sigma _{\rm SFR}$| and |$\Sigma _{\ast }$|⁠. Our resolved observations do not suggest a threshold in outflows with |$\Sigma _{\rm SFR}$|⁠ , but rather we find that the local specific star formation rate (⁠|$\Sigma _{\rm SFR}/\Sigma _\ast$|⁠) is a better predictor of where outflows are detected. We find that outflows are very common above |$\Sigma _{\rm SFR}/\Sigma _\ast \gtrsim 0.1$|  Gyr |$^{-1}$| and rare below this value. We argue that our results are consistent with a picture in which outflows are driven by supernovae, and require more significant injected energy in higher mass surface density environments to overcome local gravity. The correlations we present here provide a statistically robust, direct comparison for simulations and higher redshift results from JWST. [ABSTRACT FROM AUTHOR]