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Published April 26, 2021 | Version v1
Poster Open

Characterization of ionized gas outflows in low redshift star-forming galaxies

  • 1. Centro de Astronomía (CITEVA), Universidad de Antofagasta
  • 2. Instituto de Física y Astronomía, Universidad de Valparaíso
  • 3. Centro de Astronomía (CITEVA), Universidad de Antofagasta), Ibar, Eduardo (Instituto de Física y Astronomía, Universidad de Valparaíso

Description

It is thought that supernova-driven outflows are important in the regulation of mass growth in star forming galaxies, suppressing the conversion of gas into stars. This presentation will show preliminary results of our study of the VALES (Valparaiso ALMA Line Emission Survey) sample, composed of 15 star-forming galaxies, using VLT/MUSE integral field spectroscopy data. I will present ionized gas excitation and kinematics information obtained with our data and how they relate with outflow parameters, illustrating the impact they have in the galaxies. I will also present results obtained with SED fitting using CIGALE code to multiwavelength broad and narrow band fluxes obtained from the GAMA survey. Our main goal is to characterize the weak outflows we observe in this sample, and retrieve crucial evolutionary parameters such as the eta, which relates the mass outflow rate with the star formation rate, in order to compare and fine-tune theoretical models.

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Galspec2021_GuilhermeCouto.pdf

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