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  3. The birth and youth of galaxies: Tracing the transformation of galaxies through their early times – Jorge González López

The birth and youth of galaxies: Tracing the transformation of galaxies through their early times – Jorge González López

We know most about early galaxies from observing massive young stars. They are one of the primary energy sources in the Universe, and it’s not surprising that stars are one of the main observables used to understand galaxy assembly. On the other hand, gas is harder to observe but dominates the baryonic matter and regulates the birth of stars and the life of galaxies. It is, therefore, fundamental to complement galaxy evolution studies with other baryonic components such as the gas. 

In this colloquium, I will present some of the latest observational results that reveal the structure and distribution of the multiple gas phases in and around galaxies. I will show how combining nature’s gravitational lenses with the most advanced telescopes can reveal the gas content of low-mass galaxies at cosmic noon, resolve their molecular gas distribution at sub-kpc scales, and link it to different physical processes. 

Finally, I will present our ongoing effort to explain the nature of the recently discovered high-z [CII] halos with sensitive high-resolution imaging with ALMA. I will discuss why these halos are interesting to understand if outflows, inflows, or mergers of galaxies produce them. I will show how the synergy between ALMA and JWST is crucial for understanding the stellar and gas distribution in the early Universe. 

Horarios: September 12, 2023 15:30

Publicado por: Claudia Aguilera

Información

September 12, 2023

schedule 3:30 pm - 4:30 pm
place Lugar

Campus San Joaquín (Sala Seminario, IA) y Zoom

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