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SUMMARY:The role of molecular gas in galaxy evolution
DTSTART:20260429T113000Z
DTEND:20260429T123000Z
DTSTAMP:20260428T225000Z
UID:indico-event-9513@indico.fysik.su.se
DESCRIPTION:Speakers: Victoria Bollo (Stockholm University)\n\nCold molecu
 lar gas is the primary fuel for star formation and a key regulator of gala
 xy evolution across cosmic time. In this talk\, I will discuss how ALMA ob
 servations can be used to trace molecular gas in galaxies from global to l
 ocal scales\, drawing on work from my PhD dissertation.First\, I will intr
 oduce the ALMA Calibrator Survey (ALMACAL)\, an untargeted survey of over 
 one thousand calibrator fields covering more than 1000 square arcminutes. 
 By probing large cosmic volumes and mitigating cosmic variance\, ALMACAL p
 rovides new constraints on the molecular gas content of galaxies and its e
 volution out to z~6.I will then move to local scales and present early res
 ults from an ongoing ALMA Large Program from the MUSE-ALMA Haloes survey\,
  which targets galaxies selected through HI absorption at z~0.5. By combin
 ing CO observations with optical spectroscopy from VLT/MUSE and HST\, this
  program explores how molecular gas\, star formation efficiency\, and chem
 ical enrichment vary in galaxies identified through HI absorption in their
  circumgalactic medium.Finally\, I will briefly introduce ongoing work on 
 Lyα radiative transfer during the Epoch of Reionization (EoR\, z>6). Usin
 g machine‑learning techniques\, I am developing a model to predict the i
 ntrinsic Lyα line profiles from UV–optical galaxy properties in high-z 
 local analogs\, which can then be applied at high redshift to constrain IG
 M attenuation.\n\nhttps://indico.fysik.su.se/event/9513/
LOCATION:FC61 (AlbaNova Main Building)
URL:https://indico.fysik.su.se/event/9513/
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