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SUMMARY:LADUMA Initial Results: What We Have Found So Far
DTSTART:20250626T121500Z
DTEND:20250626T134500Z
DTSTAMP:20260410T200900Z
UID:indico-event-253@indico.physik.uni-bielefeld.de
DESCRIPTION:Speakers: Abhisek Mohapatra (University of Cape Town)\n\nUnder
 standing how galaxies form and evolve over time remains one of the central
  challenges in astrophysics. A crucial missing link in this picture is how
  the neutral hydrogen (HI) content of galaxies has changed across cosmic t
 ime\, as HI serves as the primary fuel for star formation and plays a key 
 role in the baryon cycle. With the advent of new radio facilities like the
  SKA pathfinders\, we can now study HI in galaxies beyond the local Univer
 se. The LADUMA (Looking at the Distant Universe with the MeerKAT Array) s
 urvey is designed to study the evolution of neutral hydrogen (HI) in galax
 ies over cosmic time. Using deep observations from MeerKAT\, LADUMA target
 s a single field with 300 hours in L-band (z < 0.6) and up to 3000 hours i
 n UHF-band (0.4 < z < 1.4). From the first 127 hours of L-band data\, we h
 ave directly detected HI in around 230 galaxies out to z ~ 0.5. These dete
 ctions enable us to trace how HI is distributed in galaxies and how its ab
 undance changes over time. By combining these data with existing multi-wav
 elength surveys\, we are exploring how galaxies acquire and deplete their 
 gas reservoirs. Our initial results provide new insights into the role of 
 HI in galaxy evolution\, highlighting LADUMA’s potential as a transforma
 tive survey for understanding the distant Universe.\n\nhttps://indico.phys
 ik.uni-bielefeld.de/event/253/
LOCATION:D6-135 (UHG)
URL:https://indico.physik.uni-bielefeld.de/event/253/
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