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Jun 23 – 27, 2025
Eckhardt Research Center
America/Chicago timezone

COMAP: a large-scale census of molecular gas at cosmic noon

Jun 26, 2025, 4:50 PM
20m
161 (Eckhardt Research Center)

161

Eckhardt Research Center

5640 South Ellis Ave, Chicago, IL 60637
Plenary Session Mixed Plenary

Speaker

Delaney Dunne (California Institute of Technology)

Description

Line Intensity Mapping, LIM, is an emerging observational technique that measures the integrated emission from galaxies as fluctuations in a 3D cosmic volume. By doing so, it aims to fill a key gap in studies of cosmology and galaxy formation – LIM data cubes are sensitive to the emission from all galaxies in a population, even the very faintest. LIM experiments can thus study the evolution of galaxy tracers (for example, molecular gas) throughout cosmic time without being limited to the brightest objects and in a way that scales efficiently to very large cosmic volumes. In this talk, I will discuss COMAP (the CO Mapping Array Project), a LIM experiment targeting dense molecular gas in galaxies via their CO$(1-0)$ emission at redshifts spanning from the peak of cosmic star formation to the Epoch of Reionization. I will discuss COMAP’s field-leading constraints on the CO power spectrum at $z\sim 3$, and the range of analysis techniques currently being used to further constrain high-redshift CO.

Would you be interested in presenting a poster if the conference is oversubcribed? Yes

Primary authors

Delaney Dunne (California Institute of Technology) the COMAP Collaboration

Presentation materials

There are no materials yet.