ngVLA Key Science Goal 3: Charting the Assembly, Structure, and Evolution of 
Galaxies Over Cosmic Time

Dale, Daniel; Riechers, Dominik A.; Bolatto, Alberto; Carilli, Chris; Casey, Caitlin M.; Decarli, Roberto; Murphy, Eric J.; Narayanan, Desika; Walter, Fabian

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ngVLA Key Science Goal 3: Charting the Assembly, Structure, and Evolution of Galaxies Over Cosmic Time

MPS-Authors

Dale, Daniel
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Riechers, Dominik A.
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Bolatto, Alberto
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Carilli, Chris
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Casey, Caitlin M.
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Decarli, Roberto
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Murphy, Eric J.
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Narayanan, Desika
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Walter, Fabian
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

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https://ui.adsabs.harvard.edu/abs/2019AAS...23336121D
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Citation

Dale, D., Riechers, D. A., Bolatto, A., Carilli, C., Casey, C. M., Decarli, R., et al. (2019). ngVLA Key Science Goal 3: Charting the Assembly, Structure, and Evolution of Galaxies Over Cosmic Time. In American Astronomical Society Meeting Abstracts #233.

Cite as: https://hdl.handle.net/21.11116/0000-0005-D168-A

Abstract

The Next Generation Very Large Array (ngVLA) will fundamentally advance our understanding of the formation processes that lead to the assembly of galaxies throughout cosmic history. The combination of large bandwidth with unprecedented sensitivity to the critical low-level CO lines over virtually the entire redshift range will open up the opportunity to conduct large-scale, deep cold molecular gas surveys, mapping the fuel for star formation in galaxies over substantial cosmic volumes. Imaging of the sub-kiloparsec scale distribution and kinematic structure of molecular gas in both normal main-sequence and starburst galaxies back to early cosmic epochs will reveal the physical processes responsible for star formation and black hole growth in galaxies. In the nearby universe, the ngVLA has the capability to survey the structure of the cold, star-forming interstellar medium at parsec-resolution out to the Virgo cluster. A range of molecular tracers will be accessible to map the kinematical, physical, and chemical state of the gas as it flows in from the outer disk, assembles into clouds, and experiences feedback due to star formation or accretion into central super-massive black holes. These investigations will crucially complement studies of the star formation and stellar mass histories with the Large UV/Optical/Infrared Surveyor and the Origins Space Telescope, providing the means to obtain a comprehensive picture of galaxy evolution through cosmic times.