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Science with an ngVLA. Cold gas in High-z Galaxies: The molecular gas budget

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arxiv 1810.07546 v1 pith:EEECT6XK submitted 2018-10-16 astro-ph.GA astro-ph.COastro-ph.IM

classification astro-ph.GAastro-ph.COastro-ph.IM
keywords galaxiescosmicdownevolutionmolecularngvlascienceaccurately
verification ladder T0 review T1 audit T2 compute T3 formal
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abstract

The goal of this science case is to accurately pin down the molecular gas content of high redshift galaxies. By targeting the CO ground transition, we circumvent uncertainties related to CO excitation. The ngVLA can observe the CO(1-0) line at virtually any $z>1.5$, thus exposing the evolution of gaseous reservoirs from the earliest epochs down to the peak of the cosmic history of star formation. The order-of-magnitude improvement in the number of CO detections with respect to state-of-the-art observational campaigns will provide a unique insight on the evolution of galaxies through cosmic time.

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Cited by 1 Pith paper

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. A Census of the 200 Most Massive Galaxies Spectroscopically Observed with JWST at zspec $\sim$3-15

    astro-ph.GA 2026-06 unverdicted novelty 5.0 of 10

    JWST prism spectroscopy of 200 massive galaxies at z~3-15 shows normal star-forming galaxies dominate at z>6 while dusty systems and quiescent galaxies increase at lower redshift, with evidence for multiple quenching ...

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