The ALMA Spectroscopic Survey Large Program: The Infrared Excess of z = 1.5–10 UV-selected Galaxies and the Implied High-redshift Star Formation History

@article{Bouwens2020TheAS,
title={The ALMA Spectroscopic Survey Large Program: The Infrared Excess of z = 1.5–10 UV-selected Galaxies and the Implied High-redshift Star Formation History},
author={R. Bouwens and J. G{\'o}nzalez-L{\'o}pez and M. Aravena and R. Decarli and M. Novak and M. Stefanon and F. Walter and L. Boogaard and C. Carilli and U. Dudzevi{\vc}iūtė and I. Smail and E. Daddi and E. D. Cunha and R. Ivison and T. Nanayakkara and P. Cortes and P. Cox and H. Inami and P. Oesch and G. Popping and D. Riechers and P. D. Werf and A. Weiss and Y. Fudamoto and J. Wagg},
journal={arXiv: Astrophysics of Galaxies},
year={2020}
}
We make use of sensitive (9.3 microJy/beam RMS) 1.2mm-continuum observations from the ASPECS ALMA large program of the Hubble Ultra Deep Field (HUDF) to probe dust-enshrouded star formation from 1362 Lyman-break galaxies spanning the redshift range z=1.5-10 (to ~7-28 Msolar/yr at 4 sigma over the entire range). We find that the fraction of ALMA-detected galaxies in our z=1.5-10 samples increases steeply with stellar mass, with the detection fraction rising from 0% at 10^9 Msolar to 85(-18)(+9… Expand
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