The ALPINE-ALMA [CII] survey: Obscured star formation rate density and main sequence of star-forming galaxies at z > 4

Y. Khusanova*, M. Bethermin, O. Le Fevre, P. Capak, A. L. Faisst, D. Schaerer, J. D. Silverman, P. Cassata, L. Yan, M. Ginolfi, Y. Fudamoto, F. Loiacono, R. Amorin, S. Bardelli, M. Boquien, A. Cimatti, M. Dessauges-Zavadsky, C. Gruppioni, N. P. Hathi, G. C. JonesA. M. Koekemoer, G. Lagache, R. Maiolino, B. C. Lemaux, P. Oesch, F. Pozzi, D. A. Riechers, M. Romano, M. Talia, S. Toft, D. Vergani, G. Zamorani, E. Zucca

*Corresponding author af dette arbejde

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Abstract

Star formation rate (SFR) measurements at z>4 have relied mostly on the rest-frame far-ultraviolet (FUV) observations. The corrections for dust attenuation based on the IRX-beta relation are highly uncertain and are still debated in the literature. Hence, rest-frame far-infrared (FIR) observations are necessary to constrain the dust-obscured component of the SFR. In this paper, we exploit the rest-frame FIR continuum observations collected by the ALMA Large Program to INvestigate [CII] at Early times (ALPINE) to directly constrain the obscured SFR in galaxies at 4.4

OriginalsprogEngelsk
ArtikelnummerA152
TidsskriftAstronomy & Astrophysics
Vol/bind649
Antal sider18
ISSN0004-6361
DOI
StatusUdgivet - 1 jun. 2021

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