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ALPINE: The ALMA [CII] survey of normal star-forming galaxies at 4 < z < 6

Published online by Cambridge University Press:  04 June 2020

Olivier Le Fèvre
Affiliation:
Aix Marseille Université, CNRS, LAM (Laboratoire d’Astrophysique de Marseille) UMR 7326, 13388, Marseille, France emails: olivier.lefevre@lam.fr, matthieu.bethermin@lam.fr
Matthieu Bethermin
Affiliation:
Aix Marseille Université, CNRS, LAM (Laboratoire d’Astrophysique de Marseille) UMR 7326, 13388, Marseille, France emails: olivier.lefevre@lam.fr, matthieu.bethermin@lam.fr
Andreas Faisst
Affiliation:
IPAC, California Institute of Technology, 1200 East California Boulevard, Pasadena, CA91125, USA emails: afaisst@ipac.caltech.edu, capak@ipac.caltech.edu, lyan@ipac.caltech.edu
P. Capak
Affiliation:
IPAC, California Institute of Technology, 1200 East California Boulevard, Pasadena, CA91125, USA emails: afaisst@ipac.caltech.edu, capak@ipac.caltech.edu, lyan@ipac.caltech.edu
P. Cassata
Affiliation:
INAF Osservatorio di Padova and Dipartimento di Fisica e Astronomia, Università di Padova, Vicolo dell’Osservatorio, 3 35122 Padova, Italy email: paolo.cassata@unipd.it
J. D. Silverman
Affiliation:
Kavli Institute for the Physics and Mathematics of the Universe, The University of Tokyo, Kashiwa, Japan 277-8583 (Kavli IPMU, WPI) email: john.silverman@ipmu.jp
D. Schaerer
Affiliation:
CNRS and Geneva Observatory, University of Geneva, ch. des Maillettes 51, CH-1290 Versoix, Switzerland email: Daniel.Schaerer@unige.ch
L. Yan
Affiliation:
IPAC, California Institute of Technology, 1200 East California Boulevard, Pasadena, CA91125, USA emails: afaisst@ipac.caltech.edu, capak@ipac.caltech.edu, lyan@ipac.caltech.edu
the ALPINE team
Affiliation:
ALPINE team: R. Amorin, S. Bardelli, Boquien, A. Cimatti, M. Dessauges-Zavadsky, Seiji Fujimoto, Ginolfi, M., Hemmati, S., Ibar, G. Jones, A. Koekemoer, G. Lagache, B. Lemaux, R. Maiolino, P. Oesch, Pozzi, Riechers, M. Talia, L. A. M. Tasca, R. Thomas, L. Vallini, D. Vergani, F. Walter, G. Zamorani, and E. Zucca
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Abstract

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The ALMA-ALPINE [CII] survey (A2C2S) aims at characterizing the properties of normal star-forming galaxies (SFGs) observed in the [CII]-158μm line in the period of rapid mass assembly at redshifts 4 < z < 6. Here we present the survey and the selection of 118 galaxies observed with ALMA, selected from large samples of galaxies with spectroscopic redshifts derived from UV-rest frame. The observed properties derived from the ALMA data are presented and discussed in terms of the overall detection rate in [CII] and far-IR continuum. The sample is representative of the SFG population at these redshifts. The overall detection rate is 61% down to a flux limit of 0.07 mJy. From a visual inspection of the [CII] data cubes together with the large wealth of ancillary data we find a surprisingly wide range of galaxy types, including 32.4% mergers, 25.7% extended and dispersion dominated, 13.5% rotating discs, and 16.2% compact, the remaining being too faint to be classified. ALPINE sets a reference sample for the gas distribution in normal star-forming galaxies at a key epoch in galaxy assembly, ideally suited for studies with future facilities like JWST and ELTs.

Type
Contributed Papers
Copyright
© International Astronomical Union 2020

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