doi.eso.org

• Béthermin, Matthieu [Aix Marseille Université, CNRS, CNES, LAM, Marseille, France]
• Dessauges-Zavadsky, Miroslava [Département d’Astronomie, Université de Genève, Versoix, Switzerland]
• Faisst, Andreas L. [IPAC, M/C 314-6, California Institute of Technology, Pasadena, USA]
• Ginolfi, Michele [Département d’Astronomie, Université de Genève, Versoix, Switzerland]
• Gruppioni, Carlotta [INAF – Osservatorio di Astrofisica e Scienza dello Spazio di Bologna, Italy]
• Jones, Gareth C. [Kavli Institute for Cosmology, University of Cambridge, UK; Cavendish Laboratory, University of Cambridge, UK]
• Khusanova, Yana [Max-Planck-Institut für Astronomie, Heidelberg, Germany; Aix Marseille Université, CNRS, CNES, LAM, Marseille, France]
• Lemaux, Brian [Department of Physics, University of California Davis, USA]
• Capak, Peter L. [IPAC, M/C 314-6, California Institute of Technology, Pasadena, USA; The Cosmic Dawn Center (DAWN), University of Copenhagen, Denmark; Niels Bohr Institute, University of Copenhagen, Denmark]
• Cassata, Paolo [INAF – Osservatorio Astronomico di Padova, Italy; Dipartimento di Fisica e Astronomia, Università di Padova, Italy]
• Le Fèvre, Olivier [Aix Marseille Université, CNRS, CNES, LAM, Marseille, France]
• Schaerer, Daniel [Département d’Astronomie, Université de Genève, Versoix, Switzerland]
• Silverman, John D. [Kavli Institute for the Physics and Mathematics of the Universe (Kavli IPMU, WPI), The University of Tokyo, Kashiwa, Japan; Department of Astronomy, School of Science, The University of Tokyo, Japan]
• Yan, Lin [The Caltech Optical Observatories, California Institute of Technology, Pasadena, USA]
• The Alpine collaboration

Cold gas and cosmic dust are the fuel of star formation. ALPINE is an ALMA Large Programme which has built the first statistically representative sample of star-forming galaxies in the adolescent Universe by targeting emission from singly ionised carbon [CII] at 158 µm, which traces both emission from star-forming regions and molecular hydrogen gas clouds, and the thermal continuum from dust at the end of the epoch of reionisation (4.4 < z < 5.9). Observations by the ALPINE team have revealed that a significant fraction of the star formation at this epoch is already hidden by dust clouds. ALPINE observations have also shown how unruly these young galaxies were by finding a large fraction of mergers and ubiquitous gas outflows.