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Optical, Radio Continuum and HI Deep Spectroscopic Survey (ORCHIDSS)

K. Duncan, A. Baker, P. Best, S. Blyth, N. Hatch, B. Holwerda, M. Jarvis, N. Maddox, D. J. B. Smith, M. Arnaudova, L. Chemin, R. Davé, J. Dunlop, B. Frank, E. Gawiser, A. Gloudemans, C. Hale, I. Heywood, S. Kannappan, R. KondapallyR. McLure, L. Morabito, N. Nesvadba, H. Pan, A. Ponomareva, M. Prescott, H. Roberts, H. Röttgering, R. Somerville, M. Tudorache, M. Vaccari, I. Whittam, J. Wu, M. Zwaan

Research output: Contribution to journalArticle (Academic Journal)peer-review

Abstract

Galaxy evolution is regulated by the continuous cycle of gas accretion, consumption and feedback. Crucial in this cycle is the availability of neutral atomic (HI) and molecular hydrogen. Our current inventory of HI, however, is very limited beyond the local Universe (z > 0.25), resulting in an incomplete picture. ORCHIDSS is designed to address this critical challenge, using the powerful combination of 4MOST spectroscopy and sensitive radio observations from the MeerKAT deep extragalactic surveys to trace the evolution of neutral gas and its lifecycle within galaxies across the bulk of cosmic history....
Original languageEnglish
Pages (from-to)25-27
JournalThe Messenger
Volume190
DOIs
Publication statusPublished - 1 Mar 2023

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