Science case and requirements for the MOSAIC concept for a multi-object spectrograph for the European Extremely Large Telescope

C. J. Evans, M. Puech, B. Barbuy, P. Bonifacio, J. G. Cuby, E. Guenther, F. Hammer, P. Jagourel, L. Kaper, S. L. Morris, J. Afonso, P. Amram, H. Aussel, A. Basden, N. Bastian, G. Battaglia, B. Biller, N. Bouché, E. Caffau, S. CharlotY. Clénet, F. Combes, C. Conselice, T. Contini, Gavin B. Dalton, Ben E. N. Davies, K. Disseau, J. Dunlop, F. Fiore, H. Flores, T. Fusco, D. Gadotti, A. Gallazzi, E. Giallongo, T. Gonçalves, D. Gratadour, V. Hill, M. Huertas-Company, R. Ibata, S. Larsen, O. Le Fèvre, B. Lemasle, C. Maraston, S. Mei, Y. Mellier, G. Östlin, T. Paumard, R. Pello, L. Pentericci, P. Petitjean, M. Roth, D. Rouan, D. Schaerer, E. Telles, S. Trager, N. Welikala, S. Zibetti, B. Ziegler

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Over the past 18 months we have revisited the science requirements for a multi-object spectrograph (MOS) for the European Extremely Large Telescope (E-ELT). These efforts span the full range of E-ELT science and include input from a broad cross-section of astronomers across the ESO partner countries. In this contribution we summarise the key cases relating to studies of high-redshift galaxies, galaxy evolution, and stellar populations, with a more expansive presentation of a new case relating to detection of exoplanets in stellar clusters. A general requirement is the need for two observational modes to best exploit the large (≥40 arcmin2) patrol field of the E-ELT. The first mode ('high multiplex') requires integrated-light (or coarsely resolved) optical/near-IR spectroscopy of >100 objects simultaneously. The second ('high definition'), enabled by wide-field adaptive optics, requires spatially-resolved, near-IR of >10 objects/sub-fields. Within the context of the conceptual study for an ELT-MOS called MOSAIC, we summarise the toplevel requirements from each case and introduce the next steps in the design process.

Original languageEnglish
Title of host publicationGround-Based and Airborne Instrumentation for Astronomy V
PublisherSociety of Photographic Instrumentation Engineers
Volume9147
ISBN (Electronic)978-0819496157
DOIs
Publication statusPublished - 2014
EventGround-Based and Airborne Instrumentation for Astronomy V - Montreal, Canada
Duration: 22 Jun 201426 Jun 2014

Conference

ConferenceGround-Based and Airborne Instrumentation for Astronomy V
Country/TerritoryCanada
CityMontreal
Period22/06/1426/06/14

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