C. J. Evans, B. Barbuy, P. Bonifacio, F. Chemla, J. -G. Cuby, G. B. Dalton, B. Davies, K. Disseau, K. Dohlen, H. Flores, E. Gendron, I. Guinouard, F. Hammer, P. Hastings, D. Horville, P. Jagourel, L. Kaper, P. Laporte, D. Lee, S. L. Morris, T. Morris, R. Myers, R. Navarro, P. Parr-Burman, P. Petitjean, M. Puech, E. Rollinde, G. Rousset, H. Schnetler, N. Welikala, M. Wells, Y. Yang
The EAGLE and EVE Phase A studies for instruments for the European Extremely Large Telescope (E-ELT) originated from related top-level scientific questions, but employed different (yet complementary) methods to deliver the required observations. We re-examine the motivations for a multi-object spectrograph (MOS) on the E-ELT and present a unified set of requirements for a versatile instrument. Such a MOS would exploit the excellent spatial resolution in the near-infrared envisaged for EAGLE, combined with aspects of the spectral coverage and large multiplex of EVE. We briefly discuss the top-level systems which could satisfy these requirements in a single instrument at one of the Nasmyth foci of the E-ELT.
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http://arxiv.org/abs/1207.0768
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