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E-ELT Status

E-ELT Status. G. Monnet Faculty Meeting May 19 th , 2006. E-ELT Design Process Status. “Toolbox” produced by 5 topical Working Groups Science, Instruments, AO, Site & Telescope Design accessible from ESO public web pages Core-ESE WG project definition report completed

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E-ELT Status

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  1. E-ELT Status G. Monnet Faculty Meeting May 19th, 2006

  2. E-ELT Design Process Status • “Toolbox” produced by 5 topical Working Groups • Science, Instruments, AO, Site & Telescope Design • accessible from ESO public web pages • Core-ESE WG project definition report completed • report presented to STC May 11th & ESRC May 19th • covers draft top-level requirements & telescope system design options • E-ELT Telescope Project Office installed by June 1st • R. Gilmozzi P.I.; J. Spyromilio head P.O. • Basic Reference Design to be presented to ESO Community by P.O. & ESE November 29th – 30th

  3. Science #11 #02 Instrument ELT-DS WP #12 #09 A.O. #04 #05 #06 #08 #10 Design Site E-ELT WG: The Output • 5 topical Community-ESO WGs • Science, Instrument, AO, Site & Telescope Design • 586 pages Toolbox produced & publicly available

  4. Rousset Myers Franx Cunningham Hubin Vérinaud Enard Freudling D’Odorico Riccardi Gredel Kauefl Korhonen Gilmozzi Noethe Iye Comeron Rigaut Kerber Owner-Pedersen Arnaboldi Coudé du Foresto Patat Kissler-Patig Love Beuzit Shaver Sarazin Fosbury Ardeberg Siebenmorgen Mathys Kasper Tamai Castro Schneermann McCaughrean Andersen Blommaert Rebolo Holland Appenzeller Stuik LeLouarn Kaufer Ortolani Lemaitre Ragazzoni Spyromilio Moorwood Herbst Hook Brandner Swat Glindemann Benz Haehnelt Rosati Munoz-Tunon Cuby Alvarez Goncharov Yakstoiva Pepe Bergeron Wilson Leibundgut Casali Feldt Tolstoy Salinari Bonaccini Vernin Koch Atad Dierickx Cimatti Zinnecker Dainty Rabien Brandl Brinchmann Quirrenbach Iye Ferrari Udry Dimmler E-ELT WG: The Actors

  5. Main Toolbox components • 31 Science cases including 7 “prominent” ones • prioritized Telescope & Instrument requirements • a timed 12-Instrument suite covering science cases • requirements on Telescope, AO & Site • assessment of technology, complexity, cost & risk • a roadmap for the ~5 AO systems required • requirements on Telescope, Instruments & Site • AO/LGS concepts & technological pathfinders • Site parameters evaluation & observing impact • Telescope Design families evaluation

  6. E-ELT Top Level Science Requirements • a general-use multi-purpose facility(last-hour multi-telescope alternative opened) • an efficient improved-seeing “wide-field” facility(down to visual wavelengths) • an Instrument-friendly facility

  7. Spherical Primary (OWL-like) NO YES Seeing limited R-C or Gregorian NO YES Adaptive 5-mirror Design NO YES YES Adaptive R-C or Gregorian E-ELT Design Decision Tree Aspheric segments ? AO mirror in Tel.? Adaptive M2 ? Option Option

  8. 5-Mirror M2 4.5m DM Gregorian M2 6.0m M4 2.5m DM M5 2.7m T/T M3 4.2m M3 4.0m active Two Alternative Designs (42-m)

  9. E-ELT Top Level Science Requirements • (too?) large impact on telescope design

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