24 July 2014 The 4MOST instrument concept overview
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The 4MOST[1] instrument is a concept for a wide-field, fibre-fed high multiplex spectroscopic instrument facility on the ESO VISTA telescope designed to perform a massive (initially >25x106 spectra in 5 years) combined all-sky public survey. The main science drivers are: Gaia follow up of chemo-dynamical structure of the Milky Way, stellar radial velocities, parameters and abundances, chemical tagging; eROSITA follow up of cosmology with x-ray clusters of galaxies, X-ray AGN/galaxy evolution to z~5, Galactic X-ray sources and resolving the Galactic edge; Euclid/LSST/SKA and other survey follow up of Dark Energy, Galaxy evolution and transients. The surveys will be undertaken simultaneously requiring: highly advanced targeting and scheduling software, also comprehensive data reduction and analysis tools to produce high-level data products. The instrument will allow simultaneous observations of ~1600 targets at R~5,000 from 390-900nm and ~800 targets at R<18,000 in three channels between ~395-675nm (channel bandwidth: 45nm blue, 57nm green and 69nm red) over a hexagonal field of view of ~ 4.1 degrees. The initial 5-year 4MOST survey is currently expect to start in 2020. We provide and overview of the 4MOST systems: optomechanical, control, data management and operations concepts; and initial performance estimates.
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Roger Haynes, Roger Haynes, Samuel Barden, Samuel Barden, Roelof de Jong, Roelof de Jong, Olivier Schnurr, Olivier Schnurr, Olga Bellido, Olga Bellido, Jakob Walcher, Jakob Walcher, Dionne Haynes, Dionne Haynes, Roland Winkler, Roland Winkler, Svend-Marian Bauer, Svend-Marian Bauer, Frank Dionies, Frank Dionies, Allar Saviauk, Allar Saviauk, Cristina Chiappini, Cristina Chiappini, Axel Schwope, Axel Schwope, Joar Brynnel, Joar Brynnel, Matthias Steinmetz, Matthias Steinmetz, Richard McMahon, Richard McMahon, Sofia Feltzing, Sofia Feltzing, Patrick Francois, Patrick Francois, Scott Trager, Scott Trager, Ian Parry, Ian Parry, Mike Irwin, Mike Irwin, Nicholas Walton, Nicholas Walton, David King, David King, David Sun, David Sun, Eduaro Gonzalez-Solares, Eduaro Gonzalez-Solares, Ian Tosh, Ian Tosh, Gavin Dalton, Gavin Dalton, Kevin Middleton, Kevin Middleton, Piercarlo Bonifacio, Piercarlo Bonifacio, Pascal Jagourel, Pascal Jagourel, Shan Mignot, Shan Mignot, Mathieu Cohen, Mathieu Cohen, Jean-Philippe Amans, Jean-Philippe Amans, Frederic Royer, Frederic Royer, Paola Sartoretti, Paola Sartoretti, Johan Pragt, Johan Pragt, Gerrit Gerlofsma, Gerrit Gerlofsma, Ronald Roelfsema, Ronald Roelfsema, Ramon Navarro, Ramon Navarro, Guido Thimm, Guido Thimm, Walter Seifert, Walter Seifert, Norbert Christlieb, Norbert Christlieb, Holger Mandel, Holger Mandel, Trifon Trifonov, Trifon Trifonov, Wenli Xu, Wenli Xu, Florian Lang-Bardl, Florian Lang-Bardl, Bernard Muschielok, Bernard Muschielok, Jörg Schlichter, Jörg Schlichter, Hans-Joachim Hess, Hans-Joachim Hess, Frank Grupp, Frank Grupp, Hans Boehringer, Hans Boehringer, Thomas Boller, Thomas Boller, Tom Dwelly, Tom Dwelly, Ralf Bender, Ralf Bender, Piero Rosati, Piero Rosati, Olaf Iwert, Olaf Iwert, Gert Finger, Gert Finger, Jean-Louis Lizon L'Allemand, Jean-Louis Lizon L'Allemand, Will Saunders, Will Saunders, Andrew Sheinis, Andrew Sheinis, Gabriella Frost, Gabriella Frost, Tony Farrell, Tony Farrell, Lewis Waller, Lewis Waller, Eric Depagne, Eric Depagne, Florence Laurent, Florence Laurent, Patrick Caillier, Patrick Caillier, Johan Kosmalski, Johan Kosmalski, Johan Richard, Johan Richard, Roland Bacon, Roland Bacon, Wolfgang Ansorge, Wolfgang Ansorge, "The 4MOST instrument concept overview", Proc. SPIE 9147, Ground-based and Airborne Instrumentation for Astronomy V, 91476I (24 July 2014); doi: 10.1117/12.2057253; https://doi.org/10.1117/12.2057253

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