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1. Project overview and update on WEAVE: the next generation wide-field spectroscopy facility for the William Herschel Telescope

Author

Dalton, Gavin, Trager, Scott, Abrams, Don Carlos, Bonifacio, Piercarlo, Aguerri, J. Alfonso L., Middleton, Kevin, Benn, Chris, Dee, Kevin, Sayede, Frederic, Lewis, Ian, Pragt, Johannes, Pico, Sergio, Walton, Nic, Rey, Juerg, Prieto, Carlos Allende, Penate, Jose, Lhome, Emilie, Agocs, Tibor, Alonso, Jose, Terrett, David, Brock, Matthew, Gilbert, James, Ridings, Andy, Guinouard, Isabelle, Verheijen, Marc, Tosh, Ian, Rogers, Kevin, Steele, Iain, Stuik, Remko, Tromp, Neils, Jasko, Attila, Kragt, Jan, Lesman, Dirk, Mottram, Chris, Bates, Stuart, Gribbin, Frank, Rodriguez, Luis Fernando, Delgado, Jose Miguel, Martin, Carlos, Cano, Diego, Navarro, Ramon, Irwin, Mike, Lewis, Jim, Solares, Eduardo Gonzales, Mahony, Neil O, Bianco, Andrea, Zurita, Christina, ter Horst, Rik, Molinari, Emilio, Lodi, Marcello, Guerra, Jose, Vallenari, Antonella, and Baruffolo, Andrea

Subjects
Astrophysics - Instrumentation and Methods for Astrophysics
Abstract

We present an overview of and status report on the WEAVE next-generation spectroscopy facility for the William Herschel Telescope (WHT). WEAVE principally targets optical ground-based follow up of upcoming ground-based (LOFAR) and space-based (Gaia) surveys. WEAVE is a multi-object and multi-IFU facility utilizing a new 2-degree prime focus field of view at the WHT, with a buffered pick-and-place positioner system hosting 1000 multi-object (MOS) fibres, 20 integral field units, or a single large IFU for each observation. The fibres are fed to a single spectrograph, with a pair of 8k(spectral) x 6k (spatial) pixel cameras, located within the WHT GHRIL enclosure on the telescope Nasmyth platform, supporting observations at R~5000 over the full 370-1000nm wavelength range in a single exposure, or a high resolution mode with limited coverage in each arm at R~20000. The project is now in the final design and early procurement phase, with commissioning at the telescope expected in 2017., Comment: 11 pages, 11 Figures, Summary of a presentation to Astronomical Telescopes and Instrumentation 2014

Published
2014
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2. Final design and progress of WEAVE

Author

Dalton, Gavin, Trager, Scott, Abrams, Don Carlos, Bonifacio, Piercarlo, Aguerri, J. Alfonso L., Middleton, Kevin, Benn, Chris, Dee, Kevin, Sayède, Frédéric, Lewis, Ian, Pragt, Johannes, Pico, Sergio, Walton, Nic, Rey, Jeurg, Allende Prieto, Carlos, Peñate, José, Lhome, Emilie, Agócs, Tibor, Alonso, José, Terrett, David, Brock, Matthew, Gilbert, James, Schallig, Ellen, Ridings, Andy, Guinouard, Isabelle, Verheijen, Marc, Tosh, Ian, Rogers, Kevin, Lee, Martin, Steele, Iain, Stuik, Remko, Tromp, Niels, Jaskó, Attila, Carrasco, Esperanza, Farcas, Szigfrid, Kragt, Jan, Lesman, Dirk, Kroes, Gabby, Mottram, Chris, Bates, Stuart, Rodriguez, Luis Fernando, Gribbin, Frank, Delgado, José Miguel, Herreros, José Miguel, Martin, Carlos, Cano, Diego, Navarro, Ramon, Irwin, Mike, Lewis, Jim, Gonzalez Solares, Eduardo, Murphy, David, Worley, Clare, Bassom, Richard, O'Mahoney, Neil, Bianco, Andrea, Zurita, Christina, ter Horst, Rik, Molinari, Emilio, Lodi, Marcello, Guerra, José, Martin, Adrian, Vallenari, Antonella, Salasnich, Bernardo, Baruffolo, Andrea, Jin, Shoko, Hill, Vanessa, Smith, Dan, Drew, Janet, Poggianti, Bianca, Pieri, Mat, Dominquez Palmero, Lillian, Farina, Cecilia, Evans, Christopher J, Simard, Luc, Takami, Hideki, Astronomy, STFC Rutherford Appleton Laboratory, Kapteyn Astronomical Institute, University of Groningen, Isaac Newton Group of Telescopes (Spain), Galaxies, Etoiles, Physique, Instrumentation (GEPI), Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS), Physique stellaire et galactique, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Centre National de la Recherche Scientifique (CNRS)-Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Centre National de la Recherche Scientifique (CNRS), Instituto de Astrofísica de Canarias (IAC), Univ. of Oxford (United Kingdom), Netherlands Institute for Radio Astronomy (ASTRON), Institute of Astronomy, Madingley Road, Liverpool John Moores University, Konkoly Observatory, Research Center for Astronomy and Earth Sciences, Instituto Nacional de Astrofísica Óptica y Electrónica (INAOE), Osservatorio Astronomico di Cagliari, Astrochemistry Group (INAF), INAF/TNG Fundación Galileo Galilei - Rambla José Ana Fernández Pérez, 7, Observatoire de la Côte d'Azur (OCA), Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS), University of Hertfordshire [Hatfield] (UH), Laboratoire d'Astrophysique de Marseille (LAM), Aix Marseille Université (AMU)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National d'Études Spatiales [Toulouse] (CNES)-Centre National de la Recherche Scientifique (CNRS), ITA, GBR, FRA, ESP, MEX, and NLD

Subjects
Physics, Pixel, business.industry, Field of view, First light, LOFAR, 01 natural sciences, law.invention, 010309 optics, Telescope, Optics, law, 0103 physical sciences, William Herschel Telescope, Aerospace engineering, business, Spectroscopy, [PHYS.ASTR]Physics [physics]/Astrophysics [astro-ph], 010303 astronomy & astrophysics, Spectrograph
Abstract

We present the Final Design of the WEAVE next-generation spectroscopy facility for the William Herschel Telescope (WHT), together with a status update on the details of manufacturing, integration and the overall project schedule now that all the major fabrication contracts are in place. We also present a summary of the current planning behind the 5-year initial phase of survey operations. WEAVE will provide optical ground-based follow up of ground-based (LOFAR) and space-based (Gaia) surveys. WEAVE is a multi-object and multi-IFU facility utilizing a new 2-degree prime focus field of view at the WHT, with a buffered pick-and-place positioner system hosting 1000 multi-object (MOS) fibres, 20 integral field units, or a single large IFU for each observation. The fibres are fed to a single (dual-beam) spectrograph, with total of 16k spectral pixels, located within the WHT GHRIL enclosure on the telescope Nasmyth platform, supporting observations at R~5000 over the full 370-1000nm wavelength range in a single exposure, or a high resolution mode with limited coverage in each arm at R~20000. The project is now in the manufacturing and integration phase with first light expected for early of 2018.

Published
2016
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