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Title:
ATLAS probe: Breakthrough science of galaxy evolution, cosmology, Milky Way, and the Solar System
Authors:
Wang, Yun; Robberto, Massimo; Dickinson, Mark; Hillenbrand, Lynne A.; Fraser, Wesley; Behroozi, Peter; Brinchmann, Jarle; Chuang, Chia-Hsun; Cimatti, Andrea; Content, Robert; Daddi, Emanuele; Ferguson, Henry C.; Hirata, Christopher; Hudson, Michael J.; Kirkpatrick, J. Davy; Orsi, Alvaro; Ryan, Russell; Shapley, Alice; Ballardini, Mario; Barkhouser, Robert; Bartlett, James; Benjamin, Robert; Chary, Ranga; Conroy, Charlie; Donahue, Megan; Doré, Olivier; Eisenhardt, Peter; Glazebrook, Karl; Helou, George; Malhotra, Sangeeta; Moscardini, Lauro; Newman, Jeffrey A.; Ninkov, Zoran; Ressler, Michael; Rhoads, James; Rhodes, Jason; Scolnic, Daniel; Smee, Stephen; Valentino, Francesco; Wechsler, Risa H.
Affiliation:
AA(IPAC, California Institute of Technology, Mail Code 314-6, 1200 East California Blvd., Pasadena, CA 91125, USA), AB(Space Telescope Science Institute, 3700 San Martin Drive, Baltimore, MD 21218, USA; Department of Physics & Astronomy, Johns Hopkins University, 3400 N. Charles Street, Baltimore, MD 21218, USA), AC(NOAO, 950 North Cherry Ave., Tucson, AZ 85719, USA), AD(Department of Astronomy, California Institute of Technology, Mail Code 249-17, 1200 East California Blvd., Pasadena, CA 91125, USA), AE(School of Mathematics and Physics, Queen's University Belfast, University Road, BT7 1NN Belfast, UK), AF(Steward Observatory, University of Arizona, 933 N Cherry Ave., Tucson, AZ 85719, USA), AG(Leiden Observatory, Leiden University, P.O. Box 9513, NL-2300 RA Leiden, The Netherlands; Instituto de Astrofísica e Ciências do Espaço, Universidade do Porto, CAUP, Rua das Estrelas, PT-4150-762 Porto, Portugal), AH(Department of Physics, Kavli Institute for Particle Astrophysics and Cosmology, Stanford University, Stanford, CA 94305, USA), AI(Department of Physics and Astronomy, Alma Mater Studiorum - University of Bologna, via Gobetti 93/2, I-40129 Bologna, Italy; INAF - Osservatorio Astrofisico di Arcetri, Largo E. Fermi 5, I-50125 Firenze, Italy), AJ(Australian Astronomical Optics, Macquarie University, 105 Delhi Road, North Ryde, NSW 2113, Australia), AK(CEA, IRFU, DAp, AIM, Université Paris-Saclay, Université Paris Diderot, Sorbonne Paris Cité, CNRS, F-91191 Gif-sur-Yvette, France), AL(Space Telescope Science Institute, 3700 San Martin Drive, Baltimore, MD 21218, USA), AM(Center for Cosmology and Astroparticle Physics, The Ohio State University, 191 West Woodruff Avenue, Columbus, OH 43210), AN(Department of Physics & Astronomy, University of Waterloo, 200 University Avenue West, Waterloo, ON, Canada, N2L 3G1), AO(IPAC, California Institute of Technology, Mail Code 314-6, 1200 East California Blvd., Pasadena, CA 91125, USA), AP(Centro de Estudios de Física del Cosmos de Aragón, Plaza de San Juan 1, Teruel 44001, Spain), AQ(Space Telescope Science Institute, 3700 San Martin Drive, Baltimore, MD 21218, USA), AR(Department of Physics & Astronomy, UCLA, 430 Portola Plaza, P.O. Box 951547, Los Angeles, CA 90095-1547, USA), AS(Department of Physics & Astronomy, University of the Western Cape, Cape Town 7535, South Africa; INAF - Osservatorio di Astrofisica e Scienza dello Spazio di Bologna, via Gobetti 93/3, I-40129 Bologna, Italy), AT(Department of Physics & Astronomy, Johns Hopkins University, 3400 N. Charles Street, Baltimore, MD 21218, USA), AU(Jet Propulsion Laboratory, California Institute of Technology, 4800 Oak Grove Drive, Pasadena, CA 91109, USA), AV(Department of Physics, University of Wisconsin - Whitewater, 800 W. Main Street, Whitewater, WI 53190-1790, USA), AW(IPAC, California Institute of Technology, Mail Code 314-6, 1200 East California Blvd., Pasadena, CA 91125, USA), AX(Harvard Smithsonian Center for Astrophysics, 60 Garden Street, Cambridge, MA 02138, USA), AY(Physics and Astronomy Department, Michigan State University, 567 Wilson Rd., East Lansing, MI 48824, USA), AZ(Jet Propulsion Laboratory, California Institute of Technology, 4800 Oak Grove Drive, Pasadena, CA 91109, USA), BA(Jet Propulsion Laboratory, California Institute of Technology, 4800 Oak Grove Drive, Pasadena, CA 91109, USA), BB(Centre for Astrophysics & Supercomputing, Mail number H29, Swinburne University of Technology, P.O. Box 218, Hawthorn, VIC 3122, Australia), BC(IPAC, California Institute of Technology, Mail Code 314-6, 1200 East California Blvd., Pasadena, CA 91125, USA), BD(Goddard Space Flight Center, 8800 Greenbelt Rd., Greenbelt, MD 20771, USA), BE(Department of Physics and Astronomy, Alma Mater Studiorum - University of Bologna, via Gobetti 93/2, I-40129 Bologna, Italy; INAF - Osservatorio di Astrofisica e Scienza dello Spazio di Bologna, via Gobetti 93/3, I-40129 Bologna, Italy; INFN - Sezione di Bologna, viale Berti Pichat 6/2, I-40127 Bologna, Italy), BF(University of Pittsburgh and PITT PACC, 3941 O'Hara St., Pittsburgh, PA 15260, USA), BG(Center for Imaging Science, Rochester Institute of Technology, 54 Lomb Memorial Drive, Rochester, NY 14623, USA), BH(Jet Propulsion Laboratory, California Institute of Technology, 4800 Oak Grove Drive, Pasadena, CA 91109, USA), BI(Goddard Space Flight Center, 8800 Greenbelt Rd., Greenbelt, MD 20771, USA), BJ(Jet Propulsion Laboratory, California Institute of Technology, 4800 Oak Grove Drive, Pasadena, CA 91109, USA), BK(Department of Physics, Duke University, Durham, NC 27708, USA), BL(Department of Physics & Astronomy, Johns Hopkins University, 3400 N. Charles Street, Baltimore, MD 21218, USA), BM(Cosmic Dawn Center (DAWN), Niels Bohr Institute, University of Copenhagen, Juliane Maries Vej 30, DK-2100 Copenhagen Ø, Denmark; DTU-Space, Technical University of Denmark, Elektrovej 327, DK-2800 Kgs. Lyngby, Denmark), BN(Department of Physics, Kavli Institute for Particle Astrophysics and Cosmology, Stanford University, Stanford, CA 94305, USA; Particle Physics & Astrophysics Department, SLAC National Accelerator Laboratory, Menlo Park, CA 94025, USA)
Publication:
Publications of the Astronomical Society of Australia, Volume 36, id. e015 (PASA Homepage)
Publication Date:
03/2019
Origin:
CUP
Astronomy Keywords:
Galaxies: evaluation, cosmology: observations, space vehicles: instruments
Abstract Copyright:
2019: Astronomical Society of Australia
DOI:
10.1017/pasa.2019.5
Bibliographic Code:
2019PASA...36...15W

Abstract

Astrophysics Telescope for Large Area Spectroscopy Probe is a concept for a National Aeronautics and Space Administration probe-class space mission that will achieve ground-breaking science in the fields of galaxy evolution, cosmology, Milky Way, and the Solar System. It is the follow-up space mission to Wide Field Infrared Survey Telescope (WFIRST), boosting its scientific return by obtaining deep 1-4 mum slit spectroscopy for ˜70% of all galaxies imaged by the ˜2 000 deg2 WFIRST High Latitude Survey at z > 0.5. Astrophysics Telescope for Large Area Spectroscopy will measure accurate and precise redshifts for ˜200 M galaxies out to z < 7, and deliver spectra that enable a wide range of diagnostic studies of the physical properties of galaxies over most of cosmic history. Astrophysics Telescope for Large Area Spectroscopy Probe and WFIRST together will produce a 3D map of the Universe over 2 000 deg2, the definitive data sets for studying galaxy evolution, probing dark matter, dark energy and modifications of General Relativity, and quantifying the 3D structure and stellar content of the Milky Way. Astrophysics Telescope for Large Area Spectroscopy Probe science spans four broad categories: (1) Revolutionising galaxy evolution studies by tracing the relation between galaxies and dark matter from galaxy groups to cosmic voids and filaments, from the epoch of reionisation through the peak era of galaxy assembly; (2) Opening a new window into the dark Universe by weighing the dark matter filaments using 3D weak lensing with spectroscopic redshifts, and obtaining definitive measurements of dark energy and modification of General Relativity using galaxy clustering; (3) Probing the Milky Way's dust-enshrouded regions, reaching the far side of our Galaxy; and (4) Exploring the formation history of the outer Solar System by characterising Kuiper Belt Objects. Astrophysics Telescope for Large Area Spectroscopy Probe is a 1.5 m telescope with a field of view of 0.4 deg2, and uses digital micro-mirror devices as slit selectors. It has a spectroscopic resolution of R = 1 000, and a wavelength range of 1-4 mum. The lack of slit spectroscopy from space over a wide field of view is the obvious gap in current and planned future space missions; Astrophysics Telescope for Large Area Spectroscopy fills this big gap with an unprecedented spectroscopic capability based on digital micro-mirror devices (with an estimated spectroscopic multiplex factor greater than 5 000). Astrophysics Telescope for Large Area Spectroscopy is designed to fit within the National Aeronautics and Space Administration probe-class space mission cost envelope; it has a single instrument, a telescope aperture that allows for a lighter launch vehicle, and mature technology (we have identified a path for digital micro-mirror devices to reach Technology Readiness Level 6 within 2 yr). Astrophysics Telescope for Large Area Spectroscopy Probe will lead to transformative science over the entire range of astrophysics: from galaxy evolution to the dark Universe, from Solar System objects to the dusty regions of the Milky Way.
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