Scientific Synergy between LSST and Euclid

Rhodes, Jason; Nichol, Robert C.; Aubourg, Éric; Bean, Rachel; Boutigny, Dominique; Bremer, Malcolm N.; Capak, Peter; Cardone, Vincenzo; Carry, Benoît; Conselice, Christopher J.; Connolly, Andrew J.; Cuillandre, Jean-Charles; Hatch, N. A.; Helou, George; Hemmati, Shoubaneh; Hildebrandt, Hendrik; Hložek, Renée; Jones, Lynne; Kahn, Steven; Kiessling, Alina; Kitching, Thomas; Lupton, Robert; Mandelbaum, Rachel; Markovic, Katarina; Marshall, Phil; Massey, Richard; Maughan, Ben J.; Melchior, Peter; Mellier, Yannick; Newman, Jeffrey A.; Robertson, Brant; Sauvage, Marc; Schrabback, Tim; Smith, Graham P.; Strauss, Michael A.; Taylor, Andy; Linden, Anja Von Der

doi:10.3847/1538-4365/aa96b0

Title: Scientific Synergy between LSST and Euclid

Journal Article · 06 December 2017 · The Astrophysical Journal. Supplement Series (Online)

DOI: https://doi.org/10.3847/1538-4365/aa96b0 · OSTI ID:1417339

^[1]; Nichol, Robert C. ^[2]; Aubourg, Éric ^[3]; Bean, Rachel ^[4]; Boutigny, Dominique ^[5]; Bremer, Malcolm N. ^[6]; Capak, Peter ^[1]; Cardone, Vincenzo ^[7]; Carry, Benoît ^[8];

^[9];

^[10]; Cuillandre, Jean-Charles ^[11]; Hatch, N. A. ^[9]; Helou, George ^[1];

^[1]; Hildebrandt, Hendrik ^[12]; Hložek, Renée ^[13];

^[10]; Kahn, Steven ^[14]; Kiessling, Alina ^[1] more »

California Inst. of Technology (CalTech), Pasadena, CA (United States)
University of Portsmouth (United Kingdom)
Universite Paris Diderot, CNRS/IN2P3, CEA/Irfu, Observatoire de Paris (France)
Cornell Univ., Ithaca, NY (United States)
Universite Savoie Mont Blanc, CNRS/IN2P3 (France)
University of Bristol (United Kingdom)
I.N.A.F.-Osservatorio Astronomico di Roma Via Frascati 33-I-00040 Monte Porzio Catone, Roma (Italy)
Universite Cote d Azur, Observatoire de la Cote d Azur (France)
University of Nottingham, University Park (United Kingdom)
University of Washington, Seattle, WA (United States)
Universite Paris Diderot (France); Observatoire de Paris, PSL Research University (France)
Universitat Bonn (Germany)
University of Toronto, Ontario (Canada)
SLAC National Accelerator Lab., Menlo Park, CA (United States)
University College London (United Kingdom)
Princeton University, Princeton, NJ (United States)
Carnegie Mellon University, Pittsburgh, PA (United States)
Durham University (United Kingdom)
Universite Pierre & Marie Curie (France); IRFU, Service d Astrophysique, CEA Saclay (France)
University of Pittsburgh, PA (United States)
University of California, Santa Cruz, CA (United States)
Universite Paris Diderot (France)
University of Birmingham (United Kingdom)
Institute for Astronomy, School of Physics and Astronomy, Royal Observatory Edinburgh (United Kingdom)
Stony Brook Univ., NY (United States)

We report that Euclid and the Large Synoptic Survey Telescope (LSST) are poised to dramatically change the astronomy landscape early in the next decade. The combination of high-cadence, deep, wide-field optical photometry from LSST with high-resolution, wide-field optical photometry, and near-infrared photometry and spectroscopy from Euclid will be powerful for addressing a wide range of astrophysical questions. We explore Euclid/LSST synergy, ignoring the political issues associated with data access to focus on the scientific, technical, and financial benefits of coordination. We focus primarily on dark energy cosmology, but also discuss galaxy evolution, transient objects, solar system science, and galaxy cluster studies. We concentrate on synergies that require coordination in cadence or survey overlap, or would benefit from pixel-level co-processing that is beyond the scope of what is currently planned, rather than scientific programs that could be accomplished only at the catalog level without coordination in data processing or survey strategies. Also, we provide two quantitative examples of scientific synergies: the decrease in photo-z errors (benefiting many science cases) when high-resolution Euclid data are used for LSST photo-z determination, and the resulting increase in weak-lensing signal-to-noise ratio from smaller photo-z errors. We briefly discuss other areas of coordination, including high-performance computing resources and calibration data. Finally, we address concerns about the loss of independence and potential cross-checks between the two missions and the potential consequences of not collaborating.

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Research Organization:: SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States)

Sponsoring Organization:: USDOE

Grant/Contract Number:: AC02-76SF00515

OSTI ID:: 1417339

Journal Information:: The Astrophysical Journal. Supplement Series (Online), Journal Name: The Astrophysical Journal. Supplement Series (Online) Journal Issue: 2 Vol. 233; ISSN 1538-4365

Publisher:: American Astronomical Society/IOPCopyright Statement

Country of Publication:: United States

Language:: English

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The structures of distant galaxies - V. The evolution of galaxy structure in stellar mass at z<1: Galaxy structure in stellar mass at z < 1.0 Lanyon-Foster, M. M.; Conselice, C. J.; Merrifield, M. R. Monthly Notices of the Royal Astronomical Society, Vol. 424, Issue 3 https://doi.org/10.1111/j.1365-2966.2012.21287.x	journal	July 2012
The LSST operations simulator Delgado, Francisco; Saha, Abhijit; Chandrasekharan, Srinivasan SPIE Astronomical Telescopes + Instrumentation, SPIE Proceedings https://doi.org/10.1117/12.2056898	conference	August 2014
SPT-3G: a next-generation cosmic microwave background polarization experiment on the South Pole telescope Benson, B. A.; Ade, P. A. R.; Ahmed, Z. SPIE Astronomical Telescopes + Instrumentation, SPIE Proceedings https://doi.org/10.1117/12.2057305	conference	July 2014
VIS: the visible imager for Euclid Cropper, Mark; Pottinger, S.; Niemi, S. SPIE Astronomical Telescopes + Instrumentation, SPIE Proceedings https://doi.org/10.1117/12.2234739	conference	July 2016
The nongravitational interactions of dark matter in colliding galaxy clusters Harvey, D.; Massey, R.; Kitching, T. Science, Vol. 347, Issue 6229 https://doi.org/10.1126/science.1261381	journal	March 2015
Distances with <4% precision from type Ia supernovae in young star-forming environments Kelly, P. L.; Filippenko, A. V.; Burke, D. L. Science, Vol. 347, Issue 6229 https://doi.org/10.1126/science.1261475	journal	March 2015
Observation of a new Boson at a mass of 125 gev with the cms Experiment at the lhc Mariotti, Chiara Proceedings of the MG13 Meeting on General Relativity, The Thirteenth Marcel Grossmann Meeting https://doi.org/10.1142/9789814623995_0019	conference	March 2015
Galaxy alignments: An overview Joachimi, Benjamin; Cacciato, Marcello; Kitching, Thomas D. Carnegie Mellon University https://doi.org/10.1184/r1/6506831	text	January 2016
Galaxy alignments: An overview Joachimi, Benjamin; Cacciato, Marcello; Kitching, Thomas D. Carnegie Mellon University https://doi.org/10.1184/r1/6506831.v1	text	January 2016
GALSIM: The modular galaxy image simulation toolkit Rowe, Barnaby; Jarvis, Mike; Mandelbaum, Rachel Carnegie Mellon University https://doi.org/10.1184/r1/6506855	text	January 2015
GALSIM: The modular galaxy image simulation toolkit Rowe, Barnaby; Jarvis, Mike; Mandelbaum, Rachel Carnegie Mellon University https://doi.org/10.1184/r1/6506855.v1	text	January 2015
Observation of a new boson at a mass of 125 GeV with the CMS experiment at the LHC Akgun, B.; Azzolini, V.; Calamba, A. Figshare https://doi.org/10.1184/r1/6507686.v1	text	January 2018
H0LiCOW - V. New COSMOGRAIL time delays of HE 0435-1223: H0 to 3.8 per cent precision from strong lensing in a flat ΛCDM model Bonvin, V.; Courbin, F.; Suyu, Sh Apollo - University of Cambridge Repository https://doi.org/10.17863/cam.43691	text	January 2017
Confirmation of a Star Formation Bias in Type Ia Supernova Distances and Its Effect on the Measurement of the Hubble Constant Rigault, M.; Aldering, G.; Kowalski, M. Deutsches Elektronen-Synchrotron, DESY, Hamburg https://doi.org/10.3204/pubdb-2016-00425	text	January 2015
The Ellipticity Distribution of Ambiguously Blended Objects Dawson, William A.; Schneider, Michael D.; Tyson, J. Anthony The Astrophysical Journal, Vol. 816, Issue 1 https://doi.org/10.3847/0004-637X/816/1/11	journal	December 2015
THE COSMOS2015 CATALOG: EXPLORING THE 1 < z < 6 UNIVERSE WITH HALF A MILLION GALAXIES Laigle, C.; McCracken, H. J.; Ilbert, O. The Astrophysical Journal Supplement Series, Vol. 224, Issue 2 https://doi.org/10.3847/0067-0049/224/2/24	journal	June 2016
The Canada–France Ecliptic Plane Survey (CFEPS)—High-latitude Component Petit, J-M.; Kavelaars, J. J.; Gladman, B. J. The Astronomical Journal, Vol. 153, Issue 5 https://doi.org/10.3847/1538-3881/aa6aa5	journal	April 2017
The Complete Calibration of the Color–Redshift Relation (C3R2) Survey: Survey Overview and Data Release 1 Masters, Daniel C.; Stern, Daniel K.; Cohen, Judith G. The Astrophysical Journal, Vol. 841, Issue 2 https://doi.org/10.3847/1538-4357/aa6f08	journal	May 2017
Practical Weak-lensing Shear Measurement with Metacalibration Sheldon, Erin S.; Huff, Eric M. The Astrophysical Journal, Vol. 841, Issue 1 https://doi.org/10.3847/1538-4357/aa704b	journal	May 2017
Galaxy Zoo: Exploring the Motivations of Citizen Science Volunteers Raddick, M. Jordan; Bracey, Georgia; Gay, Pamela L. Astronomy Education Review, Vol. 9, Issue 1 https://doi.org/10.3847/AER2009036	journal	December 2010
The 2dF Galaxy Redshift Survey: Power-spectrum analysis of the final data set and cosmological implications Shaun, Cole,; J., Percival, Will; A., Peacock, John ETH Zurich https://doi.org/10.3929/ethz-b-000031803	text	January 2005
The impact of galaxy colour gradients on cosmic shear measurement Voigt, L. M.; Bridle, S. L.; Amara, A. ETH Zurich https://doi.org/10.3929/ethz-b-000045546	text	January 2012
Structure Through Colour: A Pixel Approach Towards Understanding Galaxies Lanyon-Foster, M. M.; Conselice, C. J.; Merrifield, M. R. arXiv https://doi.org/10.48550/arxiv.0706.2622	text	January 2007
Calibrating Redshift Distributions Beyond Spectroscopic Limits with Cross-Correlations Newman, Jeffrey A. arXiv https://doi.org/10.48550/arxiv.0805.1409	text	January 2008
Galaxy Zoo: Exploring the Motivations of Citizen Science Volunteers Raddick, M. Jordan; Bracey, Georgia; Gay, Pamela L. arXiv https://doi.org/10.48550/arxiv.0909.2925	text	January 2009
PHAT: PHoto-z Accuracy Testing Hildebrandt, H.; Arnouts, S.; Capak, P. arXiv https://doi.org/10.48550/arxiv.1008.0658	text	January 2010
A Detailed Study of Photometric Redshifts for GOODS-South Galaxies Dahlen, Tomas; Mobasher, Bahram; Dickinson, Mark arXiv https://doi.org/10.48550/arxiv.1009.3504	text	January 2010
Dissecting Photometric redshift for Active Galactic Nuclei using XMM- and Chandra-COSMOS samples Salvato, M.; Ilbert, O.; Hasinger, G. arXiv https://doi.org/10.48550/arxiv.1108.6061	text	January 2011
The DEEP2 Galaxy Redshift Survey: Design, Observations, Data Reduction, and Redshifts Newman, Jeffrey A.; Cooper, Michael C.; Davis, Marc arXiv https://doi.org/10.48550/arxiv.1203.3192	text	January 2012
On the shear estimation bias induced by the spatial variation of colour across galaxy profiles Semboloni, Elisabetta; Hoekstra, Henk; Huang, Zhuoyi arXiv https://doi.org/10.48550/arxiv.1211.5025	text	January 2012
redMaPPer I: Algorithm and SDSS DR8 Catalog Rykoff, E. S.; Rozo, E.; Busha, M. T. arXiv https://doi.org/10.48550/arxiv.1303.3562	text	January 2013
Host Galaxy Spectra and Consequences for SN Typing From The SDSS SN Survey Olmstead, Matthew D.; Brown, Peter J.; Sako, Masao arXiv https://doi.org/10.48550/arxiv.1308.6818	text	January 2013
An Atlas of Galaxy Spectral Energy Distributions from the Ultraviolet to the Mid-Infrared Brown, Michael J. I.; Moustakas, John; Smith, J. -D. T. arXiv https://doi.org/10.48550/arxiv.1312.3029	text	January 2013
CANDELS Visual Classifications: Scheme, Data Release, and First Results Kartaltepe, Jeyhan S.; Mozena, Mark; Kocevski, Dale arXiv https://doi.org/10.48550/arxiv.1401.2455	text	January 2014
3D-HST WFC3-selected Photometric Catalogs in the Five CANDELS/3D-HST Fields: Photometry, Photometric Redshifts and Stellar Masses Skelton, Rosalind E.; Whitaker, Katherine E.; Momcheva, Ivelina G. arXiv https://doi.org/10.48550/arxiv.1403.3689	text	January 2014
Weighing the Giants IV: Cosmology and Neutrino Mass Mantz, Adam B.; von der Linden, Anja; Allen, Steven W. arXiv https://doi.org/10.48550/arxiv.1407.4516	text	January 2014
Solar System evolution from compositional mapping of the asteroid belt DeMeo, Francesca; Carry, Benoit arXiv https://doi.org/10.48550/arxiv.1408.2787	text	January 2014
Fourier analysis of multi-tracer cosmological surveys Abramo, L. Raul; Secco, Lucas F.; Loureiro, Arthur arXiv https://doi.org/10.48550/arxiv.1505.04106	text	January 2015
An accurate and practical method for inference of weak gravitational lensing from galaxy images Bernstein, Gary M.; Armstrong, Robert; Krawiec, Christina arXiv https://doi.org/10.48550/arxiv.1508.05655	text	January 2015
Prediction of transits of solar system objects in Kepler/K2 images: An extension of the Virtual Observatory service SkyBoT Berthier, J.; Carry, B.; Vachier, F. arXiv https://doi.org/10.48550/arxiv.1602.07153	text	January 2016
KiDS-450: Cosmological parameter constraints from tomographic weak gravitational lensing Hildebrandt, H.; Viola, M.; Heymans, C. arXiv https://doi.org/10.48550/arxiv.1606.05338	text	January 2016
A study of the sensitivity of shape measurements to the input parameters of weak lensing image simulations Hoekstra, Henk; Viola, Massimo; Herbonnet, Ricardo arXiv https://doi.org/10.48550/arxiv.1609.03281	text	January 2016
KiDS-450: Testing extensions to the standard cosmological model Joudaki, Shahab; Mead, Alexander; Blake, Chris arXiv https://doi.org/10.48550/arxiv.1610.04606	text	January 2016
Measuring weak lensing correlations of Type Ia Supernovae Scovacricchi, D.; Nichol, R. C.; Macaulay, E. arXiv https://doi.org/10.48550/arxiv.1611.01315	text	January 2016
Practical Weak Lensing Shear Measurement with Metacalibration Sheldon, Erin S.; Huff, Eric M. arXiv https://doi.org/10.48550/arxiv.1702.02601	text	January 2017
KiDS-450: Tomographic Cross-Correlation of Galaxy Shear with {\it Planck} Lensing Harnois-Déraps, Joachim; Tröster, Tilman; Chisari, Nora Elisa arXiv https://doi.org/10.48550/arxiv.1703.03383	text	January 2017
The Complete Calibration of the Color-Redshift Relation (C3R2) Survey: Survey Overview and Data Release 1 Masters, Daniel; Stern, Daniel; Cohen, Judith arXiv https://doi.org/10.48550/arxiv.1704.06665	text	January 2017
Color Confirmation of Asteroid Families Ivezic, Z.; Lupton, R. H.; Juric, M. arXiv https://doi.org/10.48550/arxiv.astro-ph/0208098	text	January 2002
The 2dF Galaxy Redshift Survey: Power-spectrum analysis of the final dataset and cosmological implications Cole, S.; Percival, W. J.; Peacock, J. A. arXiv https://doi.org/10.48550/arxiv.astro-ph/0501174	text	January 2005
The Star Formation History of the Hubble Sequence: Spatially Resolved Colour Distributions of Intermediate Redshift Galaxies in the Hubble Deep Field Abraham, R. G.; Ellis, R. S.; Fabian, A. C. arXiv https://doi.org/10.48550/arxiv.astro-ph/9807140	text	January 1998
Bayesian photometric redshift estimation Benitez, Narciso arXiv https://doi.org/10.48550/arxiv.astro-ph/9811189	text	January 1998
Extracting primordial non-gaussianity without cosmic variance Seljak, U. American Physical Society https://doi.org/10.5167/uzh-30901	text	January 2009
New constraints on the evolution of the stellar-to-dark matter connection: A combined analysis of galaxy-galaxy lensing, clustering, and stellar mass functions from z=0.2 to z=1 Alexie, Leauthaud,; Jeremy, Tinker,; al, et IOP Publishing https://doi.org/10.5167/uzh-70387	text	January 2012

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Taxonomic classification of asteroids based on MOVIS near-infrared colors Popescu, M.; Licandro, J.; Carvano, J. M. Astronomy & Astrophysics, Vol. 617 https://doi.org/10.1051/0004-6361/201833023	journal	September 2018
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Cosmological constraints from a joint analysis of cosmic microwave background and spectroscopic tracers of the large-scale structure Doux, Cyrille; Penna-Lima, Mariana; Vitenti, Sandro D. P. Monthly Notices of the Royal Astronomical Society, Vol. 480, Issue 4 https://doi.org/10.1093/mnras/sty2160	journal	August 2018
Horizon-AGN virtual observatory – 1. SED-fitting performance and forecasts for future imaging surveys Laigle, C.; Davidzon, I.; Ilbert, O. Monthly Notices of the Royal Astronomical Society, Vol. 486, Issue 4 https://doi.org/10.1093/mnras/stz1054	journal	April 2019
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High energy physics and cosmology at the unification frontier: Opportunities and challenges in the coming years Nath, Pran International Journal of Modern Physics A, Vol. 33, Issue 20 https://doi.org/10.1142/s0217751x1830017x	journal	July 2018
The DEIMOS 10K Spectroscopic Survey Catalog of the COSMOS Field Hasinger, G.; Capak, P.; Salvato, M. The Astrophysical Journal, Vol. 858, Issue 2 https://doi.org/10.3847/1538-4357/aabacf	journal	May 2018
LSST: From Science Drivers to Reference Design and Anticipated Data Products Ivezić, Željko; Kahn, Steven M.; Tyson, J. Anthony The Astrophysical Journal, Vol. 873, Issue 2 https://doi.org/10.3847/1538-4357/ab042c	journal	March 2019
LSST: from Science Drivers to Reference Design and Anticipated Data Products Ivezić, Željko; Kahn, Steven M.; Tyson, J. Anthony arXiv https://doi.org/10.48550/arxiv.0805.2366	text	January 2008
The DEIMOS 10k spectroscopic survey catalog of the COSMOS field Hasinger, G.; Capak, P.; Salvato, M. arXiv https://doi.org/10.48550/arxiv.1803.09251	text	January 2018
Cosmological constraints from galaxy-lensing cross correlations using BOSS galaxies with SDSS and CMB lensing Singh, Sukhdeep; Mandelbaum, Rachel; Seljak, Uroš arXiv https://doi.org/10.48550/arxiv.1811.06499	text	January 2018

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