Dark Energy Survey Year 3 results: calibration of lens sample redshift distributions using clustering redshifts with BOSS/eBOSS
R. CawthonPhysics Department, 2320 Chamberlin Hall, University of Wisconsin-Madison , Madison, WI 53706, USAJ. Elvin-PooleCenter for Cosmology and Astro-Particle Physics, The Ohio State University , Columbus, OH 43210, USAA. PorredonInstitut d’Estudis Espacials de Catalunya (IEEC) , 08034 Barcelona, SpainM. CrocceInstitute of Space Sciences (ICE, CSIC) , Campus UAB, Carrer de Can Magrans, s/n, 08193 Barcelona, SpainG. GianniniInstitut de Física d’Altes Energies (IFAE), The Barcelona Institute of Science and Technology , Campus UAB, 08193 Bellaterra (Barcelona) SpainM. GattiInstitut de Física d’Altes Energies (IFAE), The Barcelona Institute of Science and Technology , Campus UAB, 08193 Bellaterra (Barcelona) SpainA.J. RossCenter for Cosmology and Astro-Particle Physics, The Ohio State University , Columbus, OH 43210, USAE.S. RykoffSLAC National Accelerator Laboratory , Menlo Park, CA 94025, USAA. Carnero RosellInstituto de Astrofisica de Canarias , E-38205 La Laguna, Tenerife, SpainJoseph DeRoseDepartment of Astronomy, University of California , Berkeley, 501 Campbell Hall, Berkeley, CA 94720, USAS. LeeDepartment of Physics, Duke University Durham , NC 27708, USAM Rodriguez-MonroyCentro de Investigaciones Energéticas, Medioambientales y Tecnológicas (CIEMAT) , Madrid, SpainA. AmonStanford UniversityK. BechtolPhysics Department, 2320 Chamberlin Hall, University of Wisconsin-Madison , Madison, WI 53706, USAJ. De VicenteCentro de Investigaciones Energéticas, Medioambientales y Tecnológicas (CIEMAT) , Madrid, SpainD. GruenDepartment of Physics, Stanford University , 382 Via Pueblo Mall, Stanford, CA 94305, USAR. MorganPhysics Department, 2320 Chamberlin Hall, University of Wisconsin-Madison , Madison, WI 53706, USAE. SánchezCentro de Investigaciones Energéticas, Medioambientales y Tecnológicas (CIEMAT) , Madrid, SpainJ SanchezFermi National Accelerator Laboratory , PO Box 500, Batavia, IL 60510, USAI. Sevilla-NoarbeCentro de Investigaciones Energéticas, Medioambientales y Tecnológicas (CIEMAT) , Madrid, SpainT. M. C. AbbottCerro Tololo Inter-American Observatory, NSF’s National Optical-Infrared Astronomy Research Laboratory , Casilla 603, La Serena, ChileM. AguenaDepartamento de Física Matemática, Instituto de Física, Universidade de São Paulo , CP 66318, São Paulo, SP, 05314-970, BrazilS. AllamFermi National Accelerator Laboratory , PO Box 500, Batavia, IL 60510, USAJ AnnisFermi National Accelerator Laboratory , PO Box 500, Batavia, IL 60510, USAS. ÀvilaInstituto de Fisica Teorica UAM/CSIC, Universidad Autonoma de Madrid , 28049 Madrid, SpainD BaconInstitute of Cosmology and Gravitation, University of Portsmouth , Portsmouth, PO1 3FX, UKE. BertinSorbonne UniversitéDavid J. BrooksDepartment of Astronomy, University of Illinois at Urbana-Champaign , 1002 W. Green Street, Urbana, IL 61801, USAD L BurkeStanford UniversityM. Carrasco KindDepartment of Astronomy, University of Illinois at Urbana-Champaign , 1002 W. Green Street, Urbana, IL 61801, USAJ. CarreteroInstitut de Física d’Altes Energies (IFAE), The Barcelona Institute of Science and Technology , Campus UAB, 08193 Bellaterra (Barcelona) SpainF. J. CastanderInstitute of Space Sciences (ICE, CSIC) , Campus UAB, Carrer de Can Magrans, s/n, 08193 Barcelona, SpainA. ChoiCenter for Cosmology and Astro-Particle Physics, The Ohio State University , Columbus, OH 43210, USAM. CostanziInstitute for Fundamental Physics of the Universe , Via Beirut 2, 34014 Trieste, ItalyL. N. da CostaLaboratório Interinstitucional de e-AstronomiaM. E. S. PereiraDepartment of Physics, University of Michigan , Ann Arbor, MI 48109, USAKyle DawsonDepartment of Physics and Astronomy, University of Utah , 115 S. 1400 E., Salt Lake City, UT 84112, USAS. DesaiDepartment of Physics, IIT Hyderabad , Kandi, Telangana 502285, IndiaH. T. DiehlFermi National Accelerator Laboratory , PO Box 500, Batavia, IL 60510, USAK EckertDepartment of Physics and Astronomy, University of Pennsylvania , Philadelphia, PA 19104, USAS EverettI. FerreroInstitute of Theoretical Astrophysics, University of Oslo , P.O. Box 1029 Blindern, NO-0315 Oslo, NorwayP FosalbaInstitute of Space Sciences (ICE, CSIC) , Campus UAB, Carrer de Can Magrans, s/n, 08193 Barcelona, SpainJ FriemanFermi National Accelerator Laboratory , PO Box 500, Batavia, IL 60510, USAJ. García-BellidoInstituto de Fisica Teorica UAM/CSIC, Universidad Autonoma de Madrid , 28049 Madrid, SpainE. GaztañagaInstitut d’Estudis Espacials de Catalunya (IEEC) , 08034 Barcelona, SpainR. A. GruendlDepartment of Astronomy, University of Illinois at Urbana-Champaign , 1002 W. Green Street, Urbana, IL 61801, USAJ GschwendObservatório Nacional , Rua Gal. José Cristino 77, Rio de Janeiro, RJ - 20921-400, BrazilG GutierrezFermi National Accelerator Laboratory , PO Box 500, Batavia, IL 60510, USAS R HintonSchool of Mathematics and Physics, University of Queensland , Brisbane, QLD 4072, AustraliaD L HollowoodK HonscheidCenter for Cosmology and Astro-Particle Physics, The Ohio State University , Columbus, OH 43210, USADragan HutererDepartment of Physics, University of Michigan , Ann Arbor, MI 48109, USAD. J. JamesCenter for Astrophysics | Harvard & Smithsonian , 60 Garden Street, Cambridge, MA 02138, USAAlex KimLawrence Berkeley National Laboratory , 1 Cyclotron Road, Berkeley, CA 94720, USAJ-P KneibInstitute of Physics, Laboratory of Astrophysics, Ecole Polytechnique Fédérale de Lausanne (EPFL) , Observatoire de Sauverny, 1290 Versoix, SwitzerlandK. KuehnMacquarie UniversityN. KuropatkinFermi National Accelerator Laboratory , PO Box 500, Batavia, IL 60510, USAO. LahavDepartment of Physics and Astronomy, University College London , Gower Street, London, WC1E 6BT, UKM. LimaDepartamento de Física Matemática, Instituto de Física, Universidade de São Paulo , CP 66318, São Paulo, SP, 05314-970, BrazilH. LinFermi National Accelerator Laboratory , PO Box 500, Batavia, IL 60510, USAM A G MaiaObservatório Nacional , Rua Gal. José Cristino 77, Rio de Janeiro, RJ - 20921-400, BrazilP MelchiorDepartment of Astrophysical Sciences, Princeton University , Peyton Hall, Princeton, NJ 08544, USAF. MenanteauNational Center for Supercomputing Applications , 1205 West Clark St., Urbana, IL 61801, USAR. MiquelInstitució Catalana de Recerca i Estudis Avançats , E-08010 Barcelona, SpainJ. J. MohrFaculty of Physics, Ludwig-Maximilians-Universität , Scheinerstr. 1, 81679 Munich, GermanyJ. MuirKavli Institute for Particle Astrophysics and Cosmology , PO Box 2450, Stanford University, Stanford, CA 94305, USAJ. MylesSLAC National Accelerator Laboratory , Menlo Park, CA 94025, USAA. PalmeseKavli Institute for Cosmological Physics, University of Chicago , Chicago, IL 60637, USASahil PandeyDepartment of Physics and Astronomy, University of Pennsylvania , Philadelphia, PA 19104, USAF. Paz-ChinchónNational Center for Supercomputing Applications , 1205 West Clark St., Urbana, IL 61801, USAWill J. PercivalWaterloo Centre for Astrophysics, Dept. of Physics and Astronomy, University of Waterloo , 200 University Ave. W., Waterloo ON N2L 3G1, CanadaA A PlazasDepartment of Astrophysical Sciences, Princeton University , Peyton Hall, Princeton, NJ 08544, USAA. RoodmanSLAC National Accelerator Laboratory , Menlo Park, CA 94025, USAGraziano RossiDepartment of Physics and Astronomy, Sejong University , Seoul 143-747, KoreaV. ScarpineFermi National Accelerator Laboratory , PO Box 500, Batavia, IL 60510, USAS. SerranoInstitute of Space Sciences (ICE, CSIC) , Campus UAB, Carrer de Can Magrans, s/n, 08193 Barcelona, SpainM. SmithSchool of Physics and Astronomy, University of Southampton , Southampton, SO17 1BJ, UKM Soares-SantosDepartment of Physics, University of Michigan , Ann Arbor, MI 48109, USAE. SuchytaComputer Science and Mathematics Division , Oak Ridge National Laboratory, Oak Ridge, TN 37831, USAM. E. C. SwansonNational Center for Supercomputing Applications , 1205 West Clark St., Urbana, IL 61801, USAG. TarléDepartment of Physics, University of Michigan , Ann Arbor, MI 48109, USAC. ToKavli Institute for Particle Astrophysics and Cosmology , PO Box 2450, Stanford University, Stanford, CA 94305, USAM. A. TroxelDepartment of Physics, Duke University Durham , NC 27708, USAR. D. WilkinsonDepartment of Physics and Astronomy , Pevensey Building, University of Sussex, Brighton, BN1 9QH, UK
2022en
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ABSTRACT We present clustering redshift measurements for Dark Energy Survey (DES) lens sample galaxies used in weak gravitational lensing and galaxy clustering studies. To perform these measurements, we cross-correlate with spectroscopic galaxies from the Baryon Acoustic Oscillation Survey (BOSS) and its extension, eBOSS. We validate our methodology in simulations, including a new technique to calibrate systematic errors that result from the galaxy clustering bias, and we find that our method is generally unbiased in calibrating the mean redshift. We apply our method to the data, and estimate the redshift distribution for 11 different photometrically selected bins. We find general agreement between clustering redshift and photometric redshift estimates, with differences on the inferred mean redshift found to be below |Δz| = 0.01 in most of the bins. We also test a method to calibrate a width parameter for redshift distributions, which we found necessary to use for some of our samples. Our typical uncertainties on the mean redshift ranged from 0.003 to 0.008, while our uncertainties on the width ranged from 4 to 9 per cent. We discuss how these results calibrate the photometric redshift distributions used in companion papers for DES Year 3 results.
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