The DECam Local Volume Exploration Survey Data Release 2
A. Drlica-WagnerKavli Institute for Cosmological Physics, University of Chicago, Chicago, IL 60637, USAP. S. FergusonPhysics Department, 2320 Chamberlin Hall, University of Wisconsin-Madison, 1150 University Avenue, Madison, WI 53706-1390, USAM. AdamówCenter for Astrophysical Surveys, National Center for Supercomputing Applications, 1205 West Clark Street, Urbana, IL 61801, USAM. AguenaLaboratório Interinstitucional de e-Astronomia—LIneA, Rua Gal. José Cristino 77, Rio de Janeiro, RJ—20921-400, BrazilS. AllamFermi National Accelerator Laboratory, P.O. Box 500, Batavia, IL 60510, USAF. Andrade-OliveiraDepartment of Physics, University of Michigan, Ann Arbor, MI 48109, USADavid BaconInstitute of Cosmology and Gravitation, University of Portsmouth, Portsmouth, PO1 3FX, UKK. BechtolPhysics Department, 2320 Chamberlin Hall, University of Wisconsin-Madison, 1150 University Avenue, Madison, WI 53706-1390, USAEric F. BellDepartment of Astronomy, University of Michigan, 1085 South University Avenue, Ann Arbor, 48109-1107, USAE. BertinCNRS, UMR 7095, Institut d'Astrophysique de Paris, F-75014, Paris, FranceP. BilajiKavli Institute for Cosmological Physics, University of Chicago, Chicago, IL 60637, USAS. BocquetUniversity Observatory, Faculty of Physics, Ludwig-Maximilians-Universität, Scheinerstraße 1, D-81679 Munich, GermanyClécio R. BomCentro Brasileiro de Pesquisas Físicas, Rua Dr. Xavier Sigaud 150, 22290-180 Rio de Janeiro, RJ, BrazilDavid BrooksDepartment of Physics & Astronomy, University College London, Gower Street, London, WC1E 6BT, UKD. L. BurkeSLAC National Accelerator Laboratory, Menlo Park, CA 94025, USAJ. A. Carballo-BelloInstituto de Alta Investigación, Sede Esmeralda, Universidad de Tarapacá, Avenida Luis Emilio Recabarren 2477, Iquique, ChileJeffrey L. CarlinA. Carnero RosellInstituto de Astrofisica de Canarias, E-38205 La Laguna, Tenerife, SpainM. Carrasco KindDepartment of Astronomy, University of Illinois at Urbana-Champaign, 1002 West 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. CastanderInstitut d'Estudis Espacials de Catalunya (IEEC), E-08034 Barcelona, SpainW. CernyDepartment of Astronomy and Astrophysics, University of Chicago, Chicago, IL 60637, USAC. ChangKavli Institute for Cosmological Physics, University of Chicago, Chicago, IL 60637, USAY. ChoiSpace Telescope Science Institute, 3700 San Martin Drive, Baltimore, MD 21218, USAChristopher J. ConseliceUniversity of Nottingham, School of Physics and Astronomy, Nottingham, NG7 2RD, UKM. CostanziAstronomy Unit, Department of Physics, University of Trieste, via Tiepolo 11, I-34131 Trieste, ItalyDenija CrnojevićDepartment of Chemistry and Physics, University of Tampa, 401 West Kennedy Boulevard, Tampa, FL 33606, USAL. N. da CostaObservatório Nacional, Rua Gal. José Cristino 77, Rio de Janeiro, RJ—20921-400, BrazilJ. De VicenteCentro de Investigaciones Energéticas, Medioambientales y Tecnológicas (CIEMAT), Madrid, SpainS. DesaiDepartment of Physics, IIT Hyderabad, Kandi, Telangana 502285, IndiaJ. EstevesDepartment of Physics, University of Michigan, Ann Arbor, MI 48109, USAS. EverettI. FerreroInstitute of Theoretical Astrophysics, University of Oslo, P.O. Box 1029 Blindern, NO-0315 Oslo, NorwayM. FitzpatrickNSF's National Optical-Infrared Astronomy Research Laboratory, 950 North Cherry Avenue, Tucson, AZ 85719, USAB. FlaugherFermi National Accelerator Laboratory, P.O. Box 500, Batavia, IL 60510, USAD. N. FriedelCenter for Astrophysical Surveys, National Center for Supercomputing Applications, 1205 West Clark Street, Urbana, IL 61801, USAJ. FriemanKavli Institute for Cosmological Physics, University of Chicago, Chicago, IL 60637, USAJ. García-BellidoInstituto de Fisica Teorica UAM/CSIC, Universidad Autonoma de Madrid, E-28049 Madrid, SpainM. GattiDepartment of Physics and Astronomy, University of Pennsylvania, Philadelphia, PA 19104, USAE. GaztañagaInstitut d'Estudis Espacials de Catalunya (IEEC), E-08034 Barcelona, SpainD. W. GerdesDepartment of Physics, University of Michigan, Ann Arbor, MI 48109, USAD. GruenUniversity Observatory, Faculty of Physics, Ludwig-Maximilians-Universität, Scheinerstraße 1, D-81679 Munich, GermanyR. A. GruendlDepartment of Astronomy, University of Illinois at Urbana-Champaign, 1002 West Green Street, Urbana, IL 61801, USAJ. GschwendLaboratório Interinstitucional de e-Astronomia—LIneA, Rua Gal. José Cristino 77, Rio de Janeiro, RJ—20921-400, BrazilW. G. HartleyDepartment of Astronomy, University of Geneva, chemin d'Écogia 16, CH-1290 Versoix, SwitzerlandD. Hernández-LangFaculty of Physics, Ludwig-Maximilians-Universität, Scheinerstraße 1, D-81679 Munich, GermanyS. R. HintonSchool of Mathematics and Physics, University of Queensland, Brisbane, QLD 4072, AustraliaD. L. HollowoodK. HonscheidDepartment of Physics, The Ohio State University, Columbus, OH 43210, USAAllison HughesAlice JacquesNSF's National Optical-Infrared Astronomy Research Laboratory, 950 North Cherry Avenue, Tucson, AZ 85719, USAD. J. JamesASTRAVEO LLC, PO Box 1668, Gloucester, MA 01931, USAM. D. JohnsonCenter for Astrophysical Surveys, National Center for Supercomputing Applications, 1205 West Clark Street, Urbana, IL 61801, USAK. KuehnLowell Observatory, 1400 Mars Hill Rd, Flagstaff, AZ 86001, USAN. KuropatkinFermi National Accelerator Laboratory, P.O. Box 500, Batavia, IL 60510, USAO. LahavDepartment of Physics & Astronomy, University College London, Gower Street, London, WC1E 6BT, UKTing S. LiDepartment of Astronomy and Astrophysics, University of Toronto, 50 St. George Street, Toronto ON, M5S 3H4, CanadaC. LidmanThe Research School of Astronomy and Astrophysics, Australian National University, ACT 2601, AustraliaH. LinFermi National Accelerator Laboratory, P.O. Box 500, Batavia, IL 60510, USAM. MarchDepartment of Physics and Astronomy, University of Pennsylvania, Philadelphia, PA 19104, USAJ. L. MarshallGeorge P. and Cynthia Woods Mitchell Institute for Fundamental Physics and Astronomy, and Department of Physics and Astronomy, Texas A&M University, College Station, TX 77843, USADavid Martínez‐DelgadoInstituto de Astrofísica de Andalucía, CSIC, E-18080 Granada, SpainC. E. Martínez-VázquezCerro Tololo Inter-American Observatory, NSF's National Optical-Infrared Astronomy Research Laboratory, Casilla 603, La Serena, ChilePol MassanaDepartment of Physics, Montana State University, P.O. Box 173840, Bozeman, MT 59717-3840, USAS. MauDepartment of Physics, Stanford University, 382 Via Pueblo Mall, Stanford, CA 94305, USAM. McNannaPhysics Department, 2320 Chamberlin Hall, University of Wisconsin-Madison, 1150 University Avenue, Madison, WI 53706-1390, USAP. MelchiorDepartment of Astrophysical Sciences, Princeton University, Peyton Hall, Princeton, NJ 08544, USAF. MenanteauCenter for Astrophysical Surveys, National Center for Supercomputing Applications, 1205 West Clark Street, Urbana, IL 61801, USAAmy E. Stevens MillerLeibniz-Institut für Astrophysik Potsdam (AIP), An der Sternwarte 16, D-14482 Potsdam, GermanyR. MiquelInstitució Catalana de Recerca i Estudis Avançats, E-08010 Barcelona, SpainRicardo R. MuñozUniversity Observatory, Faculty of Physics, Ludwig-Maximilians-Universität, Scheinerstraße 1, D-81679 Munich, GermanyR. MorganPhysics Department, 2320 Chamberlin Hall, University of Wisconsin-Madison, 1150 University Avenue, Madison, WI 53706-1390, USABurçı̇n Mutlu-Pakdı̇lKavli Institute for Cosmological Physics, University of Chicago, Chicago, IL 60637, USARobyn L. MunozDepartamento de Astronomía, Universidad de Chile, Camino El Observatorio 1515, Las Condes, Santiago, ChileEric H. NeilsenFermi National Accelerator Laboratory, P.O. Box 500, Batavia, IL 60510, USADavid L. NideverDepartment of Physics, Montana State University, P.O. Box 173840, Bozeman, MT 59717-3840, USARobert NikuttaNSF's National Optical-Infrared Astronomy Research Laboratory, 950 North Cherry Avenue, Tucson, AZ 85719, USAJ. L. Nilo CastellonDepartamento de Astronomía, Universidad de La Serena, Avenida Juan Cisternas 1200, La Serena, ChileN. E. D. NoëlDepartment of Physics, University of Surrey, Guildford GU2 7XH, UKR. L. C. OgandoObservatório Nacional, Rua Gal. José Cristino 77, Rio de Janeiro, RJ—20921-400, BrazilKnut OlsenNSF's National Optical-Infrared Astronomy Research Laboratory, 950 North Cherry Avenue, Tucson, AZ 85719, USAAndrew B. PaceMcWilliams Center for Cosmology, Carnegie Mellon University, 5000 Forbes Avenue, Pittsburgh, PA 15213, USAA. PalmeseDepartment of Astronomy, University of California, Berkeley, 501 Campbell Hall, Berkeley, CA 94720, USAF. Paz-ChinchónCenter for Astrophysical Surveys, National Center for Supercomputing Applications, 1205 West Clark Street, Urbana, IL 61801, USAM. E. S. PereiraHamburger Sternwarte, Universität Hamburg, Gojenbergsweg 112, D-21029 Hamburg, GermanyA. PieresObservatório Nacional, Rua Gal. José Cristino 77, Rio de Janeiro, RJ—20921-400, BrazilA. A. PlazasDepartment of Astrophysical Sciences, Princeton University, Peyton Hall, Princeton, NJ 08544, USAJ. PratDepartment of Astronomy and Astrophysics, University of Chicago, Chicago, IL 60637, USAA. H. RileyGeorge P. and Cynthia Woods Mitchell Institute for Fundamental Physics and Astronomy, and Department of Physics and Astronomy, Texas A&M University, College Station, TX 77843, USAM. Rodriguez-MonroyLaboratoire de physique des 2 infinis Irène Joliot-Curie, CNRS Université Paris-Saclay, Bât. 100, Faculté des sciences, F-91405 Orsay Cedex, FranceA. K. RomerDepartment of Physics and Astronomy, Pevensey Building, University of Sussex, Brighton, BN1 9QH, UKA. RoodmanKavli Institute for Particle Astrophysics & Cosmology, P.O. Box 2450, Stanford University, Stanford, CA 94305, USAM. ŠakoDepartment of Physics and Astronomy, University of Pennsylvania, Philadelphia, PA 19104, USAJ. D. SakowskaDepartment of Physics, University of Surrey, Guildford GU2 7XH, UKE. SánchezCentro de Investigaciones Energéticas, Medioambientales y Tecnológicas (CIEMAT), Madrid, SpainJavier SánchezFermi National Accelerator Laboratory, P.O. Box 500, Batavia, IL 60510, USADavid SandL. Santana-SilvaNAT-Universidade Cruzeiro do Sul/Universidade Cidade de São Paulo, Rua Galvão Bueno, 868, 01506-000, São Paulo, SP, BrazilB. X. SantiagoInstituto de Física, UFRGS, Caixa Postal 15051, Porto Alegre, RS—91501-970, BrazilM. SchubnellDepartment of Physics, University of Michigan, Ann Arbor, MI 48109, USA
2022en
ABI
Annotatsiya
Abstract We present the second public data release (DR2) from the DECam Local Volume Exploration survey (DELVE). DELVE DR2 combines new DECam observations with archival DECam data from the Dark Energy Survey, the DECam Legacy Survey, and other DECam community programs. DELVE DR2 consists of ∼160,000 exposures that cover >21,000 deg 2 of the high-Galactic-latitude (∣ b ∣ > 10°) sky in four broadband optical/near-infrared filters ( g , r , i , z ). DELVE DR2 provides point-source and automatic aperture photometry for ∼2.5 billion astronomical sources with a median 5 σ point-source depth of g = 24.3, r = 23.9, i = 23.5, and z = 22.8 mag. A region of ∼17,000 deg 2 has been imaged in all four filters, providing four-band photometric measurements for ∼618 million astronomical sources. DELVE DR2 covers more than 4 times the area of the previous DELVE data release and contains roughly 5 times as many astronomical objects. DELVE DR2 is publicly available via the NOIRLab Astro Data Lab science platform.
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