4.6 Article

The DECam Plane Survey: Optical Photometry of Two Billion Objects in the Southern Galactic Plane

Journal

ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES
Volume 234, Issue 2, Pages -

Publisher

IOP Publishing Ltd
DOI: 10.3847/1538-4365/aaa3e2

Keywords

catalogs; surveys; techniques: photometric

Funding

  1. NASA through Hubble Fellowship grant - Space Telescope Science Institute [HST-HF2-51367.001-A]
  2. NASA [NAS 5-26555]
  3. NSF [AST-1312891, AST-1614941]
  4. FAS Division of Science, Research Computing Group at Harvard University
  5. Office of Science of the U.S. Department of Energy [DE-AC02-05CH11231]
  6. National Science Foundation Major Research Instrumentation program [ACI-1429830]
  7. U.S. Department of Energy
  8. U.S. National Science Foundation
  9. Ministry of Science and Education of Spain
  10. Science and Technology Facilities Council of the United Kingdom
  11. Higher Education Funding Council for England
  12. National Center for Supercomputing Applications at the University of Illinois at Urbana-Champaign
  13. Kavli Institute of Cosmological Physics at the University of Chicago
  14. Center for Cosmology and Astro-Particle Physics at the Ohio State University
  15. Mitchell Institute for Fundamental Physics and Astronomy at Texas AM University
  16. Financiadora de Estudos e Projetos
  17. Fundacao Carlos Chagas Filho de Amparo a Pesquisa do Estado do Rio de Janeiro
  18. Conselho Nacional de Desenvolvimento Cientifico e Tecnologico
  19. Ministerio da Ciencia, Tecnologia e Inovacao
  20. Deutsche Forschungsgemeinschaft
  21. Argonne National Laboratory
  22. University of California at Santa Cruz
  23. University of Cambridge
  24. Centro de Investigaciones Energeticas, Medioambientales y Tecnologicas-Madrid
  25. University of Chicago
  26. University College London
  27. DES-Brazil Consortium
  28. University of Edinburgh
  29. Eidgenossische Technische Hochschule (ETH) Zurich
  30. Fermi National Accelerator Laboratory
  31. University of Illinois at Urbana-Champaign
  32. Institut de Ciencies de l'Espai (IEEC/CSIC)
  33. Institut de Fisica d'Altes Energies
  34. Lawrence Berkeley National Laboratory
  35. Ludwig-Maximilians Universitat Munchen
  36. associated Excellence Cluster Universe
  37. University of Michigan
  38. National Optical Astronomy Observatory
  39. University of Nottingham
  40. Ohio State University
  41. University of Pennsylvania
  42. University of Portsmouth
  43. SLAC National Accelerator Laboratory, Stanford University
  44. University of Sussex
  45. Texas AM University
  46. National Aeronautics and Space Administration through the Planetary Science Division of the NASA Science Mission Directorate [NNX08AR22G]
  47. National Science Foundation [AST-1238877]
  48. Office of Advanced Cyberinfrastructure (OAC)
  49. Direct For Computer & Info Scie & Enginr [1429830] Funding Source: National Science Foundation

Ask authors/readers for more resources

The DECam Plane Survey is a five-band optical and near-infrared survey of the southern Galactic plane with the Dark Energy Camera at Cerro Tololo. The survey is designed to reach past the main-sequence turn-off of old populations at the distance of the Galactic center through a reddening E(B - V) of 1.5. mag. Typical single-exposure depths are 23.7, 22.8, 22.3, 21.9, and 21.0 mag (AB) in the grizY bands, with seeing around 1 ''. The footprint covers the Galactic plane with vertical bar b vertical bar less than or similar to 4 degrees, 5 degrees > l > -120 degrees. The survey pipeline simultaneously solves for the positions and fluxes of tens of thousands of sources in each image, delivering positions and fluxes of roughly two billion stars with better than 10 mmag precision. Most of these objects are highly reddened and deep in the Galactic disk, probing the structure and properties of the Milky Way and its interstellar medium. The fully-processed images and derived catalogs are publicly available.

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