4.6 Article

THE EIGHTH DATA RELEASE OF THE SLOAN DIGITAL SKY SURVEY: FIRST DATA FROM SDSS-III

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IOP PUBLISHING LTD
DOI: 10.1088/0067-0049/193/2/29

关键词

atlases; catalogs; surveys

资金

  1. Alfred P. Sloan Foundation
  2. National Science Foundation
  3. US Department of Energy
  4. University of Arizona
  5. Brazilian Participation Group
  6. Brookhaven National Laboratory
  7. University of Cambridge
  8. University of Florida
  9. French Participation Group
  10. German Participation Group
  11. Instituto de Astrofisica de Canarias
  12. Michigan State/Notre Dame/JINA Participation Group
  13. Johns Hopkins University
  14. Lawrence Berkeley National Laboratory
  15. Max Planck Institute for Astrophysics
  16. New Mexico State University
  17. New York University
  18. Ohio State University
  19. Pennsylvania State University
  20. University of Portsmouth
  21. Princeton University
  22. Spanish Participation Group
  23. University of Tokyo
  24. University of Utah
  25. Vanderbilt University
  26. University of Virginia
  27. University of Washington
  28. Yale University
  29. ICREA Funding Source: Custom
  30. Division Of Astronomical Sciences
  31. Direct For Mathematical & Physical Scien [1009886] Funding Source: National Science Foundation
  32. Division Of Astronomical Sciences
  33. Direct For Mathematical & Physical Scien [0909463] Funding Source: National Science Foundation
  34. Division Of Physics
  35. Direct For Mathematical & Physical Scien [1002399] Funding Source: National Science Foundation
  36. Grants-in-Aid for Scientific Research [23540289, 23740144] Funding Source: KAKEN
  37. Science and Technology Facilities Council [ST/I001204/1, ST/H00243X/1, ST/F007531/1, ST/H002774/1] Funding Source: researchfish
  38. STFC [ST/H002774/1, ST/F007531/1, ST/I001204/1] Funding Source: UKRI

向作者/读者索取更多资源

The Sloan Digital Sky Survey (SDSS) started a new phase in 2008 August, with new instrumentation and new surveys focused on Galactic structure and chemical evolution, measurements of the baryon oscillation feature in the clustering of galaxies and the quasar Ly alpha forest, and a radial velocity search for planets around similar to 8000 stars. This paper describes the first data release of SDSS-III (and the eighth counting from the beginning of the SDSS). The release includes five-band imaging of roughly 5200 deg(2) in the southern Galactic cap, bringing the total footprint of the SDSS imaging to 14,555 deg(2), or over a third of the Celestial Sphere. All the imaging data have been reprocessed with an improved sky-subtraction algorithm and a final, self-consistent photometric recalibration and flat-field determination. This release also includes all data from the second phase of the Sloan Extension for Galactic Understanding and Exploration (SEGUE-2), consisting of spectroscopy of approximately 118,000 stars at both high and low Galactic latitudes. All the more than half a million stellar spectra obtained with the SDSS spectrograph have been reprocessed through an improved stellar parameter pipeline, which has better determination of metallicity for high-metallicity stars.

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