4.2 Article

Identifying clouds over the Pierre Auger Observatory using infrared satellite data

Journal

ASTROPARTICLE PHYSICS
Volume 50-52, Issue -, Pages 92-101

Publisher

ELSEVIER
DOI: 10.1016/j.astropartphys.2013.09.004

Keywords

Ultra-high energy cosmic rays; Pierre Auger Observatory; Extensive air showers; Atmospheric monitoring; Clouds; Satellites

Funding

  1. Comision Nacional de Energia Atomica
  2. Fundacion Antorchas
  3. Gobierno De La Provincia de Mendoza
  4. Municipalidad de Malargue
  5. Direct For Mathematical & Physical Scien
  6. Division Of Physics [1125897, 1068696] Funding Source: National Science Foundation
  7. Division Of Physics
  8. Direct For Mathematical & Physical Scien [1053663, 1361172] Funding Source: National Science Foundation
  9. STFC [ST/J001422/1] Funding Source: UKRI
  10. Science and Technology Facilities Council [ST/J001422/1] Funding Source: researchfish

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We describe a new method of identifying night-time clouds over the Pierre Auger Observatory using infrared data from the Imager instruments on the GOES-12 and GOES-13 satellites. We compare cloud. identifications resulting from our method to those obtained by the Central Laser Facility of the Auger Observatory. Using our new method we can now develop cloud probability maps for the 3000 km(2) of the Pierre Auger Observatory twice per hour with a spatial resolution of similar to 2.4 km by similar to 5.5 km. Our method could also be applied to monitor cloud cover for other ground-based observatories and for space-based observatories. (C) 2013 Elsevier B.V. All rights reserved.

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