EPJ Web of Conferences
Volume 89, 2015AtmoHEAD 2014: Atmospheric Monitoring for High Energy AstroParticle Detectors
|Number of page(s)||4|
|Section||Instruments and Methods|
|Published online||21 December 2015|
Remote Sensing of Clouds using Satellites, Lidars, CLF/XLF and IR Cameras at the Pierre Auger Observatory
1 Michigan Technological University, Houghton - MI, USA
2 Observatorio Pierre Auger, Av. San Martin Norte 304, 5613 Malargue, Argentina
Published online: 21 December 2015
Clouds in the field of view of the fluorescence detectors affect the detection of the extensive air showers. Several remote sensing techniques are used to detect night-time clouds over the 3000 km2 of the Pierre Auger Observatory. Four lidars at the fluorescence detector sites are performing different patterns of scans of the surrounding sky detecting clouds. Two laser facilities (CLF and XLF) are shooting into the sky delivering cloud cover above them every 15 minutes. Four IR cameras detect the presence of clouds within the FOV of the fluorescence detectors every 5 minutes. A method using GOES-12 and GOES-13 satellites identifies night-time clouds twice per hour with a spatial resolution of 2.4 km by 5.5 km over the Observatory. We upload all this information into several databases to be used for the reconstruction of cosmic ray events and to find exotic events.
© Owned by the authors, published by EDP Sciences, 2015
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