30TH INTERNATIONAL COSMIC RAY CONFERENCE Cloud Monitoring at HiRes Detector using Infra-Red Sensors
نویسنده
چکیده
Monitoring of the atmospheric conditions is very important for fluorescence observations. Particularly, the presence of clouds can drastically distort the signal from the extensive air shower. Infra-red (IR) sensors, measuring sky temperature, can help to distinguish clouds, which are usually significantly warmer than clear skies. Array of such sensors, covering the detector’s field of view, was installed, and have been collecting data every minute of detector operation. Using this information, a cloud database was created. This database is used to select cloud free CR events. In this paper we present the description of the array and the method used to analyze IR data.
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