Quick Detection System for Planck satellite |
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| Authors: | J Aatrokoski A Lähteenmäki M Tornikoski E Valtaoja D Maino S Galeotta A Zacchei F Pasian |
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| Institution: | Metsähovi Radio Observatory, Helsinki University of Technology TKK, Metsähovintie 114, FI-02540 Kylmälä, Finland;Helsinki Institute of Physics, Helsinki, Finland;Tuorla Observatory, University of Turku, Väisäläntie 20, FI-21500 Piikkiö, Finland;Department of Physics, University of Turku, FI-20100 Turku, Finland;Dipartimento di Fisica, Universitàdegli Studi di Milano, Via Celoria 16, I-20131 Milano, Italy;Osservatorio Astronomico di Trieste, INAF-OATs, Via Tiepolo 11, I-34143 Trieste, Italy |
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| Abstract: | Q uick D etection S ystem or qds is a software package that has been developed for detecting point sources in the Planck satellite data as soon as the data become available, a few days after transmission to the Earth. Point sources are detected by filtering the data with a filter defined by the Mexican hat wavelet. An alert is generated on those detections that are found to be interesting, such as prominent flaring, according to the criteria specified to the software. The goal is to detect spectral or flux variability in active galactic nuclei so that instant multifrequency follow-up observations with other instruments could be arranged to study the interesting behaviour. |
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| Keywords: | methods: data analysis galaxies: active |
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