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THE AKARI FIS CATALOGUE OF YSOS AND EXTRAGALACTIC OBJECTS
L. Viktor Toth,GABOR MARTON,SAROLTA ZAHORECZ,LAJOS G. BALAZS,ANDREA NAGY 한국천문학회 2017 天文學論叢 Vol.32 No.1
The point sources in the Bright Source Catalogue of the \textit{AKARI} Far-Infrared Surveyor (FIS) were classified based on their FIR and mid-IR fluxes and colours into young stellar object (YSO) and extragalactic source types using a Quadratic Discriminant Analysis method (QDA) and Support Vector Machines (SVM). The reliability of the selection of YSO candidates is high, and the number of known YSO candidates were increased significantly, that we demonstrate in the case of the nearby open cluster {IC348}. Our results show that we can separate galactic and extragalactic \textit{AKARI} point sources in the multidimensioal space of FIR fluxes and colours with high reliability, however, differentiating among the extragalactic sub-types needs further information.