Herschel observations in the AKARI NEP field: initial source counts

Pearson, Chris; Cheale, Ryan; Serjeant, Stephen; Matsuhara, Hideo; White, Glenn J.; Burgarella, Denis; Valtchanov, Ivan; Altieri, Bruno; Clements, David L. and Hopwood, Ros (2017). Herschel observations in the AKARI NEP field: initial source counts. Publications of The Korean Astronomical Society, 32(1) pp. 219–223.

DOI: https://doi.org/10.5303/PKAS.2017.32.1.219


The preliminary data reduction, analysis and first results from the Herschel survey of the AKARI NEP field are presented. Herschel SPIRE observations of the NEP-Wide region and PACS observations of the NEP-Deep region have yielded galaxy catalogues of 4000 and 900 sources respectively down to flux density levels of approximately 15 mJy at 100-250 microns. Source counts produced from these catalogues reach cosmologically significant depths tracing the evolutionary upturn and turnover in the source counts. The source counts are in agreement with other large area surveys carried out with Herschel bridging the gap between the shallow and deep Herschel surveys.

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