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Persistent URL http://purl.org/net/epubs/work/10848036
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Record Id 10848036
Title A Milestone to SPICA Extragalactic Surveys: The AKARI NEP Survey
Abstract Large area surveys in the infrared wavelengths have revealed a significant evolution of the star formation activity of the universe in the past. The extragalactic sur- vey we have conduced with AKARI towards the north ecliptic pole (NEP) is unique, in terms of a comprehensive wavelength coverage from 2 to 24 micron using all 9 photometric bands of the Infrared Camera (IRC). We demonstrate that this IRC all-band photometry is capable of tracing a steep rise in the flux at the blue side of the polycyclic aromatic hydrocarbon (PAH) 6.2 micron emission feature of infrared luminous galaxies at z < 1. This allows us to estimate redshifts of mid-IR sources and identify `ultra-luminous starburst galaxies', based on mid-IR spectral energy distributions (SEDs). SPICA could inherit this unique capability of AKARI and extend the study to typical galaxy populations at z ~ 2, i.e. a critical period of galaxy formation.
Organisation SSTD , STFC
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Language English (EN)
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Paper In Conference Proceedings In SPICA joint European/Japanese Workshop (SPICA Workshop), Oxford, United Kingdom, July 6-8, 2009, SPICA Workshop 2009 (2009). doi:10.1051/spica/200904017 2009