Overview of North Ecliptic Pole deep multi-wavelength survey (NEP-DEEP)

Matsuhara, H.; Wada, T.; Oi, N.; Takagi, T.; Nakagawa, T.; Murata, K.; Goto, T.; Oyabu, S.; Takeuchi, T.T.; Malek, K.; Solarz, A.; Ohyama, Y.; Miyaji, T.; Krumpe, M.; Lee, H.M.; Pearson, C.P; Serjeant, Stephen; White, G. J.; Malkan, M.A.; Hanami, H.; Ishigaki, T.; Burgarella, D.; Buat, V. and Pollo, A. (2017). Overview of North Ecliptic Pole deep multi-wavelength survey (NEP-DEEP). Publications of The Korean Astronomical Society, 32(1) pp. 213–217.

DOI: https://doi.org/10.5303/PKAS.2017.32.1.213


The recent updates of the North Ecliptic Pole deep (0.5 deg2 , NEP-Deep) multi-wavelength survey covering from X-ray to radio-wave is presented. The NEP-Deep provides us with several thousands of 15 µm or 18 µm selected galaxies, which is the largest sample ever made at these wavelengths. A continuous filter coverage in the mid-infrared wavelength (7, 9, 11, 15, 18, and 24 µm) is unique and vital to diagnose the contributions from starbursts and AGNs in the galaxies out to z=2. The new goal of the project is to resolve the nature of the cosmic star formation history at the violent epoch (e.g. z=1–2), and to find a clue to understand its decline from z=1 to present universe by utilizing the unique power of the multiwavelength survey. The progress in this context is briefly mentioned.

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