Overview of North Ecliptic Pole Deep multi-wavelength Survey (NEP-Deep)
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Overview of North Ecliptic Pole Deep multi-wavelength Survey (NEP-Deep)

  • Author(s): Matsuhara, H
  • Wada, T
  • Oi, N
  • Takagi, T
  • Nakagawa, T
  • Murata, K
  • Goto, T
  • Oyabu, S
  • Takeuchi, TT
  • Malek, K
  • Solarz, A
  • Ohyama, Y
  • Miyaji, T
  • Krumpe, M
  • Lee, HM
  • Im, M
  • Serjeant, S
  • Pearson, CP
  • White, GJ
  • Malkan, MA
  • Hanami, H
  • Ishigaki, T
  • Burgarella, D
  • Buat, V
  • Pollo, A
  • et al.

The recent updates of the North Ecliptic Pole deep (0.5~deg$^2$, NEP-Deep) multi-wavelength survey covering from X-ray to radio-wave is presented. The NEP-Deep provides us with several thousands of 15~$\mu$m or 18~$\mu$m selected sample of galaxies, which is the largest sample ever made at this wavelengths. A continuous filter coverage in the mid-infrared wavelength (7, 9, 11, 15, 18, and 24~$\mu$m) 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 multi-wavelength survey. The progress in this context is briefly mentioned.

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