A new HST/Herschel deep field at the North Ecliptic Pole: preparing the way for JWST, SPICA and Euclid

Serjeant, Stephen; Buat, Veronique; Burgarella, Denis; De Zotti, Gianfranco; Goto, Tomo; Hatsukade, Bunyo; Hopwood, Rosalind; Hwang, Narae; Inami, Hanae; Jeong, Woong-Seob; Krumpe, Mirko; Lee, Myung Gyoon; Malkan, Matt; Matsuhara, Hideo; Miyaji, Takamitsu; Oyabu, Shinki; Pearson, Chris; Takeuchi, Tsutomu; Vaccari, Mattia; Valtchanov, Ivan; van der Werf, Paul; Wada, Takehiko and White, Glenn (2012). A new HST/Herschel deep field at the North Ecliptic Pole: preparing the way for JWST, SPICA and Euclid. arXiv.

URL: http://arxiv.org/abs/1209.3790


We propose a co-ordinated multi-observatory survey at the North Ecliptic Pole. This field is the natural extragalactic deep field location for most space observatories (e.g. containing the deepest Planck, WISE and eROSITA data), is in the continuous viewing zones for e.g. Herschel, HST, JWST, and is a natural high-visibility field for the L2 halo orbit of SPICA with deep and wide-field legacy surveys already planned. The field is also a likely deep survey location for the forthcoming Euclid mission. It is already a multi-wavelength legacy field in its own right (e.g. AKARI, LOFAR, SCUBA-2): the outstanding and unparalleled continuous mid-IR photometric coverage in this field and nowhere else enables a wide range of galaxy evolution diagnostics unachievable in any other survey field, by spanning the wavelengths of redshifted PAH and silicate features and the peak energy output of AGN hot dust. We argue from the science needs of Euclid and JWST, and from the comparative multiwavelength depths, that the logical approach is (1) a deep (H-UDF) UV/optical tile in the NEP over ~10 square arcminutes, and (2) an overlapping wide-field UV/optical HST survey tier covering >100 square arcminutes, with co-ordinated submm SPIRE mapping up to or beyond the submm point source confusion limit over a wider area and PACS data over the shallower HST tier.

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