北极一个新的HST/Herschel深场：为JWST、SPICA和Euclid铺平道路
A new HST/Herschel deep field at the North Ecliptic Pole: preparing the way for JWST, SPICA and Euclid
摘要：
我们建议在北极进行一次协调的多观测站调查。这一区域是大多数空间天文台（例如，包含最深的普朗克、WISE和eROSITA数据）的天然河外深场位置，位于赫歇尔、哈勃空间望远镜、联合天文望远镜等的连续观测区，是SPICA L2晕轨道的天然高能见度区域，已计划进行深场和宽场遗留观测。该领域也是一个可能的深度调查位置为即将到来的欧几里德任务。它本身已经是一个多波长的遗留领域（例如AKARI，LOFAR，SCUBA-2）：在这个领域中，没有其他地方的杰出和无与伦比的连续中红外测光覆盖范围，通过跨越红移PAH和硅酸盐特征的波长以及AGN热尘埃的峰值能量输出，可以实现任何其他调查领域无法实现的广泛的星系演化诊断。我们认为，从欧几里得和JWST的科学需要出发，以及从比较多波长深度出发，逻辑方法是（1）NEP中超过~10平方弧分的深（H-UDF）UV/光学瓦片，以及（2）覆盖>100平方弧分的重叠宽场UV/光学HST调查层，具有协调的submm SPIRE映射，其在更宽的区域上达到或超过submm点源混淆极限，并且PACS数据在较浅的HST层上。
英文摘要：
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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