[论文解读] Euclid. I. Overview of the Euclid mission

Euclid Collaboration, Y. Mellier+1138 more|SPIRE - Sciences Po Institutional REpository|May 22, 2024

Historical Astronomy and Related Studies被引用 32

一句话总结

本论文对欧几里得任务进行了概述，介绍了其目标、范围和协作框架，作为多部系列中的第一篇。

ABSTRACT

The current standard model of cosmology successfully describes a variety of measurements, but the nature of its main ingredients, dark matter and dark energy, remains unknown. Euclid is a medium-class mission in the Cosmic Vision 2015-2025 programme of the European Space Agency (ESA) that will provide high-resolution optical imaging, as well as near-infrared imaging and spectroscopy, over about 14,000 deg^2 of extragalactic sky. In addition to accurate weak lensing and clustering measurements that probe structure formation over half of the age of the Universe, its primary probes for cosmology, these exquisite data will enable a wide range of science. This paper provides a high-level overview of the mission, summarising the survey characteristics, the various data-processing steps, and data products. We also highlight the main science objectives and expected performance.

研究动机与目标

• 展示欧几里得任务及其范围的概述。
• 识别协作网络和参与机构。
• 阐述后续论文在欧几里得科学方面的结构与目标。

提出的方法

• 在高层次描述任务架构与科学目标。
• 概述组织结构与主要合作者/机构。
• 概述该系列的进展以及后续论文在详细阐述欧几里得科学方面的作用。

Figure 1: Comparison of the number of redshifts and comoving volume covered by various previous and ongoing spectroscopic surveys against the predictions for Euclid (see text for details). The grey lines show lines of constant number density as labelled.

实验结果

研究问题

• RQ1 欧几里得任务的主要目标和范围是什么？
• RQ2 谁是参与欧几里得的重要合作者和机构？
• RQ3 欧几里得科学计划在一系列论文中的结构是如何安排的？

主要发现

• 欧几里得被展示为一个具有明确范围和协作框架的任务。
• 涉及跨多个国家的广泛机构和合作伙伴。
• 本论文作为欧几里得科学多部分文档中的介绍性概述。

Figure 2: Measured galaxy power spectrum multipoles calculated from dedicated mocks (Pezzotta et al. in prep.) based on the Flagship simulation (see Sect. 6.1 ) of the Euclid emission-line sample for a redshift bin $1.3<z<1.5$ , compared to a best-fit model based on effective field theory (EFT, also