来自Calar Alto的本地宇宙（LUCA）
The Local Universe from Calar Alto (LUCA)
摘要：
LUCA（Local Universe from Calar Alto）是卡拉阿尔托天文台的新一代科学计划。它建议在CAHA 3.5米望远镜上建造一个大型积分场单元（IFU）光谱仪，其中有六千根光纤（IFU-6000），以前所未有的空间分辨率绘制我们的宇宙邻域的3D地图。定义了两个星系样本来绘制本地宇宙：（i）本地体积中的102个星系，达到11 Mpc，（ii）室女星系团中的218个星系。一个补充项目是利用施密特望远镜绘制本宇宙中三个最大的星系M31、M33和M101的地图。在本白皮书中，我们描述了LUCA项目的科学依据和调查策略，以及IFU-6000仪器的技术描述、性能和设计。
英文摘要：
LUCA (Local Universe from Calar Alto) was conceived as a new generation science program for the Calar Alto Observatory. It proposed the construction of a large Integral Field Unit (IFU) spectrograph with six thousands optical fibers (IFU-6000) at the CAHA 3.5-m telescope to map our universe neighborhood in 3D with an unprecedented spatial resolution. Two galaxy samples were defined to map the local universe: (i) 102 galaxies in the Local Volume, out to 11 Mpc, and (ii) 218 galaxies in the Virgo cluster. A complementary project was developed to map the three largest galaxies in the local universe, M31, M33, and M101 with the Schmidt telescope. In this white paper we describe the LUCA Project science justification and survey strategy, as well as a technical description of the IFU-6000 instrument, its performance, and design.
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