A Bolometric Receiver for Sunyaev-Zel'dovich measurements with the APEX Telescope

AST-0138348Lee，Adriana毫米波测辐射接收器将为直径12米的阿塔卡马探路者实验(APEX)望远镜与德国波恩的马克斯·普朗克射电天文学研究所(MPIfR)过渡建造。该接收器是一个300个单元的测辐射热接收器，用于150 GHz和217 GHz的观测。测辐射热计将是喇叭耦合的蜘蛛网设备，带有超导晶体管边缘传感器(TES)，每个传感器都使用为1024个元素配置的SQUID电流表读数。该接收器将被用来通过毫米波长的热Sunyaev-Zel‘dovich(SZ)效应来发现和研究星系团。用光学和X射线测量记录的数据，如果与该接收器记录的数据相关联，将有望1.揭示星系的形成历史，2.通过测量其状态方程来探索暗能量的性质，3.测量宇宙学参数，包括质量能量密度和哈勃常数。***

AST-0138348Lee, AdrianA millimeter wave bolometric receiver will be built for the 12-meter diameter Atacama Pathfinder Experiment (APEX) telescope in transition with Max Planck Institute for Radioastronomy (MPIfR) in Bonn, Germany. This receiver is a 300-element bolometric receiver for observations at 150 and 217 GHz. The bolometers will be horn-coupled, spider-web devices with superconducting transistor-edge sensors (TES) each using SQUID ammeter readout configured for 1024 elements. This receiver will be used to discover and study galaxy clusters via the thermal Sunyaev-Zel'dovich (SZ) effect at millimeter wavelengths. Data recorded with optical and x-ray measurements, when correlated with data recorded by this receiver promise to 1. reveal the formation history of galaxies, 2. Probe the nature of dark energy by measuring its equation of state, and 3. measure cosmological parameters including the mass energy density and the Hubble constant. ***