IRAC Observations of the Extended Disk and Halo of M31

Spitzer IRAC Observations of the Extended Disk and Halo of M31 (M31 IRAC) covers the major and minor axes of M31 with total lengths of 6.6 and 4.4 degrees, respectively. The M31 IRAC Catalog includes 426,529 sources. This dataset or service is made available by the Infrared Science Archive (IRSA) at IPAC, which is operated by the California Institute of Technology under contract with the National Aeronautics and Space Administration.

针对M31（仙女座星系）延展盘与星系晕的斯皮策红外阵列相机（Spitzer IRAC）观测数据集（M31 IRAC），覆盖了M31的主轴线与次轴线，总长度分别为6.6度与4.4度。该M31 IRAC星表共收录426529个天体源。本数据集及相关服务由IPAC下属的红外科学档案库（Infrared Science Archive, IRSA）提供，该机构由加州理工学院（California Institute of Technology）依据与美国国家航空航天局（National Aeronautics and Space Administration）签订的合同负责运营。