Galactic Plane Infrared Polarization Survey: Data Release 4

The Galactic Plane Infrared Polarization Survey (GPIPS) used the Mimir near-infrared instrument to survey stellar linear polarization in the H-band (1.6 microns) from Galactic longitude 18 to 56 degrees and latitudes -1 to +1 degrees as 3,237 individual pointings of the 10x10 arcmin field of view of the instrument. This file presents values and uncertainties for Mimir H-band photometry and linear polarimetry for over 13 million stars across this portion of the northern Milky Way. Each of the 13,861,329 stars represented in the file has new H-band photometry reported. Of these, 8,486,028 have linear polarimetry reported. In addition, matching Gaia, 2MASS, GLIMPSE, and WISE matching photometry, parallax, and proper motion values are listed for the tabulated stars. Details regarding the data, data processing, and contents of the file contents may be found in the Astrophysical Journal Supplements article Clemens et al. (2020; DOI 10.3847/1538-4365/ab9f30).

银道面红外偏振巡天（Galactic Plane Infrared Polarization Survey, GPIPS）采用Mimir近红外仪器，对银经18°至56°、银纬-1°至+1°的天区开展恒星H波段（1.6微米）线偏振巡天，该仪器的视场为10×10角分，总计完成3237次独立指向观测。本数据集文件提供了银河系北部该天区中超过1300万颗恒星的Mimir仪器H波段测光与线偏振测量值及其不确定度。文件中共收录13861329颗恒星，每一颗均附带全新的H波段测光数据；其中8486028颗恒星还包含线偏振测量结果。此外，本表收录的恒星还附带与盖亚（Gaia）、2微米全天巡天（2MASS）、GLIMPSE巡天以及WISE的交叉匹配测光数据、视差与自行测量值。有关本数据集的数据详情、处理流程与文件内容的详细信息，请参阅《天体物理学杂志增刊》（Astrophysical Journal Supplements）上Clemens等人2020年发表的论文，DOI：10.3847/1538-4365/ab9f30。