论文标题
SO/PHI-HRT的地面数据减少和校准管道
The on-ground data reduction and calibration pipeline for SO/PHI-HRT
论文作者
论文摘要
ESA/NASA太阳能轨道仪太空任务已于2020年2月成功启动。船上是极化和热震影像仪（SO/PHI），它具有两个望远镜，一个高分辨率望远镜（HRT）和全盘望远镜（FDT）。该仪器旨在通过太阳发出的偏振光来推断光时磁场和视线速度。它在Fe I 617.3 nm吸收线上以6个波长位置计算完整的Stokes载体。由于遥测限制，该仪器名义上处理了这些stokes档案，但是当可遥测可用时，将原始图像下连接并在地面上降低。在这里，提出了HRT的地面管道的架构，该架构还提供了当前在仪器上尚未提供的其他更正。管道可以将原始图像减少到完整的Stokes向量，其极性灵敏度为$ 10^{ - 3} \ CDOT I_ {C} $或更高。
The ESA/NASA Solar Orbiter space mission has been successfully launched in February 2020. Onboard is the Polarimetric and Helioseismic Imager (SO/PHI), which has two telescopes, a High Resolution Telescope (HRT) and the Full Disc Telescope (FDT). The instrument is designed to infer the photospheric magnetic field and line-of-sight velocity through differential imaging of the polarised light emitted by the Sun. It calculates the full Stokes vector at 6 wavelength positions at the Fe I 617.3 nm absorption line. Due to telemetry constraints, the instrument nominally processes these Stokes profiles onboard, however when telemetry is available, the raw images are downlinked and reduced on ground. Here the architecture of the on-ground pipeline for HRT is presented, which also offers additional corrections not currently available on board the instrument. The pipeline can reduce raw images to the full Stokes vector with a polarimetric sensitivity of $10^{-3}\cdot I_{c}$ or better.
