中文

SO/PHI-HRT 的地面数据处理与定标流水线

太阳与恒星天体物理 2022-09-01 v1 天体物理仪器与方法

摘要

ESA/NASA 的 Solar Orbiter 太阳轨道器空间任务已于 2020 年 2 月成功发射。其搭载的偏振与日震成像仪(SO/PHI)具有两台望远镜:高分辨率望远镜(HRT)与全日面望远镜(FDT)。该仪器旨在通过太阳发射的偏振光的差分成像来反演光球磁场与视线速度。它在 Fe I 617.3 nm 吸收线的 6 个波长位置计算全斯托克斯矢量。由于遥测限制,该仪器通常会在星上处理这些斯托克斯轮廓,但当遥测可用时,原始图像会被下传并在地面处理。本文介绍了 HRT 地面流水线的架构,其还提供了仪器星上目前无法实现的额外校正。该流水线可将原始图像归算为全斯托克斯矢量,偏振灵敏度为 103Ic10^{-3}\cdot I_{c} 或更好。

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引用

@article{arxiv.2208.14904,
  title  = {The on-ground data reduction and calibration pipeline for SO/PHI-HRT},
  author = {J. Sinjan and D. Calchetti and J. Hirzberger and D. Orozco Suárez and K. Albert and N. Albelo Jorge and T. Appourchaux and A. Alvarez-Herrero and J. Blanco Rodríguez and A. Gandorfer and D. Germerott and L. Guerrero and P. Gutierrez Marquez and F. Kahil and M. Kolleck and S. K. Solanki and J. C. del Toro Iniesta and R. Volkmer and J. Woch and B. Fiethe and J. M. Gómez Cama and I. Pérez-Grande and E. Sanchis Kilders and M. Balaguer Jiménez and L. R. Bellot Rubio and M. Carmona and W. Deutsch and G. Fernandez-Rico and A. Fernández-Medina and P. García Parejo and J. L. Gasent Blesa and L. Gizon and B. Grauf and K. Heerlein and A. Korpi-Lagg and T. Lange and A. López Jiménez and T. Maue and R. Meller and H. Michalik and A. Moreno Vacas and R. Müller and E. Nakai and W. Schmidt and J. Schou and U. Schühle and J. Staub and H. Strecker and I. Torralbo and G. Valori},
  journal= {arXiv preprint arXiv:2208.14904},
  year   = {2022}
}