SSTRED：用于CHROMIS和CRISP的数据和元数据处理管道
SSTRED: Data- and metadata-processing pipeline for CHROMIS and CRISP
摘要：
内容：来自地面高分辨率太阳望远镜的数据只能用于科学校准和处理，这需要有关仪器的详细知识。[...]目的：我们的目标是为观测者提供一个用户友好的数据管道，用于瑞典1米太阳望远镜（SST）的数据，该数据提供科学准备数据以及适当解释和存档所需的元数据。方法：我们简要描述[仪器]。我们总结了从原始数据到FITS文件中科学就绪数据立方体的处理步骤。我们报告校准和补偿数据的缺陷详细。识别、表征和补偿由于波长相关色散引起的\ion{Ca}{ii}数据的未对准。我们描述的强度校准，消除或减少过滤器传输配置文件的影响，以及太阳高度的变化。我们提出REDUX，一个新版本的MOMFBD图像恢复代码，具有多个增强功能和新功能。[...]我们描述如何使用图像恢复[.]。科学就绪的输出以FITS文件的形式提供，元数据符合SOLARNET的建议。数据立方体坐标在世界坐标系（WCS）中指定。腔误差被指定为WCS波长坐标的失真与现有的WCS符号的扩展。我们建立符号指定的参考系斯托克斯矢量[.]。[CRISPEX]已扩展为接受SSTRED输出[...]。结果如下：SSTRED是一种成熟的成像仪器数据处理流水线，已开发并用于SST/CHROMIS成像光谱仪和SST/CRISP分光偏振仪。SSTRED提供了具有良好特征的、科学就绪的、存档质量的FITS文件，以及定义良好的元数据。SSTRED代码以及REDUX和CRISPEX都可以通过git仓库免费获得。
英文摘要：
Context: Data from ground-based, high-resolution solar telescopes can only be used for science with calibrations and processing, which requires detailed knowledge about the instrumentation. [...] Aims: We aim to provide observers with a user-friendly data pipeline for data from the Swedish 1-meter Solar Telescope (SST) that delivers science-ready data together with the metadata needed for proper interpretation and archiving. Methods: We briefly describe the [instrumentation]. We summarize the processing steps from raw data to science-ready data cubes in FITS files. We report calibrations and compensations for data imperfections in detail. Misalignment of \ion{Ca}{ii} data due to wavelength-dependent dispersion is identified, characterized, and compensated for. We describe intensity calibrations that remove or reduce the effects of filter transmission profiles as well as solar elevation changes. We present REDUX, a new version of the MOMFBD image restoration code, with multiple enhancements and new features. [...] We describe how image restoration is used [...]. The science-ready output is delivered in FITS files, with metadata compliant with the SOLARNET recommendations. Data cube coordinates are specified within the World Coordinate System (WCS). Cavity errors are specified as distortions of the WCS wavelength coordinate with an extension of existing WCS notation. We establish notation for specifying the reference system for Stokes vectors [...]. [CRISPEX] has been extended to accept SSTRED output [...]. Results: SSTRED is a mature data-processing pipeline for imaging instruments, developed and used for the SST/CHROMIS imaging spectrometer and the SST/CRISP spectropolarimeter. SSTRED delivers well-characterized, science-ready, archival-quality FITS files with well-defined metadata. The SSTRED code, as well as REDUX and CRISPEX, is freely available through git repositories.
机构、总结、中文摘要均由AI分析而来，可能存在错误，请以论文正文为准。
