Kanzelhöhe Observatory: Instruments, Data Processing and Data Products

Werner Pötzi, Astrid Veronig, Robert Jarolim, Jenny Marcela Rodríguez Gómez, Tatiana Podlachikova, Dietmar Baumgartner, Heinrich Freislich, Heinz Strutzmann

Результат исследований: Вклад в журналСтатьярецензирование

4 Цитирования (Scopus)

Аннотация

Kanzelhöhe Observatory for Solar and Environmental Research (KSO) of the University of Graz (Austria) is in continuous operation since its foundation in 1943. Since the beginning, its main task was the regular observation of the Sun in full disc. In this long time span covering almost seven solar cycles, a substantial amount of data was collected, which is made available online. In this article we describe the separate processing steps from data acquisition to high level products for different observing wavelengths. First of all we present in detail the quality classification, which is important for further processing of the raw images. We show how we construct centre-to-limb variation (CLV) profiles and how we remove large scale intensity variations produced by the telescope optics in order to get images with uniform intensity and contrast. Another important point is an overview of the different data products from raw images to high contrast images with heliographic grids overlaid. As the data products are accessible via different sources, we also present how to get information about the availability and how to obtain these data. Finally, in an appendix, we describe in detail the information in the FITS headers, the file naming and the data hierarchy.

Язык оригиналаАнглийский
Номер статьи164
ЖурналSolar Physics
Том296
Номер выпуска11
DOI
СостояниеОпубликовано - нояб. 2021

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