Knowledgebase:
What HIFI Ancillary Data Products are available?
Posted by Mark Kidger, Last modified by Mark Kidger on 12 September 2018 09:02 AM


Ancillary Data Products (ADPs) are data products that correspond to an instrument or too the observatory rather than to a single science observation. These include a wide variety of engineering and diagnostic data. The Herschel Science Centre has produced a short videotutorial with an overview of the many HIFI ADPs that are available. You can find the short videotutorial here:

https://www.youtube.com/watch?v=_PTe-SkVVrc

The HIFI ADPs include the PSF for the instrument, the prime calibrator models (Mars), plus a large quantity of engineering, trend analysis and quality data. Examples of the ADPs and the data that they contain are shown in the short videotutorial, such as the HIFI 2D beam model, the azimuthally averaged profile and the Encircled Energy Fraction and the gas cell spectra from pre-launch.
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