Detailed Design of the Heliophysics Event Knowledgebase (HEK)

Details Detailed Design of the Heliophysics Event Knowledgebase (HEK) Detailed Design of the Heliophysics Event Knowledgebase (HEK)

May 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aas...21641504s&link_type=abstract

American Astronomical Society, AAS Meeting #216, #415.04; Bulletin of the American Astronomical Society, Vol. 41, p.825

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Scientific paper

We present the Heliophysics Event Registry (HER) and the Heliophysics Coverage Registry (HCR), which serve as two components of the Heliophysics Event Knowledgebase (HEK). Using standardized XML formats built upon the IVOA VOEvent specification, events can be ingested, stored, and later searched upon. Various web services and SolarSoft routines are available to aid in these functions.
One source of events for the HEK is an automated Event Detection System (EDS) that continuously runs feature finding modules on SDO data. Modules are primarily supplied by the Smithsonian Astrophysical Observatory-led Feature Finding Team. The distributed system will keep up with SDO's data rate and issue space weather alerts in near-real time. Some modules will be run on all data while others are run in response to certain solar phenomena found by other modules in the system.
Panorama is a software tool used for rapid visualization of large volumes of solar image data in multiple channels/wavelengths. With the EVACS front-end GUI tool, Panorama allows the user to, in real-time, change channel pixel scaling, weights, alignment, blending and colorization of the data. The user can also easily create WYSIWYG movies and launch the Annotator tool to describe events and features the user observes in the data. Panorama can also be used to drive clustered HiperSpace walls using the CGLX toolkit.
The Event Viewer and Control Software (EVACS) provides a GUI that the user can search both the HER and HCR with. By specifying a start and end time and selecting the types of events and instruments that are of interest, EVACS will display the events on a full disk image of the sun while displaying more detailed information for the events. As mentioned, the user can also launch Panorama via EVACS.

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