SDO Data Access And Analysis

Details SDO Data Access And Analysis SDO Data Access And Analysis

Dec 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010agufmsh23c1870s&link_type=abstract

American Geophysical Union, Fall Meeting 2010, abstract #SH23C-1870

Astronomy and Astrophysics

Astrophysics

[1938] Informatics / Knowledge Representation And Knowledge Bases, [1946] Informatics / Metadata, [1996] Informatics / Web Services, [7500] Solar Physics, Astrophysics, And Astronomy

Scientific paper

The Heliophysics Event Knowledgebase (HEK), Event Detection System (EDS), iSolSearch, Panorama, Event Viewer and Control Software (EVACS), and a variety of SolarSoft routines all work together to provide a suite of tools to facilitate access and analysis of SDO data. The HEK, which consists of the Heliophysics Event Registry (HER) and the Heliophysics Coverage Registry (HCR), uses XML formats built upon the IVOA VOEvent specification to ingest, store, and search events. Web services and SolarSoft routines are available to make use of these functions. The EDS is one of the sources that provides events for ingest into the HEK. The EDS continuously runs feature finding modules on SDO data. It's a distributed system that allows it to keep up with SDO's data rate. iSolSearch allows the user to browse the events in the HER and search for events given a specific time interval and other constraints. Panorama is the 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 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. Panorama harnesses the power of the GPU and OpenGL fragment shaders to enable stunning visualization. EVACS provides a JOGL powered GUI that the user can search both the HER and HCR with. EVACS displays the searched for events on a full disk magnetogram of the sun while displaying more detailed information for events. EVACS can also be used to launch Panorama with a selected set of FITS or PRGB files, as well as control many aspects of Panorama. A host of SolarSoft routines are available to not only access functions of the HEK, but to also access metadata and/or image data from the Joint Science Operations Center (JSOC). Routines are also provided to create cutout images and movies of SDO data. A data order web page is provided to allow a casual user to order cutouts or full disk images. This page will make use of both the SSW cutout service as well as the JSOC cutout service.

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