Applying decades of HST experience to JWST data processing

Francesco Pierfederici; Michael Swam; Gretchen Greene

doi:10.1117/12.924906

27 September 2012 Applying decades of HST experience to JWST data processing

Francesco Pierfederici, Michael Swam, Gretchen Greene

Proceedings Volume 8448, Observatory Operations: Strategies, Processes, and Systems IV; 84480N (2012) https://doi.org/10.1117/12.924906
Event: SPIE Astronomical Telescopes + Instrumentation, 2012, Amsterdam, Netherlands

Abstract

The Space Telescope Science Institute (STScI) has been operating the Hubble Space Telescope (HST) since its launch in 1990. The valuable experience gained by running the HST data management system as well as providing data and science software to the community proved extremely valuable in designing the James Webb Space Telescope science data processing (SDP) architecture. The HST experience has been distilled in two main "products": on one hand a rich set of requirements for the full JWST SDP system, on the other a large dataset (using both current and historical instruments) that is of vital importance in exercising and validating the architecture for the new mission. During the past years the JWST project has made significant progress in areas of architecture design, selection of relevant technologies and development of a functional prototype pipeline orchestration and workflow management system (the Condor-based OWL). Recently, the HST mission office has started a three-year project to replace the aging HST SDP system (OPUS) with the one being developed for JWST (OWL). This is proving to be a tremendous opportunity to not only give HST operations a technology refresh; but also validate the architecture being developed for JWST. The present paper describes the lessons learned from HST operations, how we are applying them to JWST design and development as well as our ongoing progress on the joint HST-JWST development and operations.

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Francesco Pierfederici, Michael Swam, and Gretchen Greene "Applying decades of HST experience to JWST data processing", Proc. SPIE 8448, Observatory Operations: Strategies, Processes, and Systems IV, 84480N (27 September 2012); https://doi.org/10.1117/12.924906

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KEYWORDS

Data processing

James Webb Space Telescope

Astronomy

Calibration

Space telescopes

Charge-coupled devices

Computer architecture

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