Miscellaneous Information

Miscellaneous Information

Abstract Reference: 31128
Identifier: P4.15
Presentation: Poster presentation
Key Theme: 4 Long-term Management of Data Archives

The pipeline for the ExoMars DREAMS scientific data archiving

Schipani Pietro, Marty Laurent, Mannetta Marco, Esposito Francesca, Molfese Cesare, Aboudan Alessio, Victor Apestigue-Palacio, Arruego-Rodriguez Ignacio, Bettanini Carlo, Colombatti Giacomo, Debei Stefano, Genzer Maria, Harri Ari-Matti, Marchetti Ernesto, Montmessin Franck, Mugnuolo Raffaele, Pirrotta Simone, Wilson Colin

DREAMS (Dust Characterisation, Risk Assessment, and Environment Analyser on the Martian Surface) is a payload accommodated on the Schiaparelli Entry and Descent Module (EDM) of ExoMars 2016, the ESA – Roscosmos mission to Mars successfully launched on 14 March 2016. The DREAMS data are to be archived into the European Space Agency's Planetary Science Archive (PSA), the central repository for all scientific and engineering data returned by ESA's Solar System missions. The ExoMars mission and consequently the DREAMS archive adopts the NASA's Planetary Data System (PDS) standards as a baseline for the formatting and structure of all data. The PDS standard provides guidelines on how the DREAMS team should construct a data set suitable for long-term archiving. This standard contains requirements in terms of data set structure and documentation that should allow for any DREAMS data to be used and understood for many years after the end of the mission. In PDS, each data product is associated to a label containing full details on the structure and content of the product. The users receive many useful information through the labels provided with each product, that contain the meta-data needed for a tool to access and interpret the product. The ExoMars mission and DREAMS adopt the PDS version 4 standards, acknowledged as PDS4. PDS4 has a modernized approach to archiving data within the PDS; labels are expressed as XML documents that are tied to a centralized, self-consistent model providing uniformity across the PDS. In order to ensure compliance with the PDS standards and with all of the requirements for ingestion and release in the PSA, several tools are available from ESA and NASA for the data set validation. This paper summarizes the format and content of the DREAMS data products and associated metadata. The pipeline to convert the raw telemetries to the final products for the archive is sketched as well.