15-20 March 2020
Garching
Europe/Berlin timezone

eROSITA data products and data analysis software

16 Mar 2020, 11:50
20m
Garching

Garching

Oral Presentation SRG Instruments and Operations

Speaker

Hermann Brunner (Max-Planck-Institut für extraterrestrische Physik, Garching)

Description

The eROSITA Ground Segment team has developed a software package (eSASS - eROSITA Science Analysis Software System) for creating calibrated science data products and for performing various interactive data analysis tasks. The eSASS package builds on experience and in part on code from XMM-Newton and ROSAT, though with significant revisions and upgrades. eROSITA telemetry data received during each daily SRG ground contact are pipeline processed at Max-Planck-Institut für extraterrestrische Physik, creating a set of data products, such as calibrated X-ray event lists, images, exposure, background, and sensitivity maps, as well as X-ray sources catalogs and associated source-level products. These data products are made available to authorized users through a Web interface (details of the data access policy are discussed elsewhere). For in-depth interactive data analysis the eSASS package provides command-line tools performing such functions as data selection, source detection and characterization and the creation of spectra and lightcurves among others. All data products are FITS files complying with established standards such that a range of popular X-ray data analysis tools may be used. The eSASS package interacts with an eROSITA calibration database maintained by the eROSITA team.

Presenter status eROSITA consortium member

Primary author

Hermann Brunner (Max-Planck-Institut für extraterrestrische Physik, Garching)

Co-authors

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