Euclid DR1-Foundation

As it was foretold, today saw the first main data release – termed DR1-Foundation – from the European Space Agency’s Euclid Mission. I’ve taken the liberty of including the official press release below, but first I thought I’d do a quick summary of what this represents. The data products from the Euclid survey are divided into three levels of data processing function: LE1 – the “raw” data frames, prior to calibration, generated at the Science Operations Centre from the time-ordered data and telemetry received from the spacecraft LE2 – the calibrated and corrected data for the two instruments (VIS and NISP) – images, spectra, catalogues of point sources, etc LE3 – the high-level data products (galaxy catalogues, cosmic shear maps, etc) designed for cosmological analysis Today’s release comprises LE1 and LE2 only for just less than 2000 square degrees. This is called DR1-Foundation. The LE3 data will be added next year to make the full DR1. Since LE3 is required for the cosmological…

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