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| Paper: |
Tiling the Euclid Sky |
| Volume: |
532, ASTRONOMICAL DATA ANALYSIS SOFTWARE AND SYSTEMS XXX |
| Page: |
329 |
| Authors: |
Kümmel, M.; T.Vassallo; Dabin, C.; Gracia Carpio, J.; Euclid Consortium |
| Abstract: |
The Euclid satellite is an ESA mission scheduled for launch in September 2022. Its two instruments, the Visible Instrument (VIS) and the Near IR Spectrometer and imaging Photometer (NISP), will survey a large portion of the sky. The data processing, which involves also ground-based imaging data in g,r,i,z is done in pre-defined chunks that cover a specific area on the sky which are called tiles. In this contribution we give the requirements for the tiles and show the methods to create a successful and efficient tiling solution. Each tile consists of an extended area to compute the object properties and a core area to uniquely associate each object to exactly one tile. Special tiling is applied for the Euclid Deep Surveys, to have data transfer and computing time within reasonable limits, and around large galaxies, to avoid problems inflicted by data boundaries. The tiling methods developed for the Euclid surveys can also be translated and applied to other survey projects. |
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