DP0.1 Data Products¶
The DESC DC2 Data Set¶
DP0 is based on the the simulated, LSST-like images generated by the Dark Energy Science Collaboration (DESC) for their Data Challenge 2 (DC2; arXiv:2010.05926). DP0 only uses the 300 square degrees of DC2 images that were simulated for five years of the LSST’s wide-fast-deep component (WFD; also called the main survey) with a baseline cadence (i.e., a fiducial observing strategy). For more information about the LSST regions and cadence see Ivezic et al. (2019).
Simulated Objects and Images: The DC2’s WFD simulated images include galaxies (with large-scale structure), Type Ia supernovae, and stars (10% of which are variable). DP0.1 does not include AGN, strong lenses, solar system objects, non-Ia extragalactic transients, or diffuse features (e.g., tidal streams, intracluster light). The DESC simulated the DC2 images using the imSim package.
Image Processing: The DESC processed the simulated DC2 images with Version 19 of the LSST Science Pipelines. DP0.1 makes the DESC’s DC2 images and catalogs available to RSP users with no further processing. For DP0.2, the Rubin Data Production team will reprocess the same images with the most up-to-date version of the LSST Science Pipelines, and make the results available in mid-2022.
DP0.1 Data Products Definition Document (DPDD)¶
Future data previews and Operations-era data releases will produce images and catalogs that more closely resemble the plan laid out in the DPDD (ls.st/dpdd).