![]() The co-added images and Tractor catalogs are presented in "bricks" of approximate So, the listed directory sizes should be viewed as (very reasonable) estimates. This is typically due to updated file compression. *Note that although the contents of a directory should be fixed for each Data Release, the size of a directory can change. Repackaged versions of the Tractor catalogs Log files generated by Tractor processing The size of the DR2 data distribution is:Ĭo-added images, including χ², depth, image, model, nexp, and PNG quality-assurance plots There are approximately 260 million unique sources in DR2 spread over 97,554 bricks.ĭR2 includes the stacked images and the Tractor-based catalogs. In z-band, of which 1807 deg² has been observed in all With 2078 deg² in g-band, 2141 deg² in r-band and 5322 deg² In total, the optical data covers a disjoint footprint Public data from other programs with the footprint, including data taken by theĭark Energy Survey that are now public, in the "stripe 82" region bounded by 315 < G,r,z-band observations from August 2014 through June 2015 for an NOAO survey DR2 includes DECam data primarily from z-band In the equatorial region at δ < +30° using the Dark Energy Camera onĭata Release 2 (DR2) is the second public data release of images and catalogs for The Legacy Survey is providing these data The sky coverage is approximately bounded by ![]() Of extragalactic sky visible from the northern hemisphere in three optical bands The Legacy Survey will produce an inference model of the 14,000 square degrees
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