Legacy Surveys DR9 Photometric Catalogs for DESI Targets

Overview

This VAC contains merged targeting catalogs (documented here and in Myers et al. (2023)) and Tractor catalog photometry from the DESI Legacy Imaging Surveys Data Release 9 (LS/DR9) for all observed and potential DESI targets (excluding sky fibers) in the Iron (Data Release 1) and Guadalupe (Data Release 1 Supplement) spectroscopic productions.

Data Access

The VACs can be accessed at the following URLs:

https://data.desi.lbl.gov/public/dr1/vac/dr1/lsdr9-photometry/iron/v1.1 https://data.desi.lbl.gov/public/dr1/vac/dr1/lsdr9-photometry/guadalupe/v2.1

Alternatively, for collaborators with access to NERSC, the VACs are available at:

/global/cfs/cdirs/desi/public/dr1/vac/dr1/lsdr9-photometry/iron/v1.1
/global/cfs/cdirs/desi/public/dr1/vac/dr1/lsdr9-photometry/guadalupe/v2.1

Data Model

For a complete description of the contents and construction of this VAC, including the data model and summary statistics, please refer to the documentation.

Please pay particular attention to the Known Issues & Previous Versions section of the documentation to read the latest list of outstanding issues and/or known bugs regarding each version of these VACs.

Contact

For questions or problems regarding these catalogs, please file a ticket at the desi-photometry repository and/or contact John Moustakas (Siena College).