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The image and catalog data are accessible through a preliminary version of the webserv REST API (see the API page on Confluence for some information, though it does not precisely define the as-delivered behavior of the services running in PDACv1). If there is interest in directly querying the database through the dbserv part of this API, we can provide limited support for a small number of users.
For those tables that are hosted in Qserv, the Qserv manual may be a useful reference for those constructing direct queries.
The user interface currently (as of early February) provides positional query facilities for each of the following tables:
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