Hello all,
I am trying to find a catalog with redshifts for objects in the ECDFS region, that will correlate with DP1 position coordinates. I am currently looking at catalogs found by accessing the PZ Server, as described in "Initial studies of photometric redshifts with LSSTComCam from DP1 ", yet their is limited data in the ECDFS region. I’m curious if anyone knows of a catalog in that region or if another method comes to mind.
Thank you!
Hi @GannonHughes, thanks for this question. The other place that photo-z for ECDFS are available is the LSDB (lsdb.io), and specifically at data.lsdb.io/#Rubin_DP1/object_photoz – but as far as I know they both provide access to the same PZ dataset.
The DP1 ECDFS field is only a ~1 square degree (small for Rubin) – when you mentioned it was more limited than you expected, did you mean spatially, or limited in another way?
Hi @GannonHughes. All the catalogs described in “Initial studies of photometric redshifts with LSSTComCam from DP1” (sitcomtn-154), (including the original redshift catalogs obtained from spectroscopic surveys), will be released soon on the PZ Server. The PZ Server team is currently working on the registry and documentation. A post will be published here once the release is complete, and I’ll make sure to let you know.
Hi @GannonHughes for an example of getting the photo-z catalogs from lsdb and then joining that with other DP1 data see our tutorial notebook here: sciunit-photoz/data_access_demos/dp1_pz_butler_join.ipynb at main · lsst-sitcom/sciunit-photoz · GitHub. Hope that helps!