As of the merging of DM-10302, RFC-322 and RFC-510 are both Implemented, meaning that all SourceCatalog
flux fields produced by the stack are now called
instFlux. For example,
slot_ApFlux_fluxErr are now
slot_ApFlux_instFluxErr. Our code measures the “instrumental flux” from a source, not the physical calibrated flux (achieved by multiplying the
instFlux by the calibration factor), and this change will make that distinction clearer.
In addition, the flux field formerly known as
InstFlux is now called
GaussianFlux, which more correctly represents its contents. As far as I could tell, this field was not used anywhere in the stack currently.
This change necessitated incrementing the Schema version to 3 (version 2 was Russell’s
Err change), and I’ve maintained backwards compatibility with catalog schema versions 0, 1 and 2.
In addition to the change in field key names, I removed several long-deprecated field definition accessors from
afw.table (that had no uses outside afw that I was able to find). These were of the form
getPsfFluxFlagKey(), for each of
There are likely jupyter notebooks that are broken by this change. I’m happy to help, if you have an actively used notebook that needs updating.
Doing this paves the way for us to eventually introduce
_fluxErr fields that will represent the on-sky physical calibrated fluxes. That won’t be for a while yet, but the
PhotoCalib object has hooks to help manage such fields.
This change touched 18 packages, so if you are currently working on one of the following, you should rebase to master soon, so as not to be surprised by conflicts:
afw daf_butler ip_diffim jointcal lsst_dm_stack_demo meas_algorithms meas_astrom meas_base meas_extensions_astrometryNet meas_extensions_convolved meas_extensions_photometryKron meas_extensions_psfex meas_modelfit meas_mosaic obs_subaru pipe_tasks synpipe validate_drp