As of November 10, 2022, all observers should use the standard CRDS OPS server for JWST calibration reference files:
The PUB server,
https://jwst-crds-pub.stsci.edu
was set up in anticipation of rapid reference file updates during commissioning and Cycle 1. However, due to the trouble-free commissioning process, the smooth transition to science operations, and the subsequent confusion that has resulted from having two servers, it has been decided that the PUB server is no longer needed and will be decommissioned. To make this transition as smooth as possible, this update will take place in stages.
On November 10, 2022, all observers should begin to transition to using only the CRDS OPS server, https://jwst-crds.stsci.edu/. See the software documentation for instructions about how to configure CRDS.
On December 2nd, access to the PUB server will no longer be available externally. The frozen PUB database will be maintained internally for 3 months. On March 1, the PUB server will be fully decommissioned and the institute will retain an internal archive of the maps and calibration reference files. Observers who wish to use historical files from the PUB server in the future will need to file a JWST Pipeline help desk ticket to access the information.
Part of the decommissioning process will include establishing guidance for how best to maintain reproducibility for new papers and for already-published papers that used the PUB server. This information will be included in the new JDox article, currently in preparation. Visit JDox for new information concerning JWST.
| Start Date | Context | Status | Description |
|---|---|---|---|
| 2022-11-08 | jwst_0994.pmap | operational | New NIRSpec pixel area maps for scinde modes NRS_IFU, NRS_MSASPEC, NRS_FIXEDSLIT, and NRS_BRIGHTOBJ. These files were made with ground data but are in the new format the pipeline expects. This delivery corresponds to jwst_1014.pmap in OPS. Note that the filenames are not unique, and a file in OPS may not have the same name in PUB, or a given filename may represent different files in OPS and PUB. |
| 2022-11-08 | jwst_0993.pmap | archived | Updated MIRI reset rmap, where the entries for all FULL frame reset files were changed to be applicable to both FAST and FASTR1 read patterns. This undoes the rmap update from jwst_0862.pmap on 2022-06-03. |
| 2022-11-08 | jwst_0992.pmap | archived | This updated set of MIRI dark and reset reference files apply to all full frame data for all three detectors, Imager, IFU short and IFU long for MRS. These files are meant to cover all data taken since April 1, 2022, and should improve some of the residual detector effects that can currently be seen in the MAST data. The reset files are now dummy files of zeros as the reset correction is folded into the new dark files. This delivery corresponds to jwst_1012.pmap in OPS. Note that the filenames are not unique, and a file in OPS may not have the same name in PUB, or a given filename may represent different files in OPS and PUB. |
| 2022-11-04 | jwst_0991.pmap | archived | Ongoing analysis of MRS cube building performance and the spatial/spectral resolution of MRS data has indicated that the wavelength sampling of MRS data cubes was not optimal. This update of the MIRI MRS cubepar reference file therefore slightly improves the spectral sampling of rectified data cubes in MRS Channels 1, 2, and 3. Likewise, it changes the multi-channel wavelength solution so that it better samples the spectral LSF as derived from in-flight data during commissioning. Additionally, the channel 4C maximum wavelength is set to 27.9 micron since the photometric response of the detectors is too low to derive a reliable set of calibrations at longer wavelengths. Users reprocessing data with this new cubepar reference file will therefore see a different number of spectral elements in their cubes than they have seen in the past, with a correspondingly different wavelength solution. This delivery corresponds to jwst_1011.pmap in OPS. Note that the filenames are not unique, and a file in OPS may not have the same name in PUB, or a given filename may represent different files in OPS and PUB. |