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CHANGELOG.rst

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Change Log

This document records the main changes to the drp code.

1.1.2dev (unreleased)

1.1.1 (20-12-2024)

  • Honor MJD exclusion list stored in LVMCORE
  • Fix crash in add_astrometry if guider frame ra,dec not present (early SV data)
  • Fix rare failure in fiber model parameter measurements
  • Fix failure due to case change in Gaia query results
  • Fix race condition due to non-unique filenames in astroquery (fixed upstream)
  • Fix NaNs in SCISEN* header keywords
  • Filter out QAFLAG BAD exposures and do not reduce
  • Catch Error on very early guider frames with no RA, DEC keywords
  • Add products documentation in header metadata with comments and physical units
  • Improve fiber/wavelength thermal shift measurements in low SNR data
  • Some other minor fixes and improvements

1.1.0 (30-10-2024)

  • Implemented flux calibration using IFU field stars
  • Improved twilight flat reduction and treatment for much improved fiberflats
  • Add heliocentric velocity to headers
  • More accurate resampling/rebinning code
  • Improved wavelenth solution (especially in b channel) and more robust fits
  • Allowing wavelength thermal shifts to vary along slit and improving wavelength/LSF fitting routines
  • More robust and accurate fiber thermal shifts
  • Add memory usage and execution time reporting
  • Speed up pipeline across the board
  • Adds a lockfile to drpall write, with 5 sec timeout, to prevent collisions during parallel writes.
  • Adds OBJECT and OBSTIME header keys to the drpall summary file
  • Added sky QA plots
  • Improved QA plots across different routines
  • Log exceptions to header COMMENT section
  • Implement infrastructure for versioning for master calibration files
  • Separate 2d reductions, extraction & 1d reduction, post-extraction stages, allow to run each individually
  • More flexible CLI for cluster job submission
  • Many bugfixes & stability/robustness improvements

1.0.3 (29-05-2024)

  • Fixed mask propagation and RSS set to NaN by default in masked pixels
  • Speeded up extraction
  • Fixed Straylight bug manifesting in low SNR frames
  • Fixed sky attributes propagation during channel combination

1.0.2 (28-05-2024)

  • Speed up tracing by skipping model evaluation
  • Fixes bug with missing astrometry headers
  • Some other minor bug fixes

1.0.1 (23-05-2024)

  • Fixed minor bugs in thermal shifts reports, sky QA plots, fetching of metadata, drpall product and more
  • Implemented cleaning of ancillary paths
  • Serial runs are default now

1.0.0 (22-05-2024)

  • Retired the quick-reduction now all science reductions use drp run
  • Integrated the calibration reductions with the drp
  • Use of twilight flats to flatfield
  • Remove the illumination gradient across the IFU in twilight exposures
  • Detect and correct for the pixel shifts in raw frames
  • Adjust the wavelength solutions to the sky lines in each frame
  • Shift the traces to account for thermal motions in the spectrographs
  • Implemented cosmic ray rejection
  • Better pixel flats and bad pixel masks
  • Subtract the scattered light for all reductions
  • Better sky subtraction by separating sky continuum from sky lines
  • Astrometry in the slitmap for each fiber, also guider astrometry in headers
  • Have smaller calibration frames
  • Provide new products: lvmFrame, lvmFFrame, lvmCFrame, lvmSFrame, lvmRSS
  • A lot of bug fixes and small improvements

0.1.1 (11-08-2023)

  • Tag of drp after new quick_reduction DRP, before changes for Utah

0.1.0 (07-13-2023)

  • Initial tag for the current state of the DRP