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Wavelength calibration (computation)

-in none Input arc datacube
-reftable LbdaRef Calibration lambda reference table
-halfwidth 6 Half-width line window [px]
-sigmin 0.5
-sigmax 2.0 Arc line sigma limits [px]
-degcont 2 Continuum polynomial degree
-degcal 3 Calibration polynomial degree
-W 1 Minimum distance [sigma] of a line to the fitting window limits
-lens 0 Single lens calibration (default: all)
-dbgtable dbg_wcalib Debug table for single lens calib
-dbgspec dbg_gaussfit Debug spectrum (fit) for single lens calib
Error status

The final calibration polynomial fit should be made more robust.

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