From a wavelength calibrated MOS arc lamp exposure, the mean spectral
resolution from all lines in catalog is computed. Each single spectral
resolution is computed as the ratio between the arc lamp line wavelength
and its FWHM. The values trended here are for the 300V grism with a slit
width of 1.0" and the order separation filter GG435.
Data have been acquired using the red-sensitive MIT detector. 

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<i>DB Name: fors2_mos_wave <br>
TPL.ID: FORS2_specphot_cal_daycalib <br>
QC1 DB parameter: central_resol
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More information can be found on
the <a href="http://www.eso.org/observing/dfo/quality/FORS2/qc/moswlc/moswlc.html">plot tutorial page</a>