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Compare desimeter and platemaker #129

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julienguy opened this issue Sep 25, 2020 · 1 comment
Open

Compare desimeter and platemaker #129

julienguy opened this issue Sep 25, 2020 · 1 comment
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@julienguy
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Compute field model on many exposures, predict fiber position on focal plane and compare with platemaker coordinates? files.
First goal is to fit shift, rotation, dilatation and correlate differences with ADC angles , parallactic angle and zenith angle ...
@julienguy julienguy added the analysis Analysis label Sep 25, 2020
@julienguy
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Evidence for some systematic rotation dilatation shifts in the comparison of the desimeter derived RA Dec and the target RA Dec.
See https://desi.lbl.gov/trac/tracmailman/browser/private/desi-commiss/2020-October/005129.html
which give links to

This analysis will be repeated once the fiducials coordinates have been adjusted.

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