[Comm2011] Fwd: PPRS-043589-Updated-VST-INSTRUMENT CONTROL SYSTEM-150nm spherical aberation detected at good seeing-Science Operations
Konrad Kuijken
kuijken at strw.leidenuniv.nl
Sun May 13 22:30:53 CEST 2012
Begin forwarded message:
> From: Paranal_AREmail <esoarspl at eso.org>
> Subject: PPRS-043589-Updated-VST-INSTRUMENT CONTROL SYSTEM-150nm spherical aberation detected at good seeing-Science Operations
> Date: May 12, 2012 18:00:43 GMT+02:00
> To: kuijken at strw.leidenuniv.nl
> Reply-To: Paranal_AREmail <esoarspl at eso.org>
>
> Problem number PPRS-043589 in the Paranal PRS has now been updated.
> The new details of the ticket are listed below.
> This is for your information only.
>
>
> Problem Number : PPRS-043589
>
> Creation Date : 2012-01-22 01:33:59 by Thomas Szeifert (tszeifer at eso.org)
> Type : Problem
> Keywords : 150nm spherical aberation detected at good seeing
> Priority : Necessary
> Deadline :
> Status : Assigned
>
> ----- Minor Change Section ---------------------
>
> -------------------------------------------------
>
> Location : VST
> Area/Instrument Type : CENTRAL CONTROL
> System/Instrument : INSTRUMENT CONTROL SYSTEM
> Sub-system : GUIDING AND WFS SOFTWARE
>
> Assigned to Group : Science Operations
> Assigned to Person : tszeifer
> CC List :
> aparragu at eso.org
> kuijken at strw.leidenuniv.nl
> pietro.schipani at oacn.inaf.it
> par-tios at eso.org
> uweilenm at eso.org
> msterzik at eso.org
> vst at eso.org
> par-vst at eso.org
> acarlier at eso.org
> akaufer at eso.orgVst_all
>
> Telescope Downtime : 00:00
> Workload (hrs.) : 0
> Detailed Description :
> the OMEGACAM WFS detect +200nm spherical aberrations - which I can as well confirm from the off focus images.
>
> The ONECAL table would require a minor modification.
>
> I have sent -200 with vstactguiWrtAber.
>
> Any ONECAL will change this back to the original value (send -200 after ONECAL to be in the best shape)
>
> ----- Worklog & Comments Section ---------------
>
> Worklog and Comments :
> 2012-04-01 03:55:26 vst
> I have still -120nm spherical aberations after ONECALs. Unfortunately I don't know how to correct this except of writing it with the wrtAber GUI after each ONECAL!
>
> TSz
> 2012-05-12 15:57:18 vst
> This is still an open issue. I can only ask the operators to correct the spherical aberrations - I don't know how to add a spherical aberation to the ONECAL.
>
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