[Comm2011] Fwd: PPRS-043589-Updated-VST-INSTRUMENT CONTROL SYSTEM-150nm spherical aberation detected at good seeing-Science Operations

[Konrad Kuijken]

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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