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From: adam.f.kowalski@colorado.edu
Subject: is a fast OM filter cycle with short exp time possible?
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Private message: yes  no

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Date: Tue, 27 Sep 2016 03:33:12 GMT
From: adam.f.kowalski@colorado.edu
To: xmmhelp@sciops.esa.int
CC: adam.f.kowalski@colorado.edu
Subject: is a fast OM filter cycle with short exp time possible?
Full_Name: Adam F Kowalski
Submission from: (NULL) (71.196.152.235)


Dear XMM-Newton help desk,

Is it possible to do continuous OM filter wheel rotations cycling among UVW2, U,
and V (not necessary in that order) with short exposure times of ~10-20 seconds
per filter?  I understand there are bandwidth limitations, but could sufficient
scientific motivation justify (in principle) such an observing mode?

Thank you for your time,
Adam Kowalski


Reply 1

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From: Pedro M. Rodriguez Pascual <xmmhelp@sciops.esa.int>
To: adam.f.kowalski@colorado.edu
Subject: Re: is a fast OM filter cycle with short exp time possible? (PR#80162)
Date: Tue Sep 27 09:23:51 2016
Dear Adam,

cycling OM filters is allowed in AO16 Call upon explicit approval by the OTAC
(see http://xmmrps.esac.esa.int/RPS/XMM-Newton/XMM-Newton.help.html#Multiple%20OM%20Filter%20Wheel%20Rotations).


Unfortunately, the shortest exposure time is still 800 seconds if only imaging
mode windows are setup or 1200 seconds if a Fast Mode window is included (see
http://xmm-tools.cosmos.esa.int/external/xmm_user_support/documentation/uhb/ominttime.html)

Sincerely,

Pedro

> Full_Name: Adam F Kowalski
> Submission from: (NULL) (71.196.152.235)
> 
> 
> Dear XMM-Newton help desk,
> 
> Is it possible to do continuous OM filter wheel rotations cycling among
UVW2,
U,
> and V (not necessary in that order) with short exposure times of ~10-20
seconds
> per filter?  I understand there are bandwidth limitations, but could
sufficient
> scientific motivation justify (in principle) such an observing mode?
> 
> Thank you for your time,
> Adam Kowalski
> 
> 

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