[Comm2011] Dark current & particle event rate

[Edwin A. Valentyn]

see Ewout report on Paranal integration last year.
I guess since then the number are equal
regards
Edwin

On 1-5-2011 1:17, helmich wrote:
>
> Garching 2005:
>
> Darkcurrent ~0.8 ADU/pix/hr.
>
> Particle event rate ~580 events/cm^1/hr
>
> Ewout
>
> On Sun, 01 May 2011 05:27:28 +0200, Dietrich Baade wrote:
>
>     Hi Ewout,
>
>     Thanks very much for the continuation of the on-line stream of
>     very helpful information.
>
>     The dark current level is excellent indeed.
>
>     How does the particle rate compare to the one measured in Garching?
>
>     Best regards,
>
>     Dietrich.
>
>     On 5/1/2011 3:12 AM, helmich wrote:
>
>         Here are plots derived from a template of 5 1800s darks taken
>         on 21 april, by whoever was observing then. Values look good.
>
>         Ewout
>
>
>
>     	--	Dietrich Baade	ESO - European Organisation for Astronomical Research in the Southern Hemisphere	Karl-Schwarzschild-Strasse 2,  85748 Garching bei Muenchen,  Germany	Email:dbaade at eso.org     Tel: +49 89 3200-6388    Fax: +49 89 3202362	
>
>
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Prof. Dr. Edwin A. Valentijn       University of Groningen
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