[Comm2011] Some calibration results

[Gijs Verdoes Kleijn]

Dear Ewout,

The linearity plots you send show linearity behavior well within specs 
according to us here.
Gert's earlier conclusion was based on a misunderstanding.

Best wishes, Gijs

G. Sikkema wrote:
> I note that
> -the Linearity in the plot seems completely chaotic for chip #82
> -Linearity only occurs for counts below <~ 35000
>
> Is there anything known about all these (regular) patterns in the 
> (Raw)DomeFlats?
>
> cheers and keep up the good work,
> Gert S.
>
>
> helmich wrote:
>   
>> See attachments.
>>
>> Note that the rawbias level plot has individual scaling (I couldn't 
>> get the margins right, but if you zoom in it's still readable).  It is 
>> for one 24h period. Where a scientific notation shows up above the 
>> plot, the whole range is within 1 ADU.
>>
>> The readnoise plot clearly shows the jump after the FIERA filtering 
>> was adjusted.
>>
>> Linearity is of only one Gain template.
>>
>> Ewout
>>
>>
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>>     
>
>
>   

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|dr Gijs Verdoes Kleijn         |   astronomer                     |
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