[Comm2011] Some calibration results
G. Sikkema
sikkema at astro.rug.nl
Wed Mar 30 18:55:17 CEST 2011
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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dr. Gert Sikkema
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