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CCD7/10/11/12 (MOSCA)

Summary:

Parameter
Description / Value
Manufacturer
Loral/Lesser
Device identification
W19-(0,0)2
W17-(1,1)
W19-(1,0)
W20-(0,0)1
NOT Name
CCD7
CCD10
CCD11
CCD12
Horizontal pixels / CCD
2048
Vertical pixels / CCD
2048
Pixel size & plate scale
15um,  0.109”/pixel
Readout noise (A4RR) (2x2 binning)
8.9e-
8.9e-
8.9e-
9.4e-
Readout noise (A4RR) (no binning)
8.3e-
8.3e-
8.4e-
9.1e-
Conversion factor (2x2 binning)
1.23e-/ADU
1.34e-/ADU
1.35e-/ADU
1.20e-/ADU
Conversion factor (no binning)
1.21e-/ADU
1.28e-/ADU
1.31e-/ADU
1.15e-/ADU
Nonlinearity (2x2 binning)
 <0.2%
Nonlinearity (no binning)
<0.1%  (<21000ADU)
Readout Time (no binning)
113s
Readout Time (2x2 binning)
37s
Dark current (mean)
TBD e-/h/pxl
1.5 e-/h/pxl
3.2 e-/h/pxl
2.7 e-/h/pxl
QE
QEmax ~98%3


1NOTE: The full well of device W20-(0,0) has a strong position dependence with a limiting level of only  40KADU/52Ke- in the bottom right corner, nearest the centre of the mosaic array.

2 CCD7 is the old ALFOSC detector. Further detail of this device can be found at CCD7.

3 QE measurements by Anton Norup Sørensen

see quality monitoring for latest measurements. of readout noises and gains

Layout on image display

CCD12 / W20-(0,0) / Amp#2 / MEF Ext 3 CCD11 / W19-(1,0) / Amp#1 / MEF Ext 4
CCD7 / W19-(0,0) / Amp#3 / MEF Ext 1 CCD10 / W17-(1,1) / Amp#0 / MEF Ext 2

Staff only; To set bias levels, for default high gain :
mosca.sendcamcmd @BLHI00+nnnnn Bottom right
mosca.sendcamcmd @BLHI03+nnnnn Top Right
mosca.sendcamcmd @BLHI04+nnnnn Bottom left
mosca.sendcamcmd @BLHI07+nnnnn Top left







Back to top Last modified: 03-Apr-2013