UVES Scientific CCD System

Calibrated Readout Modes Available at the Telescope

UVES Blue Arm CCD (see also the Data for UVES Blue before the upgrade on 13/Oct/2004))

Device :		EEV CCD-44-82 "PAVAROTTI"

CCD carrier temperature :		153 K (accoustic alarms set at 143 K and 163 K)
CCD operating temperature :		- 115 °C (est.)
CFC cold plate temperature :		- 170 °C

Read out units 225_lg_1x1_1pt 225_lg_1x2_1pt 50_hg_2x2_1pt 50_hg_2x3_1pt

Port used - left left left left

Conversion factor e^- / ADU 1.84 1.74 0.54 0.54

Readout noise e^- 4.03 3.81 2.36 2.31

Dark current
(system up and dark > 24 h) e^- / pix / h < 0.2 - < 0.36 -

Bias level ADU 201 201 150 149

Linearity % 0.77 0.63 0.47 0.32

Cosmic ray hit rate
(events > 30 e^-) hits / cm² / h 26 - 22 -

UVES Red Arm CCD

Device :		EEV CCD-44-82 "STING"

CCD carrier temperature :		135 K (accoustic alarms set at 133 and 140 K)
CCD operating temperature :		- 115 °C (est.)
Cold plate temperature :		- 185 °C

Read out units 225_lg_1x1_1pt 225_lg_1x2_1pt 50_hg_2x2_1pt 50_hg_2x3_1pt

Port used - left left left left

Conversion factor e^- / ADU 1.59 1.59 0.52 0.52

Readout noise e^- 3.42 3.42 1.92 1.92

Dark current
(system up and dark > 24 h) e^- / pix / h - - 0.4 0.4

Bias level ADU 199 199 201 201

Linearity % + 0.42 / - 0.48 + 0.42 / - 0.48 + 0.15 / - 0.12 + 0.15 / - 0.12

Cosmic ray hit rate
(events > 30 e^-) hits / cm² / h 112 112 113 113

CTE (X) - 0.999998 @ 6 x 10⁴ e^- 0.999998 @ 6 x 10⁴ e^- 0.999890 @ 2 x 10² e^-
0.999997 @ 3 x 10⁴ e^- 0.999890 @ 2 x 10² e^-
0.999997 @ 3 x 10⁴ e^-

Device : MIT CCID-20 "NIGEL" (Serial No. W7C2)

CCD carrier temperature : 135 K

CCD operating temperature : - 118 °C (est.)

Cold plate temperature : - 185 °C

Read out units 225_lg_1x1_1pt 225_lg_1x2_1pt 50_hg_2x2_1pt 50_hg_2x3_1pt

Port used - right right right right

Conversion factor e^- / ADU 1.48 1.48 0.57 0.57

Readout noise e^- 3.69 3.69 2.87 2.87

Dark current
(system up and dark > 24 h) e^- / pix / h - - 0.6 0.6

Bias level ADU 191 191 181 - 186 181 - 186

Linearity % + 0.10 / - 0.10 + 0.10 / - 0.10 + 0.03 / - 0.03 + 0.03 / - 0.03

Cosmic ray hit rate
(events > 30 e^-) hits / cm² / h 108 108 102 102

CTE (X) - > 0.999998 @ 8 x 10⁴ e^- > 0.999998 @ 8 x 10⁴ e^- - -

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Last update: Jan 27, 2010
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Read out	units	225_lg_1x1_1pt	225_lg_1x2_1pt	50_hg_2x2_1pt	50_hg_2x3_1pt
Port used	-	left	left	left	left
Conversion factor	e^- / ADU	1.84	1.74	0.54	0.54
Readout noise	e^-	4.03	3.81	2.36	2.31
Dark current (system up and dark > 24 h)	e^- / pix / h	< 0.2	-	< 0.36	-
Bias level	ADU	201	201	150	149
Linearity	%	0.77	0.63	0.47	0.32
Cosmic ray hit rate (events > 30 e^-)	hits / cm² / h	26	-	22	-

Device :		MIT CCID-20 "NIGEL" (Serial No. W7C2)

CCD carrier temperature :		135 K
CCD operating temperature :		- 118 °C (est.)
Cold plate temperature :		- 185 °C