| Plot |
Symbol [info] |
Source* |
Average [info] |
Thresholds [info] |
N_data |
Data downloads |
Remarks |
| method |
value |
unit |
method |
value |
|
1 |
| QC1DB |
MEDIAN | 2.700 |
e/px/hr |
1SIG | ± 0.611 |
3 |
this |
last_yr |
all
|
dark current, low gain |
|
|
2 |
| QC1DB |
MEDIAN | 6.380 |
e/px/hr |
1SIG | ± 0.288 |
5 |
this |
last_yr |
all
|
dark current, low gain |
|
|
3 |
| QC1DB |
MEDIAN | 4.080 |
e/px/hr |
1SIG | ± 0.389 |
2 |
this |
last_yr |
all
|
dark current, high gain |
|
|
4 |
| QC1DB |
MEDIAN | 5.030 |
e/px/hr |
1SIG | ± 0.095 |
6 |
this |
last_yr |
all
|
dark current, high gain |
|
|
5 |
| QC1DB |
MEDIAN | 4.590 |
e/px/hr |
1SIG | ± 0.255 |
3 |
this |
last_yr |
all
|
dark current, low gain |
|
|
6 |
| QC1DB |
MEDIAN | 5.380 |
e/px/hr |
1SIG | ± 0.145 |
1 |
this |
last_yr |
all
|
dark current, low gain |
|
|
7 |
| QC1DB |
MEDIAN | 3.080 |
e/px/hr |
1SIG | ± 0.167 |
6 |
this |
last_yr |
all
|
dark current, high gain |
|
|
8 |
| QC1DB |
MEDIAN | 4.560 |
e/px/hr |
1SIG | ± 0.153 |
4 |
this |
last_yr |
all
|
dark current, high gain |
|
|
|
*Data sources: OPSLOG: Paranal ops logs; QC1DB: QC1 database; LOCAL: local text file
|
This plot
Trending plots for dark current.
The upper threshold for scoring has been set to the value from the User Manual
of <7 e-/px/h for the dark current of the new CCDs.
Data downloads only include measurements with the new detectors (October 2010
and later).
Template ID: img_cal_Dark and spec_cal_Dark. Pipeline recipe: vmdark.
General information
Click on any of the plots to see a close-up version.
The latest date is indicated on top of the plot, data points belonging to that date are specially marked.
If configured,
- statistical averages are indicated by a solid line, and thresholds by broken lines
- outliers are marked by a red asterisk. They are defined as data points outside the
threshold lines
- "aliens" (= data points outside the plot Y limits) are marked by a red arrow (↑ or ↓)
- you can download the data for each parameter set if the 'Data downloads' link shows up
|