| Plot |
Symbol
[info] |
Source* |
Average [info] |
Thresholds [info] |
N_data |
Data downloads |
Remarks |
| method |
value |
unit |
method |
value |
|
1 |
• | QC1DB |
MEDIAN | 0.250 |
ADU |
3SIG | ± 0.952 |
67 |
this |
last_yr |
all
|
median dark level, chip 1, DIT=1 |
|
|
2 |
• | QC1DB |
MEDIAN | -6.250 |
ADU |
3SIG | ± 3.530 |
9 |
this |
last_yr |
all
|
median dark level, chip 2, DIT=1 |
|
|
3 |
• | QC1DB |
MEDIAN | 0.417 |
ADU |
3SIG | ± 0.500 |
30 |
this |
last_yr |
all
|
median dark level, chip 3, DIT=1 |
|
|
4 |
• | QC1DB |
MEDIAN | -1.083 |
ADU |
3SIG | ± 2.187 |
67 |
this |
last_yr |
all
|
median dark level, chip 4, DIT=1 |
|
|
5 |
• | QC1DB |
MEDIAN | -1.043 |
ADU |
3SIG | ± 23.960 |
28 |
this |
last_yr |
all
|
median dark level, chip 1, DIT=300 |
|
|
6 |
• | QC1DB |
MEDIAN | 10.780 |
ADU |
3SIG | ± 8.958 |
25 |
this |
last_yr |
all
|
median dark level, chip 2, DIT=300 |
|
|
7 |
• | QC1DB |
MEDIAN | 8.030 |
ADU |
3SIG | ± 14.474 |
28 |
this |
last_yr |
all
|
median dark level, chip 3, DIT=300 |
|
|
8 |
• | QC1DB |
MEDIAN | -2.525 |
ADU |
3SIG | ± 16.905 |
28 |
this |
last_yr |
all
|
median dark level, chip 4, DIT=300 |
|
|
|
*Data sources: OPSLOG: Paranal ops logs; QC1DB: QC1 database; LOCAL: local text file
|
This plot
Trending plot for the median level in CRIRES DARK exposures.
The trending shows median levels from DIT=1sec and DIT=300sec exposures for all
four chips.
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
|
