Plot ? |
Symb ? |
Source * |
Average ? |
Thresholds ? |
N_ data |
QC1 parameter |
Data downloads |
Remarks |
method |
value |
unit |
method |
value |
1 |
| QC1DB |
MEAN |
22.6048 |
|
VAL | 22.5,23.6 |
74 |
zpoint |
this |
last_yr |
all
|
Ks zeropoints for all cameras/dichroics |
2 |
| QC1DB |
MEAN |
23.58325 |
|
VAL | 23.8,24.5 |
59 |
zpoint |
this |
last_yr |
all
|
H zeropoints for all cameras/dichroics |
3 |
[7] | QC1DB |
MEAN |
23.83191 |
|
VAL | 23.9,24.7 |
57 |
zpoint |
this |
last_yr |
all
|
J zeropoints for all cameras/dichroics |
|
*Data sources: QC1DB: QC1 database; LOCAL: local text file
|
This plot
Photometric Zeropoints (not corrected for extinction) are shown for
three broad band filters Ks, H and J. They were estimated from the
standard star observations taken in all cameras and dichroics.
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
|