badcolumns-CAMERA-NIGHT
- Summary:
Auxilliary file listing bad columns.
- Naming Convention:
badcolumns-CAMERA-NIGHT.csv
, whereCAMERA
is e.g., “b0”, “r5”, etc. andNIGHT
is the observation night in YYYYMMDD format.- Regex:
badcolumns-[brz][0-9]-[0-9]{8}\.csv
- File Type:
CSV, 1 KB
Contents
A list of unmasked bad columns identified from a 300 sec calibration dark frame.
Note: file may contain no data if all bad columns are already masked.
The file should have these columns:
Name |
Type |
Description |
---|---|---|
CAMERA |
char[*] |
Camera identifier. Passband and SPECGRPH ([brz][0-9]). |
COLUMN |
int |
CCD column number |
ELEC_PER_SEC |
float |
median electrons/sec in column |
SIGMA |
float |
statistical significance as non-zero |