badcolumns-CAMERA-NIGHT

Summary:

Auxilliary file listing bad columns.

Naming Convention:

badcolumns-CAMERA-NIGHT.csv, where CAMERA is e.g., “b0”, “r5”, etc. and NIGHT 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