lrg imaging mask
- Summary:
Extra masking layer for the LRG tracers, associated with bright stars in the foreground. one row per LRG with masking information. Only present in DARK OBSCON
- Naming Convention:
forFA{MOCKREA}_matched_input_full_lrg_imask.fits, where{MOCKREA}is the mock realization (25 of them).- Regex:
forFA[0-9]+_matched_input_full_lrg_imask\.fits- File Type:
FITS, 262 MB
Contents
Number |
EXTNAME |
Type |
Contents |
|---|---|---|---|
IMAGE |
|||
MASK |
BINTABLE |
Catalog of LRGs |
FITS Header Units
HDU0
Empty HDU.
HDU1
EXTNAME = MASK
Main Table
Required Header Keywords
Required Header Keywords Table
KEY |
Example Value |
Type |
Comment |
|---|---|---|---|
NAXIS1 |
9 |
int |
length of dimension 1 |
NAXIS2 |
30570460 |
int |
length of dimension 2 |
DESIDR |
dr1 |
str |
DESI Data Release |
Required Data Table Columns
Name |
Type |
Units |
Description |
|---|---|---|---|
lrg_mask |
binary |
||
TARGETID |
int64 |
Unique DESI target ID |