Alltiles_tilelocs
- Summary:
Information on the tiles and locations each target appears on.
- Naming Convention:
Alltiles_{PROGRAM}_tilelocs.dat.fits, where{PROGRAM}denotes the observing program, eitherdarkorbright.- Regex:
Alltiles_[a-z]{4,6}_tilelocs.dat.fits- File Type:
FITS, 544 MB
Contents
Number |
EXTNAME |
Type |
Contents |
|---|---|---|---|
IMAGE |
Empty |
||
TLINFO |
BINTABLE |
Catalog data |
FITS Header Units
HDU0
Empty
This HDU has no non-standard required keywords.
Empty HDU.
HDU1
EXTNAME = TLINFO
Information on the tiles and locations each target appears on
Required Header Keywords
Required Header Keywords Table
KEY |
Example Value |
Type |
Comment |
|---|---|---|---|
NAXIS1 |
66 |
int |
width of table in bytes |
NAXIS2 |
8645218 |
int |
number of rows in table |
DESIDR |
edr |
str |
DESI Data Release |
Required Data Table Columns
Name |
Type |
Units |
Description |
|---|---|---|---|
TARGETID |
int64 |
Unique DESI target ID |
|
NTILE |
int64 |
Number of tiles target was available on |
|
TILES |
char[*] |
TILEIDs of those tile, in string form separated by - |
|
TILELOCIDS |
char[*] |
TILELOCIDs that the target was available for, separated by - |