collisions-OBSCON
- Summary:
Compilation of all potential assignments with collisions with fiber assignment keep out zones given FIBER and LOCATION for the given TILEID
- Naming Convention:
collisions-{OBSCON}.fits, where{OBSCON}can be BRIGHT or DARK- Regex:
collisions-(BRIGHT|DARK)\.fits- File Type:
FITS, 40 MB
Contents
Number |
EXTNAME |
Type |
Contents |
|---|---|---|---|
IMAGE |
Empty |
||
LSS |
BINTABLE |
Catalog data |
FITS Header Units
HDU0
This HDU has no non-standard required keywords.
Empty HDU.
HDU1
EXTNAME = LSS
Main collision catalog for the given program bright or dark
Required Header Keywords
Required Header Keywords Table
KEY |
Example Value |
Type |
Comment |
|---|---|---|---|
NAXIS1 |
24 |
int |
width of table in bytes |
NAXIS2 |
1775487 |
int |
number of rows in table |
DESIDR |
dr1 |
str |
DESI Data Release |
Required Data Table Columns
Name |
Type |
Units |
Description |
|---|---|---|---|
TARGETID |
int64 |
Unique DESI target ID |
|
FIBER |
int32 |
Fiber ID on the CCDs [0-4999] |
|
LOCATION |
int32 |
Location on the focal plane PETAL_LOC*1000 + DEVICE_LOC |
|
TILEID |
int64 |
Unique DESI tile ID |