datcomb_obscon_zmtl_zdone.fits
- Summary:
To summarize
- Naming Convention:
datcomb_{OBSCON}_zmtl_zdone.fits, where {OBSCON} is dark or bright- Regex:
datcomb_(bright|dark)_zmtl_zdone\.fits- File Type:
FITS, 349 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
The zmtl (CROSS-REF) information for the given OBSCON, concatenated across all relevant tiles.
Required Header Keywords
Required Header Keywords Table
KEY |
Example Value |
Type |
Comment |
|---|---|---|---|
NAXIS1 |
38 |
int |
width of table in bytes |
NAXIS2 |
9651846 |
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 |
|
ZWARN_MTL |
int64 |
The ZWARN from the zmtl file (contains extra bits) |
|
TILEID |
int32 |
Unique DESI tile ID |
|
Z_QN |
float64 |
Redshift measured by QuasarNET using line with highest confidence |
|
Z_QN_CONF |
float64 |
Redshift confidence from QuasarNET |
|
IS_QSO_QN |
int16 |
Spectroscopic classification from QuasarNET (1 for a quasar) |
Notes and Examples
Add notes and examples here. You can also create links to example files.