TILEID-tiles.fits
- Summary:
This file contains the designed properties of the observed tile.
- Naming Convention:
{TILEID}-tiles.fits, where{TILEID}is the zero-padded, 6-digit TILED.- Regex:
[0-9]{6}-tiles\.fits- File Type:
FITS, 8 KB
Contents
Number |
EXTNAME |
Type |
Contents |
|---|---|---|---|
IMAGE |
Empty HDU |
||
TILES |
BINTABLE |
Tile designed properties. |
FITS Header Units
HDU0
This HDU has no non-standard required keywords.
Empty HDU.
HDU1
EXTNAME = TILES
Tile designed properties.
Required Header Keywords
Required Header Keywords Table
KEY |
Example Value |
Type |
Comment |
|---|---|---|---|
NAXIS1 |
32 |
int |
width of table in bytes |
NAXIS2 |
1 |
int |
number of rows in table |
Required Data Table Columns
Name |
Type |
Units |
Description |
|---|---|---|---|
TILEID |
int32 |
Unique DESI tile ID |
|
RA |
float64 |
deg |
Barycentric Right Ascension in ICRS |
DEC |
float64 |
deg |
Barycentric declination in ICRS |
OBSCONDITIONS |
int32 |
Bitmask of allowed observing conditions |
|
IN_DESI |
int16 |
Used by fiberassign to make a tile in the DESI footprint; always set to 1 |
|
PROGRAM |
char[6] |
DESI program type - BRIGHT, DARK, BACKUP, OTHER |