rancomb_Alltilelocinfo

Summary:

For a random associated with {RANN}, the list of unique TARGETIDs with number of appearances as reachable according to fiber assigment and details on those appearances.

Naming Convention:

rancomb_{RANN}{PROGRAM}_Alltilelocinfo.fits, where {RANN} is the number of the random file (0 through 17) and {PROGRAM} is the observing program, either dark or bright.

Regex:

rancomb_[0-9]+(dark|bright)_Alltilelocinfo.fits

File Type:

FITS, 327 MB

Contents

Number

EXTNAME

Type

Contents

HDU0

IMAGE

Empty

HDU1

TLINFO

BINTABLE

Catalog data

FITS Header Units

HDU0

This HDU has no non-standard required keywords.

Empty HDU.

HDU1

EXTNAME = TLINFO

Information on the tiles and locations that a given random appears on.

Required Header Keywords

Required Header Keywords Table

KEY

Example Value

Type

Comment

NAXIS1

66

int

width of table in bytes

NAXIS2

5196355

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 -