datcomb_tarwdup

Summary:

File with information about all targets after match with potential assigment from FA.

Naming Convention:

datcomb_{PROGRAM}_tarwdup_Alltiles.fits, where {PROGRAM} refers to the observing program, either dark or bright.

Regex:

datcomb_(dark|bright)_tarwdup_Alltiles.fits

File Type:

FITS, 1 GB

Contents

Number

EXTNAME

Type

Contents

HDU0

IMAGE

Empty

HDU1

POTENTIAL_ASSIGNMENTS

BINTABLE

Catalog data

FITS Header Units

HDU0

This HDU has no non-standard required keywords.

Empty HDU.

HDU1

EXTNAME = POTENTIAL_ASSIGNMENTS

Merge between potential assigments from fiber assigment and input targets

Required Header Keywords

Required Header Keywords Table

KEY

Example Value

Type

Comment

NAXIS1

151

int

width of table in bytes

NAXIS2

10117500

int

number of rows in table

DESIDR

edr

str

DESI Data Release

Required Data Table Columns

Name

Type

Units

Description

RA

float64

deg

Target Right Ascension

DEC

float64

deg

Target declination

TARGETID

int64

Unique DESI target ID

SUBPRIORITY

float64

Random subpriority [0-1) to break assignment ties

PRIORITY_INIT

int64

Target initial priority from target selection bitmasks and OBSCONDITIONS

ZWARN_MTL

int64

The ZWARN from the zmtl file (contains extra bits)

TARGET_STATE

char[30]

Combination of target class and its current observational state

TIMESTAMP

char[25]

s

UTC/ISO time at which the target state was updated

PRIORITY

int64

Target current priority

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

SV3_DESI_TARGET [1]

int64

DESI (dark time program) target selection bitmask for SV3

SV3_MWS_TARGET [1]

int64

MWS (bright time program) target selection bitmask for SV3

SV3_BGS_TARGET [1]

int64

BGS (bright time program) target selection bitmask for SV3