vac/ : Value Added Catalogs
- RELEASE
  - lss
    - VERSION
  - lya
$DESI_ROOT : represents the top level of the DESI directory tree.
$DESI_SPECTRO_DATA : raw data
$DESI_SPECTRO_REDUX : processed spectro data
$DESI_SPECTRO_SIM : simulated spectro data
$DESI_SPECTRO_CALIB : spectro calibration data
$DESI_SURVEYOPS : data files used for day-to-day survey operations
$DESI_TARGET : target selection and fiber assignment (see also Myers et al. 2023)
$DESIMODEL : data used for simulating DESI
$DESISURVEY_OUTPUT : outputs from desisurvey and surveysim
$PROTODESI : data and logs from the ProtoDESI campaign

Bit Masks in DESI
Standard Column Descriptions
Environment variables
Units in data files

Contributing to desidatamodel
desidatamodel API
desidatamodel Change Log

desidatamodel

vac
RELEASE
lss
VERSION
potential_assignments
random
RANN
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RANN

This directory contains a directory to the original fiber assigment files for randoms, under fba and the concatenated potential assigments file.

rancomb_PROGRAMwdup_Alltiles.fits : Concatenated potential assigments
rancomb_PROGRAM_Alltilelocinfo.fits : list of unique TARGETIDs with number of appearances as reachable according to FA
fba

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