desidatamodel

vac/ : Value Added Catalogs
$DESI_ROOT : represents the top level of the DESI directory tree.
- spectro
- survey
  - fiberassign
  - catalogs
    - RELEASE
  - GFA
- target
- vac
$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
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desidatamodel

DESI_ROOT
survey
catalogs
RELEASE
QSO
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QSO

${DESI_ROOT}/survey/catalogs/RELEASE/QSO host QSO catalogs, given a RELEASE (dr1, dr3…)

SPECPROD

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