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Getting Started

  • Quickstart Guide
  • Installation
  • Contributing and Reporting Issues

User Documentation

  • Background Subtraction Methods
  • Introduction to the JWST Pipeline
  • Reference Files, Parameter Files and CRDS
  • Parameters
  • Running the JWST pipeline: Python Interface
  • Running the JWST pipeline: Command Line Interface (strun)
  • Available Pipelines
  • Input and Output File Conventions
  • Logging
  • JWST Datamodels
  • More Information for JWST Users

Data Products Documentation

  • Data Products Information

Error Propagation Documentation

  • Error Propagation

Package Documentation

  • Package Index
    • Adaptive Trace Model
    • Align PSF References
    • AMI Analyze
    • AMI Normalize
    • Assign Moving Target WCS
    • Assign WCS
      • Description
      • Step Arguments
      • Reference Files
      • How To Create Reference files in ASDF format
      • WCS reference file information per EXP_TYPE
      • API
    • Associations
    • Background Subtraction
    • Bad Pixel Self-Calibration
    • Barshadow Correction
    • Charge Migration
    • Clean Flicker Noise
    • Combine 1D Spectra
    • Cube Building
    • Dark Current Subtraction
    • Data Quality (DQ) Initialization
    • MIRI EMI Correction
    • Exposure to Source Conversion
    • Extract 1D Spectra
    • Extract 2D Spectra
    • First Frame Correction
    • Flatfield Correction
    • Fringe Correction
    • Gain Scale Correction
    • Group Scale Correction
    • Guider CDS Processing
    • HLSP Processing
    • Imprint Subtraction
    • IPC Correction
    • Jump Detection
    • KLIP Processing
    • Library Utilities
    • Last Frame Correction
    • Linearity Correction
    • Master Background Subtraction
    • Model Blender
    • MSAFlagOpen Correction
    • Outlier Detection
    • Pathloss Correction
    • Persistence Correction
    • Photometric Calibration
    • Picture Frame Correction
    • Pipeline Modules
    • Pixel Replacement
    • Ramp Fitting
    • Reference File Information
    • Reference Pixel Correction
    • Resampling Imaging Data
    • Resampling Spectral Data
    • Reset Correction
    • Residual Fringe
    • Reset Switch Charge Decay (RSCD) Correction
    • Saturation Detection
    • SkyMatch
    • Source Catalog
    • Spectral Leak
    • Source Type (SRCTYPE) Determination
    • Stack PSF References
    • STPIPE
    • Stray Light Correction
    • Superbias Subtraction
    • Target Centroiding Step
    • TSO Aperture Photometry
    • TweakReg
    • Wavelength Correction
    • WFS Combine
    • WFSS Contamination Correction
    • White Light Curve Generation
  • Change Log
jwst
  • Package Index
  • Assign WCS
  • View page source

Assign WCS

  • Description
    • Basic WCS keywords and the transform from v2v3 to world
    • Using the WCS interactively
    • WCS of NIRSpec IFU exposures
    • WCS of slitless grism exposures
    • Corrections Due to Spacecraft Motion
  • Step Arguments
  • Reference Files
    • Reference file types used by assign_wcs
  • How To Create Reference files in ASDF format
    • Create a transform
    • Create the reference file
    • Save a transform to an ASDF file
  • WCS reference file information per EXP_TYPE
  • API
    • Public Step API
    • Complete Developer API
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© Copyright 2026, JWST calibration pipeline developers. Last updated on Feb 12, 2026.

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