JWST User Documentation

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Proposing Opportunities

  • • Opportunities and Policies

  • Call for Proposals for Cycle 2
    • • New and Important Features
    • • Proposal Checklist
    • • Anonymous Proposal Reviews
    • • Proposal Submission Policies
    • • Proposal Categories
    • • Observation Types
    • • Data Rights and Duplications
    • • Proposal Selection Procedures
    • • Guidelines and Checklist for Proposal Preparation
    • • Filling Out the APT Proposal Form
    • • Preparation of the PDF Attachment
    • • Proposal Implementation and Execution
    • • Grant Funding and Budget Submissions
    • • Appendix- Scientific Keywords

  • Cycle 2 GTO Call for Proposals
    • • Cycle 2 GTO Proposal Submission Policies
    • • Cycle 2 GTO Proposal Submission Process

  • • Director's Discretionary (DD) Time Proposals

  • General Science Policies
    • • Guidelines for Proposals where JWST and HST Overlap in Capabilities
    • • Observing Overheads and Time Accounting Policy
    • • Duplicate Observations Policy
    • • Science Parallel Observation Policies and Guidelines
    • • The Single-Stream Proposal Process
    • • Micrometeoroid Avoidance Zone: Policies and Procedures
    • • Observing Program Modification Policy
    • • Policies for the Telescope Time Review Board
    • • How to Submit a Program Change Request (PCR)
    • • Target of Opportunity Program Activation
    • NASA-SMD Policies and Guidelines for the Operations of at STScI
      • • Policy 1 - Limitations on the Use of Funds for the Research of General Observers and Archival Research
      • • Policy 2 - Data Rights and Data Dissemination
      • • Policy 3 - Data Requests and Facilities
      • • Policy 4 - Post-Launch Commissioning of
      • • Policy 5 - Clarification of Extensions of Exclusive Access Data to Public Affairs Activities
      • • Policy 6 - Distribution of Science Data Obtained from Investigations Other Than Those Selected Through the Peer-review Process
      • • Policy 7 - NASA Needs for Support for Other Missions
      • • Policy 8 - Definition of Observing Time
      • • Policy 9 - Allocation of Guaranteed Observing Time to Scientists Selected Under AO 01-OSS-05 and Through NASA-ESA-CSA Agreements
      • • Policy 10 - Redistribution of Guaranteed Observing Time Among Observers
      • • Policy 11 - Protection of Science Programs Associated With Guaranteed Time
      • • Policy 12 - Education and Public Outreach

  • Telescope Allocation Committee (TAC) Instructions
    • • Proposal Review Getting Started Guide
    • • Overview
    • • Selection Criteria and Scoring System
    • • Dual Anonymous Proposals Guide for Reviewers
    • • Conflicts of Interest
    • • Galactic/Extragalactic Panel Meetings
    • • Executive Committee Meeting
    • • Proposal Feedback Comments
    • • Confidentiality
    • • Executive Committee Expert Reviews
    • Roles & Responsibilities
      • • Guidelines for Panel Chairs
      • • Guidelines for Panelists
      • • Guidelines for Panel Advisors and Observers
      • • Guidelines for At-Large TAC Members
      • • Guidelines for Panel Support Scientists
      • • Guidelines for Levelers
      • • Guidelines for Science Policy Group (SPG) Members
    • • Blue Jeans and Slack Guidelines
    • • Orientation Materials
    • • Unconscious Bias Training
    • • Code of Conduct
    • SPIRIT WebReviewer Tool Guide
      • • Application Sign-In
      • • Viewing Panel Assignments and Resources
      • • Navigating and Viewing Panel Proposals
      • • Grading by Worksheet
      • • Entering A Proposal Grade
      • • Entering A Proposal Review
      • • Entering Private Notes
      • • Entering Shared Remarks
      • • Submitting a Final Review
      • • Viewing Final Ranking
      • • Viewing SPIRIT Notifications

  • Past Proposal Opportunities
    • • Director's Discretionary Early Release Science Call for Proposals
    • Cycle 1 GTO Call for Proposals
      • • Cycle 1 GTO Proposal Submission Policies
      • • Cycle 1 GTO Proposal Submission Process
      • • Cycle 2 and 3 GTO Proposal Process
      • GTO Observation Specifications
        • • Cycle 1 GTO Observations Available for Archival Proposals
        • • GTO MIRI Observations Table
        • • GTO NIRCam Observations Table
        • • GTO NIRISS Observations Table
        • • GTO NIRSpec FSS and IFU Observations Table
        • • GTO NIRSpec MOS Observations Table
    • Call for Proposals for Cycle 1
      • • Cycle 1 Proposal Deadline Extension Request
      • • Cycle 1 Anonymous Proposal Review
      • • Cycle 1 Proposal Policies and Funding Support
      • Cycle 1 Proposal Categories
        • General Observer (GO) Proposals
          • • Small, Medium, and Large GO Proposal Categories
          • • Joint -HST Observing Programs
          • • Survey GO Proposals
          • • Calibration GO Proposals
          • • Treasury Status GO Proposals
          • • Long-Term Status GO Proposals
        • Archival (AR) Proposals
          • • Regular and Legacy AR Proposals
          • • Theory Proposals
          • • Calibration AR Proposals
          • • Community Data Science Software Proposals
        • • Director's Discretionary (DD) Time Proposals
      • Cycle 1 Observation Types and Restrictions
        • • Coordinated and Pure-Parallel Observations
        • • Time Constrained Observations
        • • Solar System Observations
        • • Target of Opportunity Observations
        • • Observations of Targets That Have Not Yet Been Discovered or Identified
        • • Follow-up Observations of JWST Pre-imaging
      • • Cycle 1 Proposal Preparation
      • • Cycle 1 Single-Stream Proposal Process
      • • Cycle 1 Special Submission Requirements
      • • Cycle 1 Observation Mode Restrictions
      • • Cycle 1 Proposal Selection Process
      • • Cycle 1 Awarded Program Implementation
      • • Cycle 1 Grant Funding and Budget Submissions
      • • Cycle 1 Proposal Science Categories and Keywords

Observatory

  • Observatory Hardware
    • • Observatory Overview
    • • Telescope
    • • Wavefront Sensing and Control
    • • Momentum Management
    • • Integrated Science Instrument Module
    • • Solid State Recorder
    • • Fine Guidance Sensor
    • Spacecraft Bus
      • • Attitude Control Subsystem
      • • Communications Subsystem
      • • Propulsion

  • Observatory Characteristics
    • Observatory Coordinate System and Field of Regard
      • • Instrument Ideal Coordinate Systems
      • • Target Viewing Constraints
    • • Micrometeoroid Avoidance Zone
    • • Field of View
    • • Orbit
    • • Guide Stars
    • • Position Angles, Ranges, and Offsets
    • • Pointing Performance

Instruments

  • Mid Infrared Instrument
    • MIRI Observing Modes
      • • Imaging
      • • Coronagraphic Imaging
      • • Medium Resolution Spectroscopy
      • • Low Resolution Spectroscopy
      • Time-Series Observations
        • • Imaging TSOs
        • • LRS TSOs
        • • MRS TSOs
    • MIRI Instrumentation
      • • Optics and Focal Plane
      • • MRS Field and Coordinates
      • • Filters and Dispersers
      • • Coronagraphs
      • • Spectroscopic Elements
      • Detector Overview
        • Detector Readout Overview
          • • Detector Readout FASTR1
          • • Detector Readout SLOWR1
          • • Comparison of Old and New Detector Readout Patterns
        • • Detector Performance
        • • Detector Subarrays
    • MIRI Operations
      • Target Acquisition
        • • Imaging Target Acquisition
        • • Coronagraphic Imaging Target Acquisition
        • • LRS Slit Target Acquisition
        • • LRS Slitless Target Acquisition
        • • MRS Target Acquisition
      • Dithering
        • • Imaging Dithering
        • • Coronagraphic Imaging Dithering
        • • LRS Dithering
        • • MRS Dithering
        • • MRS Dedicated Sky Observations
      • Mosaics
        • • Imaging Mosaics
        • • Knife Edge Gap in Imaging Mosaics
        • • LRS Mosaics
        • • MRS Mosaics
      • • Parallel Observations
      • • MRS Simultaneous Imaging
    • MIRI Predicted Performance
      • • Sensitivity
      • • Bright Source Limits
      • • Point Spread Functions
    • MIRI APT Templates
      • • Imaging APT Template
      • • LRS APT Template
      • • MRS APT Template
      • • Coronagraphic Imaging APT Template
    • MIRI Observing Strategies
      • • Cross-Mode Recommended Strategies
      • • Imaging Recommended Strategies
      • • Coronagraphic Recommended Strategies
      • • LRS Recommended Strategies
      • • MRS Recommended Strategies
      • • TSO Recommended Strategies
    • MIRI Example Science Programs
      • MIRI MRS Spectroscopy of a Late M Star
        • • Step-by-Step ETC Guide
        • • Step-by-Step APT Guide
      • MIRI MRS and NIRSpec IFU Observations of Cassiopeia A
        • • Step-by-Step ETC Guide
        • • Step-by-Step APT Guide
      • MIRI MRS and NIRSpec IFU Observations of SN1987A
        • • Step-by-Step ETC Guide
        • • Step-by-Step APT Guide
      • MIRI and NIRCam Coronagraphy of HR8799 b
        • • Step-by-Step ETC Guide
        • • Step-by-Step APT Guide
      • MIRI and NIRCam Coronagraphy of the Beta Pictoris Debris Disk
        • • Step-by-Step ETC Guide
        • • Step-by-Step APT Guide
    • • Features and Caveats

  • Near Infrared Camera
    • NIRCam Observing Modes
      • • Imaging
      • • Coronagraphic Imaging
      • Time-Series Observations
        • • Time-Series Imaging
        • • Grism Time Series
      • • Wide Field Slitless Spectroscopy
    • NIRCam Instrumentation
      • • Field of View
      • • Modules
      • • Optics
      • • Dichroics
      • • Pupil and Filter Wheels
      • • Filters
      • • Coronagraphic Occulting Masks and Lyot Stops
      • • Filters for Coronagraphy
      • • Grisms
      • • Weak Lenses
      • Detector Overview
        • • Detector Subarrays
        • • Detector Readout
        • • Detector Readout Patterns
        • • Detector Performance
    • NIRCam Operations
      • Dithers and Mosaics
        • • Primary Dithers
        • • Subarray Primary Dithers
        • • Wide Field Slitless Spectroscopy Dithers
        • Subpixel Dithers
          • • Standard Subpixel Dithers
          • • Small Grid Dithers
        • • Mosaics
      • • Coronagraphic PSF Estimation
      • • Coronagraph Astrometric Confirmation Images
      • • Apertures
      • Target Acquisition
        • • Coronagraphic Imaging Target Acquisition
        • • Grism Time-Series Target Acquisition
        • • Time-Series Imaging Target Acquisition
    • NIRCam Predicted Performance
      • • Point Spread Functions
      • • Imaging Sensitivity
      • • Sensitivity
      • • Bright Source Limits
      • • Persistence
      • • Flat Fields
      • • WFSS Field of View
      • • WFSS Backgrounds
      • • Absolute Flux Calibration and Zeropoints
    • NIRCam APT Templates
      • • Imaging APT Template
      • • Coronagraphic Imaging APT Template
      • • Time-Series APT Template
      • • Grism Time-Series APT Template
      • • Wide Field Slitless Spectroscopy APT Template
    • NIRCam Observing Strategies
      • • Imaging Recommended Strategies
      • • Coronagraphic Imaging Recommended Strategies
      • • Time-Series Observation Recommended Strategies
      • • WFSS Recommended Strategies
    • NIRCam Example Science Programs
      • NIRCam Deep Field Imaging with MIRI Imaging Parallels
        • • Step-by-Step ETC Guide
        • • Step-by-Step APT Guide
      • NIRCam Parallel Imaging and NIRISS WFSS of Galaxies in Lensing Clusters
        • • Step-by-Step ETC Guide
        • • Step-by-Step APT Guide
      • NIRCam WFSS Deep Galaxy Observations
        • • Step-by-Step ETC Guide
        • • Step-by-Step APT Guide
      • NIRCam and MIRI Coronagraphy of HR8799 b
        • • Step-by-Step ETC Guide
        • • Step-by-Step APT Guide
      • NIRCam and MIRI Coronagraphy of the Beta Pictoris Debris Disk
        • • Step-by-Step ETC Guide
        • • Step-by-Step APT Guide
      • NIRCam Time-Series Imaging of HAT-P-18 b
        • • Step-by-Step ETC Guide
        • • Step-by-Step APT Guide
      • NIRCam Grism Time-Series Observations of GJ 436b
        • • Step-by-Step ETC Guide
        • • Step-by-Step APT Guide
    • Features and Caveats
      • • Dragon's Breath
      • • Dragon's Breath Type II
      • • Claws and Wisps
      • • Ginkgo Leaf
      • • WFSS Tadpoles and Shells

  • Near Infrared Imager and Slitless Spectrograph
    • NIRISS Observing Modes
      • • Wide Field Slitless Spectroscopy
      • • Single Object Slitless Spectroscopy
      • • Aperture Masking Interferometry
      • • Imaging
    • NIRISS Instrumentation
      • • Optics and Focal Plane
      • • Pupil and Filter Wheels
      • • Filters
      • • GR150 Grisms
      • • GR700XD Grism
      • • Non-Redundant Mask
      • Detector Overview
        • • Detector Subarrays
        • • Detector Readout
        • • Detector Readout Patterns
        • • Detector Performance
    • NIRISS Operations
      • Dithers
        • • AMI Dithers
        • • Imaging Dithers
        • • WFSS Dithers
      • • Target Acquisition
      • • Apertures
      • • Mosaics
    • NIRISS Predicted Performance
      • • Sensitivity
      • • Bright Limits
      • • Point Spread Functions
      • • Ghosts
    • NIRISS APT Templates
      • • Imaging APT Template
      • • Wide Field Slitless Spectroscopy APT Template
      • • Single-Object Slitless Spectroscopy APT Template
      • • Aperture Masking Interferometry APT Template
    • NIRISS Observing Strategies
      • • WFSS Recommended Strategies
      • • SOSS Recommended Strategies
      • • AMI Recommended Strategies
      • • Imaging Recommended Strategies
      • • Generic Recommended Strategies
    • NIRISS Example Science Programs
      • NIRISS AMI Observations of Extrasolar Planets Around a Host Star
        • • Step-by-Step ETC Guide
        • • Step-by-Step APT Guide
      • NIRISS SOSS Time-Series Observations of HAT-P-1
        • • Step-by-Step ETC Guide
        • • Step-by-Step APT Guide
      • NIRISS WFSS with NIRCam Parallel Imaging of Galaxies in Lensing Clusters
        • • Step-by-Step ETC Guide
        • • Step-by-Step APT Guide
    • • Features and Caveats

  • Near Infrared Spectrograph
    • NIRSpec Observing Modes
      • • Multi-Object Spectroscopy
      • • IFU Spectroscopy
      • • Fixed Slits Spectroscopy
      • • Bright Object Time-Series Spectroscopy
    • NIRSpec Instrumentation
      • • Optics
      • • Dispersers and Filters
      • Detectors
        • • Detector Performance
        • • Detector Readout
        • Detector Readout Modes and Patterns
          • • Traditional Detector Readout Mode
          • • IRS2 Detector Readout Mode
        • • Detector Subarrays
      • • Micro-Shutter Assembly
      • • Integral Field Unit
      • • Fixed Slits
    • NIRSpec Operations
      • Target Acquisition
        • • MSA Target Acquisition
        • • Verify Only Target Position
        • • Wide Aperture Target Acquisition
      • Dithers and Nods
        • • MOS Dither and Nod Patterns
        • • IFU Dither and Nod Patterns
        • • FS Dither and Nod Patterns
      • MOS Operations
        • • MOS and MSATA Observing Process
        • • Resources for MOS and MSATA Program Updates
        • MOS Operations - Catalogs and Images
          • • HST Finder Images and Catalogs
        • • MOS Operations - Pre-Imaging Using NIRCam
        • • MOS Operations - Confirmation Images
        • • MOS Operations - Slit Losses
        • • MOS Wavelength Ranges and Gaps
        • • MSA Shutter Operability
      • IFU Operations
        • • MSA Leakage Correction for IFU Observations
        • • IFU Wavelength Ranges and Gaps
      • FS Operations
        • • FS Wavelength Ranges and Gaps
      • BOTS Operations
        • • BOTS Wavelength Ranges and Gaps
      • • Auto-Cals
    • NIRSpec Predicted Performance
      • • Bright Source Limits
      • • Sensitivity
    • NIRSpec APT Templates
      • Multi-Object Spectroscopy APT Template
        • • MSA Planning Tool, MPT
        • MPT - Catalogs
          • • MPT Catalogs - Examples
        • • MPT - Planner
        • • MPT - Plans
        • • MPT - MOS and MSATA Program Updates
        • • MPT - Computational Performance
        • • Custom MOS Observations using the MSA Configuration Editor
        • • Long Slit MOS Observations
        • • MSA Target Info File
        • • MPT - Parameter Space
        • • Observation Visualization Tool Help
      • • IFU Spectroscopy APT Template
      • • Fixed Slit Spectroscopy APT Template
      • • Bright Object Time-Series APT Template
      • • FS and IFU Mosaic APT Guide
    • NIRSpec Observing Strategies
      • • Background Recommended Strategies
      • • Bright Spoilers and the IFU Recommended Strategies
      • • Detector Recommended Strategies
      • • Dithering Recommended Strategies
      • • MOS Recommended Strategies
      • • MSA Leakage Subtraction Recommended Strategies
      • MSATA Reference Star Selection Recommended Strategies
        • • Predicting MSATA Reference Star Magnitudes
      • • Target Acquisition Recommended Strategies
    • NIRSpec Example Science Programs
      • NIRSpec IFU and MIRI MRS Observations of Cassiopeia A
        • • Step-by-Step ETC Guide
        • • Step-by-Step APT Guide
      • NIRSpec IFU and MIRI MRS Observations of SN1987A
        • • Step-by-Step ETC Guide
        • • Step-by-Step APT Guide
      • NIRSpec IFU and Fixed Slit Observations of Near-Earth Asteroids
        • • Step-by-Step ETC Guide
        • • Step-by-Step APT Guide
      • NIRSpec BOTS Observations of WASP-79b
        • • Step-by-Step ETC Guide
        • • Step-by-Step APT Guide
      • NIRSpec MOS Deep Extragalactic Survey
        • • Step-by-Step ETC Guide
        • • Step-by-Step APT Guide
    • • Features and Caveats

Proposal Preparation

  • • Getting Started with JWST Proposing

  • • Understanding Exposure Times

  • JWST General Support
    • Background Model
      • • Background Variability
      • • Background-Limited Observations
    • • Mosaic Overview
    • • Dithering Overview
    • Observing Overheads and Time Accounting Overview
      • • Observing Overheads Summary
      • • Slew Times and Overheads
      • • Instrument Overheads
    • • Data Volume and Data Excess

  • Methods and Roadmaps
    • Imaging
      • • Imaging Roadmap
    • Slit Spectroscopy
      • • Slit Spectroscopy Roadmap
    • Wide Field Slitless Spectroscopy
      • • Wide Field Slitless Spectroscopy Roadmap
    • High-Contrast Imaging
      • • HCI Roadmap
      • HCI Proposal Planning
        • • HCI ETC Instructions
        • • HCI APT Instructions
        • • HCI Small Grid Dithers
        • HCI Coronagraphic Sequences
          • • HCI APT Coronagraphic Sequence Examples
        • • HCI PSF Reference Stars
      • HCI Technical Information
        • • HCI Optics
        • • HCI Inner Working Angle
        • HCI Contrast Considerations
          • • HCI MIRI Limiting Contrast
          • • HCI NIRCam Limiting Contrast
          • • HCI NIRISS Limiting Contrast
    • Integral Field Spectroscopy
      • • IFU Roadmap
      • • IFU Terminology
    • Multi-Object Spectroscopy
      • • MOS Roadmap
      • • Comparing Multi-Object Spectroscopy with different Instruments
    • Time-Series Observations
      • • Time-Series Observations Roadmap
      • • TSO Noise Sources
      • • Time-Series Observations TSO Saturation
      • • Time-Series Observations Known Issues
    • Moving Target Observations
      • • MT Roadmap
      • MT Proposal Planning
        • • MT Acquisition and Tracking
        • • MT ETC Instructions
        • MT APT Instructions
          • • Creating Solar System Targets in APT
          • • Creating Solar System Observations in APT
          • • Visualizing Dithers of a Solar System Observation in APT
        • • MT Observing Strategies
      • MT Technical Information
        • • MT Overheads
        • • MT Field of Regard
        • • MT Ephemerides
        • • Moving Target Scattered Light Considerations
        • • MT Calibration and Processing
        • • MT Policies
    • Parallel Observations
      • • Coordinated Parallels Roadmap
      • Coordinated Parallels Custom Dithers
        • • Coordinated Parallel Dither Tables
    • Target of Opportunity Observations
      • • ToO Roadmap

  • • Example Science Programs

  • • Recommended Observing Strategies

  • Observation Duplication Checking
    • • Identifying Potential Duplicate Observations

Proposing Tools

  • Exposure Time Calculator
    • • New User Guide
    • Scenes and Sources Page Overview
      • • Defining a New Source
      • • Defining an Extended Source
      • • Point Spread Functions
      • • Defining a New Scene
      • • Source Spectral Energy Distributions
      • • User Supplied Spectra
    • Calculations Page Overview
      • • Creating a New Calculation
      • • Backgrounds
      • • Wavelength of Interest
      • • Batch Expansions
      • Strategies
        • • Imaging Aperture Photometry
        • • Aperture Spectral Extraction
        • • MSA Full Shutter Extraction
        • • IFU Nod in Scene and IFU Nod off Scene
        • • SOSS Spectral Extraction
        • • Coronagraphy
        • • MSA Aperture Photometry
        • • MSA Shutter Photometry
        • • Target Acquisition Strategy
      • Target Acquisition
        • • MIRI
        • • NIRCam
        • • NIRISS
        • • NIRSpec
      • • Cosmic Ray Implementation
      • • Saturation
      • • Residual Flat Field Errors
      • • Time-Series Modes
      • • Readout Patterns
      • • NIRCam Coronagraphic Imaging
    • Outputs Overview
      • • Images and Plots
      • • Reports
      • • Downloads
      • • Integrated Emission Line SNR
      • • Time Definitions
    • Workbooks Overview
      • • Using the Sample Workbooks
      • • Sharing Workbooks
    • Pandeia Engine Tutorial
      • • Installation
      • • Quickstart
      • • Reference Data
      • • Configuration Dictionaries
      • • Order of Operations
      • • Reports
      • • Batch Mode
      • • Guides and Examples
      • • Backgrounds
      • • ETC Instrument Throughputs
    • • Video Tutorials

  • Astronomer's Proposal Tool
    • Workflow Articles
      • • Proposal Information
      • Targets
        • • Specifying Background Targets
        • • Bulk Target Ingest
      • • Observations
      • • Special Requirements
      • • Micrometeoroid Avoidance
      • • Target Acquisition
      • Visit Planner
        • • Visit Planner Constraints
      • • Smart Accounting
      • • Target Confirmation Charts
      • • Submitting Your Proposal
    • Additional Functionality
      • Mosaic Planning
        • • Mosaic Tile Splitting Activity
        • • Simple Mosaic Example
      • • Graphical Timeline
      • • Aladin Viewer
      • • Visit Splitting
      • • Coordinated Parallel Observations
      • • Pure Parallel Observations
      • • Export Files
    • Help
      • • Video Tutorials

  • • APT Observation Templates

  • ETC to APT Interface
    • • APT-ETC Connectivity

  • Other Tools
    • • Backgrounds Tool
    • Target Visibility Tools
      • • General Target Visibility Tool Help
      • • Moving Target Visibility Tool Help
      • • Coronagraphic Visibility Tool Help
    • • Interactive Sensitivity Tool
    • • MIRAGE Data Simulator
    • Exoplanet Observations Proposal Tools
      • • Groups and Integrations Tool
      • • Contamination Overlap Tool
      • • Forward Modeling Tool
      • • Limb Darkening Calculator Tool
      • • Phase Constraint Calculator Tool
      • • Exoplanet ETC, PandExo

  • • Proposal Planning Video Tutorials

Data

  • Getting Started with JWST Data
    • • How to Cite Data Processing Versions and Reference Files

  • Data Artifacts and Features
    • • Snowballs and Shower Artifacts

  • Understanding Data Files
    • • Data File Naming Conventions
    • • Data Structures
    • • Data Formats
    • • Data Associations
    • • Example Jupyter Notebooks - Exploring Data Products

  • Accessing Data
    • • Data Discovery
    • • Data Exploration
    • Data Retrieval
      • • Data Access Policy
      • • Programmatic Interfaces
    • • Archive User Support

  • Data Calibration Considerations
    • • Absolute Astrometric Calibration
    • • Absolute Flux Calibration
    • • Data Absolute Wavelength Calibration

  • Science Calibration Pipeline Overview
    • Operational Pipeline Build Information
      • • Operational Pipeline Build 8.0.1 Release Notes
      • • Operational Pipeline Build 8.0 Release Notes
      • • Operational Pipeline Build 8.1.1 Release Notes
      • • Operational Pipeline Build 8.1.2 Release Notes
      • • Operational Pipeline Build 9.0 Release Notes
    • • Science Calibration Pipeline Installation
    • • Running the Science Calibration Pipeline
    • • Example Jupyter Notebooks - Running the Pipeline
    • Stages of Data Processing
      • • calwebb_detector1
      • • calwebb_image2
      • • calwebb_spec2
      • • calwebb_ami3
      • • calwebb_coron3
      • • calwebb_image3
      • • calwebb_spec3
      • • calwebb_tso3
    • Science Calibration Pipeline Algorithm Documentation
      • • Algorithm Decisions
    • • Data Calibration Reference Files

  • Calibration Pipeline Caveats
    • • General Calibration Pipeline Caveats
    • • Aperture Masking Interferometry Pipeline Caveats
    • Time Series Observations Pipeline Caveats
      • • MIRI Time Series Observation Pipeline Caveats
      • • NIRCam Time Series Observation Pipeline Caveats
      • • NIRISS Time Series Observation Pipeline Caveats
      • • NIRSpec Time Series Observation Pipeline Caveats
    • • Wide Field Slitless Spectroscopy Pipeline Caveats
    • • MIRI MRS Pipeline Caveats
    • • MIRI LRS Pipeline Caveats
    • • NIRSpec IFU Pipeline Caveats
    • • NIRSpec MOS Pipeline Caveats
    • • Imaging Pipeline Caveats

  • Post-Pipeline Data Analysis
    • • Data Analysis Software Packages
    • • Data Analysis Visualization Tool
    • • Data Analysis Example Jupyter Notebooks

  • JWST Data Video Tutorials
    • • JWST Data Analysis Tool Video Tutorials


Menu Navigation

Welcome to the

JWST User Documentation Homepage


This website holds a comprehensive collection of documentation (known as JDox) on the JWST spacecraft and instruments, preparing observing proposals, and getting started on data analysis.

Breaking News

Latest JDox Updates
Video Tutorials
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About JWST

Hardware

Characteristics

General Support

Instruments

Mid Infrared Instrument

Near Infrared Camera

Near Infrared Imager and Slitless Spectrograph

Near Infrared Spectrograph

Proposing Tools

Exposure Time Calculator

Astronomer's Proposal Tool

Other Tools

For Proposers

Getting Started

Opportunities and Policies

Methods and Roadmaps

Recommended Observing Strategies

Example Science Programs

Duplication Checking

Data

Getting Started

Data Artifacts & Features

Understanding Data Files

Accessing Data

Data Calibration Considerations

Science Calibration Pipeline

Calibration Pipeline Caveats

Post-Pipeline Data Analysis

Data Support Videos



Additional Resources

JWST for Scientists Website

JWST Observer YouTube Channel

JWST Pocket Guide

Technical Reports

 "Read the Docs" (Data Calibration and Analysis)

Mikulski Archives





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The NASA James Webb Space Telescope, developed in partnership with ESA and CSA, is operated by AURA’s Space Telescope Science Institute.


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