Thinking about your Cycle 4 proposal? STScI provides many online resources to assist with your JWST proposal preparation:

• The Cycle 4 Call for Proposals page contains the most complete and up-to-date information about proposing for time in this next cycle.
• JWST User Documentation (JDox) includes the latest instrument and pipeline updates.
• Our JWST Observer YouTube channel contains short video tutorials to help you get started with the Exposure Time Calculator (ETC), Astronomer’s Proposal Tool (APT), and data analysis.
• The new MAST JWST Duplicate Observation Search helps investigators determine if observations they plan to propose are likely to duplicate existing or planned observations.
• The JWST Interactive Sensitivity Tool (JIST) provides quick access to the basic sensitivities of the observatory.
• Other JWST software tools available to assist users as they investigate various proposal options for viability.
• The JWST Observer website provides a variety of resources relating to the JWST science ecosystem, including:
  • Current Approved Observing Programs by category
  • The Program Information tool for details on specific approved programs
  • JWebbinars materials on past data analysis topics and information on three upcoming sessions in support of Cycle 4
  • The Observing Schedules listing the planned short-term schedules 
  • The Science Publications page showing the latest refereed publications using JWST data
  • The Data Analysis Toolbox links to a variety of tools to ensure the astronomical community is able to download, analyze, and interpret JWST observations for their research.
  • Publicly available and documented tools developed by the community to support proposal planning, data processing, and analysis
  • Technical Documents, including the most recent instrument reports and commissioning papers

Make sure you subscribe to receive our science news via email on a range of topics such as proposal tools, data analysis resources, instrument updates, and proposal tips. The JWST Help Desk is available to help you with any specific questions.