APT Observation Templates

JWST observations of a given target are planned in APT using observation templates for a given JWST instrument and observing mode. 

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Observations are specified in the Astronomers Proposal Tool, APT, by selecting a target and an instrument observing mode.  Each observing mode has a corresponding APT template that allows the user to specify parameters appropriate to that mode of operation.  A JWST observing proposal is a set of observations specified by filling out one or more of these templates in APT.   A proposal may call for multiple templates from any of the four JWST instruments, depending on the science goals of the program.  Separate observations must be specifiied when using different JWST instruments or observing modes for a given target, except when used in coordinated science parallels.



MIRI APT Templates



NIRCam APT Templates



NIRSpec APT Templates



NIRISS APT Templates



Creating Coordinated Science Parallel Observations

Coordinated parallel observations can be specified in APT for the combinations of templates mentioned below.  Such observations are defined within the same APT proposal as the primary observations. More information about specifying coordinated parallel observations is provided in the JWST APT Coordinated Parallel Observations article. 

  • NIRCam Imaging + MIRI Imaging (and vice versa)
  • NIRCam Imaging + NIRISS Imaging
  • NIRCam Imaging + NIRISS WFSS (and vice versa)
  • MIRI Imaging + NIRISS WFSS (and vice versa)
  • NIRSpec MOS + NIRCam Imaging




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