[sam-2727]

1. What do you mean by simulator? The wavelength range/sensitivity of the various instruments has been simulated.

2. I think you use this tool to submit proposals: https://jwst-docs.stsci.edu/jwst-astronomers-proposal-tool-o...

3. They go through a panel to be peer-reviewed and compared to other proposals (similar to how grants are allocated by the government). I'm fairly certain this process also includes review by instrumentation experts. The process is double-blind and the first cycle has already been allocated: https://www.stsci.edu/jwst/science-execution/approved-progra....

[Kletiomdm]

A simulator which would show you what your selected configuration would return for an image.

Like if exposer time etc. Is correct.