by Joseph Long

On November 20, 2015, Marshall Perrin and I released version 0.4.0 of the WebbPSF software package, making it a valuable tool for preparatory studies for the WFIRST mission.

In brief: WebbPSF, the astronomer’s PSF simulation tool for JWST, now supports the WFIRST WFI (Wide Field Instrument). Furthermore, it can apply field dependent wavefront aberrations across the (immense) WFI field of view. There is also a new Jupyter Notebook-based graphical interface for computing PSFs with various input spectra and field positions, for users that would rather not script calculations themselves.

Here are some places you can learn more about this software:

I’ve also created printed materials and given some presentations on this functionality:

Note: these are the final PDFs as presented or distributed. Certain things (particularly code samples) might have changed in the meantime.

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Background image of the Carina nebula by NASA, ESA, N. Smith (University of California, Berkeley), and The Hubble Heritage Team (STScI/AURA)