Kavli Affiliate: Roberto Maiolino
| First 5 Authors: Jane Rigby, Marshall Perrin, Michael McElwain, Randy Kimble, Scott Friedman
| Summary:
This document characterizes the actual science performance of the James Webb
Space Telescope (JWST), as known on 12 July 2022. Following six months of
commissioning to prepare JWST for science operations, the observatory is now
fully capable of achieving the discoveries for which it was built. A key part
of commissioning activities was characterizing the on-orbit performance of the
observatory. Here we summarize how the performance of the spacecraft,
telescope, science instruments, and ground system differ from pre-launch
expectations. Almost across the board, the science performance of JWST is
better than expected. In most cases, JWST will go deeper faster than expected.
The telescope and instrument suite have demonstrated the sensitivity,
stability, image quality, and spectral range that are necessary to transform
our understanding of the cosmos through observations spanning from near-earth
asteroids to the most distant galaxies.
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