Studying the Formation and Evolution of Planetary Systems with JWST: High Contrast Imaging with NIRCam and FGS/TFI

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Scientific paper

We present a summary of the capabilities available with NIRCam and the FGS/TFI instruments on the James Webb Space Telescope for high contrast imaging of circumstellar disks and planets. NIRCam is equipped with a number of coronagraphic imaging options and appropriate range of pupil stops for use with a suite of broad-, intermediate-, and narrow-band filters from 1-5 microns. FGS/TFI provides a tunable filter capability from 1.5-2.6 & 3.1-5.0 microns with coronagraphic spots placed in the camera field of view. We describe a range of representative programs that can be undertaken with JWST to study the formation and evolution of planetary systems including: 1) searches for planets around a volume-limited sample of nearby stars; 2) a complementary survey for planets around more distant young sun-like stars; 3) studies of circumstellar disk composition and structure as a function of age and stellar properties; and 4) prospects for spectroscopy of exoplanets through primary and secondary transit spectroscopy utilizing a slitless grism from 2.4-5.0 microns.

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