The examination of exoplanets is a central aspect of the James Webb Space Telescope's scientific objectives. NASA invited Christopher Stark, the Deputy Observatory Project Scientist from NASA's Goddard Space Flight Center, to share insights on one of the methods Webb employs to investigate these dis
This artist’s conception shows the fully unfolded James Webb Space Telescope in space. Credit: Adriana Manrique Gutierrez, NASA Animator’s scientific objectives.invited Christopher Stark, the Deputy Observatory Project Scientist from NASA’s Goddard Space Flight Center, to share insights on one of the methods Webb employs to investigate these distant worlds., known as exoplanets. One way, in particular, is that Webb cansome of these planets.
Webb NIRCam and MIRI coronagraphic images of the exoplanet HIP 65426 b. The white star symbol marks the location of the star blocked out by the coronagraphs. The exoplanet does not display Webb’s hallmark six-spiked diffraction pattern due to the pupil plane coronagraph masks. Credit: ASA/ESA/CSA, A Carter , the ERS 1386 team, and A. Pagan .
Left: NIRCam’s coronagraphic image plane mask hardware, consisting of two wedge-shaped bars and three round spots . Right: MIRI’s four coronagraphic image plane mask hardware, consisting of three phase-shifting four quadrant phase masks and one round spot . Credit: NASA Illustration of NIRCam’s pupil plane mask/Lyot stop for the round image plane mask and the bar image plane mask . Transmission through the mask is limited to the white regions. Webb’s telescope pupil is shown in gray for comparison. Credit: Mao et al. 2011
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